Many thanks to the Mozilla community as a popular browser that has dedicated itself to the internet revolution.
Yes, a revolution. I think, the Mozilla community has been a large extension library that helps a lot of web and application development. With Firefox add-ons, make your workflow be faster and more productive.
In this post, I would like to invite you to see it. Here are some Firefox add-ons that I have collected according to your needs as a web application developer, designer, freelance writer, photographer, internet marketer, blogger or site owner.
Firefox Addons for Writers
1. Word Count Plus : Counts number of words in selected text. Can add the count to a running total.
2. ScrapBook : helps you to save Web pages and easily manage collections.
3. Resizeable Textarea : lets you resize most of those textareas.
4. AutoCopy: Select text and it's automatically copied to the clipboard. Also pastes on middle click.
5. Copy Plain Text : Copies text without formatting.
6. Fox Splitter : This splits the content area of the browser window as you like. It will help you in various cases. For example, to compare multiple webpages, to show a calendar always, and so on.
7. Zotero : Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.
Firefox Addons for bloggers
8. ScribeFire Classic: ScribeFire is a full-featured blog editor that integrates with your browser and lets you easily post to your blog. You can drag and drop formatted text from pages you are browsing, take notes, upload images, and post to multiple blogs.
9. Copy as HTML Link : Creates an HTML link to the current page using the selected text and copies it (into the clipboard) for pasting into other applications.
10. Create short URLs : Create a short URL from any website.
11. LinkChecker : Check the validity of links on any webpage.
12. MetaTags : This sidebar displays page meta-information (metatags, links, etc.) Has automated search engine submission menu. Features include: Watches currently loaded Web page and automatically updates the sidebar. Displays metatags, links, language, base and base folder of the document, MIME type and charset, DTD, root tag, and XML namespace, last modification time, referrer, etc.
13. SearchStatus : Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
14. Read It Later : Save pages to read later with just one click. When you have time, access your reading list from any computer or phone, even without an internet connection.
15. All-in-One Sidebar : AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
16. ReminderFox : ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
17. FireFTP : FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
18. WiseStamp : WiseStamp’s vision is to build an Email Apps Platform that enables users to utilize their emails with social, productive and engaging Email Apps.
19. Zemanta : Zemanta helps you enhance your blog posts with relevant images, articles, links or tags. All with one simple click! Works with WordPress, Blogger, Tumblr and others.
20. Clipmarks : Clipmarks lets you clip and share specific parts of articles, blog posts or anything else you read on the web.
21. Autofill Forms : Autofill Forms enables you to fill out web forms with one click or a keyboard shortcut.
22. Dummy Lipsum : Generate "Lorem Ipsum" dummy text.
23. NoScript : Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
24. URL Fixer : URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.
25. Adblock Plus : Adblock Plus allows you to regain control of the internet and view the web the way you want to.
26. infoRSS : Displays RSS, Atom, Twitter, parsed HTML and NNTP feed in a scrolling area in the status bar. Compatible with podcasting RSS which can be downloaded directly. It's also a good Google email notifier.
27. Cleeki - Instant Search : Select any text, and you can search/share/publish immediately and preview results in the same page. Support Google, YouTube, Amazon, FaceBook, Digg, etc. and you can add your own channels.
28. FeedBurner Subscribers : FeedBurner Subscribers is a handy add-on for monitoring your RSS readers and hits to your RSS feed.
29. FastestFox : Save time by speeding up repetitive tasks. Get faster, parallelized downloads, see definitions, auto-load the next page, improve searching, and more. FastestFox will dramatically enhance your productivity.
30. FireShot : FireShot creates screenshots of web pages entirely.
31. Feedly : Feed your mind. A magazine-like start page based on the best content of your favorite websites.
Firefox Addons for SEO ( Search Engine Optimization )
32. SeoQuake: Seoquake is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. Seoquake allows to investigate many important SEO parameters.
33. SEO Doctor : SEO Doctor allows easy SEO diagnosis and problem solving for webmasters.
34. Site Information Tool : Provides information about a webpage (or website) including rankings, domain registration data (whois), IP information, server response and page data, thumbnail and more.
35. Foxy SEO Tool : Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.
36. SEO Profesional Toolbar : SEO Profesional Toolbar offers many SEO-related tools in one place. Display PageRank, S-Rank and the number of backlinks for visited pages. Stores the history of ranks for selected sites. Highlight words, links, view number of words and more.
37. SEO WooRank : SEO WooRank is en extension that provides a very deep SEO & Website Analysis report for any given website. When you click on the SEO WooRank icon, we will generate the SEO report for your website.
38. SearchStatus : Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
39. SEOpen : Provides quick access to some web-based tools to help with search engine optimization. Quickly check inbound links, PageRank, http headers, and much more. Right-click on an open area of a web page, or use the included toolbar.
40. KGen : KGen (Keyword Generator) allows you to see what keywords are strong on visited web pages for search engines.
41. Niche Watch Tool: Provides you the technical information required to beat your competitor websites in serps.It gives you backlinks number, indexed pages, keyword occurences on the page, page rank, all in anchor, all in title and all in text rank for both domain and webpage information.
42. Alexa Sparky : Provides you with Alexa data about the sites you visit without interrupting your browsing.
Firefox Addons for Photographers
43. Canvas : You can add any photo from your PC, or any image from the web, to your browser. It's an easy way to create a personalized browser.
44. FoxSaver : FoxSaver will turn your idle FireFox into a screen saver and photo viewer.
45. Cooliris : The fastest and most stunning way to browse photos and videos from the Web or your desktop. Effortlessly scroll an infinite "3D Wall" of content from Facebook, Google, YouTube, Flickr, and more.
46. ColorSuckr : Extracts colors from images and builds color schemes.
47. Fotofox : Drag, drop and arrange pictures adding photo titles, and create albums by multi-selecting photos, and then upload to one of a selection of online photo services - all of this without interrupting your Internet browsing.
48. GMiF : GMiF is an third party add-on of Flickr. It will embed a Google Maps in Flickr photo page and display where the photo was taken on the maps, if the photo is geotagged.
49. Lexmark Toolbar : The Lexmark Toolbar improves Web printing by removing unwanted stuff, saving you ink and paper.
50. Photobucket Uploader : This Photobucket Firefox addon allows you to right-click on images that appear on any web page and upload them directly to your Photobucket account. It also makes interacting with your Photobucket account a lot quicker and easier.
51. zoomFox : Adds a context menu item for viewing images using advanced controls: The image is opened in a new tab which also contains a thumbnail view of the image used to scroll around more easily, zoom controls with various zoom levels etc.
52. ImageTweak : Allows you to zoom, rotate and display images/videos against a custom background.
53. Universal Uploader : This extension allows to upload/download files from your favorite websites using a simple interface.
54. AutoSlideshow : With one single click AutoSlideshow generates an image slideshow within Firefox. The slideshow contains all images on the current page or images linked to from the current page.
55. ImageBot : Best Firefox Image Uploader (integrates Imgur, Photobucket, and ImageShack). Supports logging in with your account, synchronization of pre-existing images, uploading of clipboard, dynamic template system for copying image(s) BBCode or HTML source code.
56. TwitrPix Express: Instantly share any photo from any web site on Twitter by right-clicking on the photo and clicking "Share photo on Twitter using TwitrPix" -- while you surf and without having to leave the site you are on.
57. ZoomInto : Extends Firefox to Zoom, Edit, Create, Save & Share jpg web images (PC & Mac).
Firefox Addons for Web Developers
58. Web Developer : The Web Developer extension adds various web developer tools to a browser.
59. Firebug : Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
60. Greasemonkey : Allows you to customize the way a web page displays or behaves, by using small bits of JavaScript.
61. YSlow : YSlow analyzes web pages and why they're slow based on Yahoo!'s rules for high performance web sites.
63. Total Validator : Perform many different validations in one go. This multiple validator works with external, internal, or local web pages using a local copy of the desktop tool.
65. PageDiff : Pagediff is a simple page compare application. It helps web developers and designers to see HTML-code(text) differences between web pages.
66. Aardvark : Powerful and user-friendly selector utility for selecting elements and doing various actions on them. It can be used for cleaning up a page prior to printing it (by removing and isolating elements), for making the page more readable, and (most appreciated by web developers), for analyzing the structure of a page.
67. JSView : JSView gives you a quick way to view external files linked in a website such as CSS and JavaScript without the need to dig through the site source code.
68. JavaScript Debugger : Aims to provide a powerful JavaScript debugging environment for Mozilla based browsers.
69. Poster : A developer tool for interacting with web services and other web resources that lets you make HTTP requests, set the entity body, and content type. This allows you to interact with web services and inspect the results.
70. FirePHP : FirePHP enables you to log to your Firebug Console using a simple PHP method call.
71. Platypus : Platypus is a Firefox extension which lets you modify a Web page from your browser -- "What You See Is What You Get" -- and then save those changes as a Greasemonkey script so that they'll be repeated the next time you visit the page.
72. X-Ray : See the tags on a page without viewing the sourcecode.
73. HTML Validator : HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon.
74. View Dependencies : View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.
75. Live HTTP Headers : View HTTP headers of a page and while browsing.
78. RSS validator: Validates a page using the W3C RSS Validator. Once you open the RSS feed into the browser window, you can right click on the page or goto the Tools menu and validate the RSS feed.
79. Server Switcher : Server Switcher is a navigational help tool for web developers. It allows you to easily switch between sites on your development (hosting the temporary version you are currently working on) and live servers, so that you can immediately see the differences.
80. FireQuery: FireQuery is a collection of Firebug enhancements for jQuery
81. FlashFirebug : Debug ANY AS3 SWF files on the web. Edit properties and inspect elements. Redirect errors, warnings and traces to the extension. Run AS3 code and transform objects on the fly. This extension requires Firebug extension and Flash Player Debugger.
82. CSS Usage : Firebug extension to view which CSS rules are actually used.
83. Inline Code Finder : Finds HTML elements with inline JavaScript events, inline styling and javascript: links.
84. Console² : Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
85. Dust-Me Selectors : a development tool that scans HTML pages to find unused CSS selectors.
86. CodeBurner for Firefox : CodeBurner for Firefox provides searchable reference information and code examples for HTML and CSS. It's a standalone version of the original CodeBurner for Firebug, but with an independent interface, and more dedicated search tools.
87. CSS Reloader : CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.
88. iMacros for Firefox : With iMacros, you can quickly and easily fill out web forms, remember passwords, create a webmail notifier, download information from other sites, scrape the Web (get data from multiple sites), and more.
89. JavaScript Deobfuscator : This add-on will show you what JavaScript gets to run on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Tools menu and watch the scripts being compiled/executed.
90. HttpFox : HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers.
91. Tamper Data : Use Tamper Data to view and modify HTTP/HTTPS headers and post parameters.
92. DOM Inspector : DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
93. XSS Me : Cross-Site Scripting (XSS) is a common flaw found in todays web applications. XSS flaws can cause serious damage to a web application. Detecting XSS vulnerabilities early in the development process will help protect a web application from unnecessary flaws. XSS-Me is the Exploit-Me tool used to test for reflected XSS vulnerabilities.
94. Regular Expressions Tester : Testing tool for regular expressions with color highlighting (including submatches) and helpers for creating expressions.
Firefox Addons for Web Designers
95. Font Finder : allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
96. ColorZilla : With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program.
97. MeasureIt : Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
98. Pixel Perfect : Pixel Perfect is a Firefox/Firebug extension that allows web developers and designers to easily overlay a web composition over top of the developed HTML.
99. GridFox : Draws a grid on top of a website. This is useful for checking designs that are supposed to follow a grid-based layout.
100. Rainbow Color Tools : Color picker and eyedropper + saving colors and trying out colors with drag and drop.
101. PixelZoomer : PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
102. Pencil : Pencil is a free and opensource tool for making diagrams and GUI prototyping that everyone can use.
103. Accessibar : Accessibility toolbar enabling easy manipulation of web page display and text-to-speech output.
104. Firepicker : Adds a small color picker dialog when editing a CSS rule in Firebug. The addon scans for values that can be parsed as CSS colors (#abc, rgb(1,2,3), blue, red etc.) and displays them in a drop-down list right below the firebug's CSS editor box. Clicking on the color value in the drop-down brings up a color picker dialog.
105. Context Font : Displays the size (in px), font-family (the one chosen by Firefox from the font-family listing), font-style, font-weight, and font-variant of selected text in the context menu. Also displays the downloadable font files for the font if specified by a @font-face rule.
Firefox Addons for Graphic Designers
106. Palette Grabber : Creates a color palette for Photoshop, Paint Shop Pro, GIMP, Flash, Fireworks, Paint.NET, or OS X based on the current page.
107. FoxGuide : Display horizontal and vertical floating guides, exactly the way you use it in photoshop. Helps improving layout, placing elements in proper grids, laying out elements symmetrically and structure a design.
108. Open With Photoshop : Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
109. Ank Pixiv Tool : An extension which supports one-click downloads of illustrations from Pixiv. It's able to choose automatically appropriate file names.
110. Pixlr Grabber : Grabbing screens and pulling images from the web just got a bit easier. With the Pixlr Grabber add-on, you can copy, save, share or even edit your final grabs - including any image or background - with just a right-click.
Hopefully these collections be useful for you.
Glad to hear your response. Please if anyone wants to add. Thank you.
Happy freelancing, keep working, keep your health, and good luck for all! :)
image by socialeyezer
Yes, a revolution. I think, the Mozilla community has been a large extension library that helps a lot of web and application development. With Firefox add-ons, make your workflow be faster and more productive.
In this post, I would like to invite you to see it. Here are some Firefox add-ons that I have collected according to your needs as a web application developer, designer, freelance writer, photographer, internet marketer, blogger or site owner.
Firefox Addons for Writers
1. Word Count Plus : Counts number of words in selected text. Can add the count to a running total.
2. ScrapBook : helps you to save Web pages and easily manage collections.
3. Resizeable Textarea : lets you resize most of those textareas.
4. AutoCopy: Select text and it's automatically copied to the clipboard. Also pastes on middle click.
5. Copy Plain Text : Copies text without formatting.
6. Fox Splitter : This splits the content area of the browser window as you like. It will help you in various cases. For example, to compare multiple webpages, to show a calendar always, and so on.
7. Zotero : Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.
Firefox Addons for bloggers
8. ScribeFire Classic: ScribeFire is a full-featured blog editor that integrates with your browser and lets you easily post to your blog. You can drag and drop formatted text from pages you are browsing, take notes, upload images, and post to multiple blogs.
9. Copy as HTML Link : Creates an HTML link to the current page using the selected text and copies it (into the clipboard) for pasting into other applications.
10. Create short URLs : Create a short URL from any website.
11. LinkChecker : Check the validity of links on any webpage.
12. MetaTags : This sidebar displays page meta-information (metatags, links, etc.) Has automated search engine submission menu. Features include: Watches currently loaded Web page and automatically updates the sidebar. Displays metatags, links, language, base and base folder of the document, MIME type and charset, DTD, root tag, and XML namespace, last modification time, referrer, etc.
13. SearchStatus : Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
14. Read It Later : Save pages to read later with just one click. When you have time, access your reading list from any computer or phone, even without an internet connection.
15. All-in-One Sidebar : AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
16. ReminderFox : ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
17. FireFTP : FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
18. WiseStamp : WiseStamp’s vision is to build an Email Apps Platform that enables users to utilize their emails with social, productive and engaging Email Apps.
19. Zemanta : Zemanta helps you enhance your blog posts with relevant images, articles, links or tags. All with one simple click! Works with WordPress, Blogger, Tumblr and others.
20. Clipmarks : Clipmarks lets you clip and share specific parts of articles, blog posts or anything else you read on the web.
21. Autofill Forms : Autofill Forms enables you to fill out web forms with one click or a keyboard shortcut.
22. Dummy Lipsum : Generate "Lorem Ipsum" dummy text.
23. NoScript : Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
24. URL Fixer : URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.
25. Adblock Plus : Adblock Plus allows you to regain control of the internet and view the web the way you want to.
26. infoRSS : Displays RSS, Atom, Twitter, parsed HTML and NNTP feed in a scrolling area in the status bar. Compatible with podcasting RSS which can be downloaded directly. It's also a good Google email notifier.
27. Cleeki - Instant Search : Select any text, and you can search/share/publish immediately and preview results in the same page. Support Google, YouTube, Amazon, FaceBook, Digg, etc. and you can add your own channels.
28. FeedBurner Subscribers : FeedBurner Subscribers is a handy add-on for monitoring your RSS readers and hits to your RSS feed.
29. FastestFox : Save time by speeding up repetitive tasks. Get faster, parallelized downloads, see definitions, auto-load the next page, improve searching, and more. FastestFox will dramatically enhance your productivity.
30. FireShot : FireShot creates screenshots of web pages entirely.
31. Feedly : Feed your mind. A magazine-like start page based on the best content of your favorite websites.
Firefox Addons for SEO ( Search Engine Optimization )
32. SeoQuake: Seoquake is a Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO), social media optimization (SMO) and internet promotion. Seoquake allows to investigate many important SEO parameters.
33. SEO Doctor : SEO Doctor allows easy SEO diagnosis and problem solving for webmasters.
34. Site Information Tool : Provides information about a webpage (or website) including rankings, domain registration data (whois), IP information, server response and page data, thumbnail and more.
35. Foxy SEO Tool : Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.
36. SEO Profesional Toolbar : SEO Profesional Toolbar offers many SEO-related tools in one place. Display PageRank, S-Rank and the number of backlinks for visited pages. Stores the history of ranks for selected sites. Highlight words, links, view number of words and more.
37. SEO WooRank : SEO WooRank is en extension that provides a very deep SEO & Website Analysis report for any given website. When you click on the SEO WooRank icon, we will generate the SEO report for your website.
38. SearchStatus : Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
39. SEOpen : Provides quick access to some web-based tools to help with search engine optimization. Quickly check inbound links, PageRank, http headers, and much more. Right-click on an open area of a web page, or use the included toolbar.
40. KGen : KGen (Keyword Generator) allows you to see what keywords are strong on visited web pages for search engines.
41. Niche Watch Tool: Provides you the technical information required to beat your competitor websites in serps.It gives you backlinks number, indexed pages, keyword occurences on the page, page rank, all in anchor, all in title and all in text rank for both domain and webpage information.
42. Alexa Sparky : Provides you with Alexa data about the sites you visit without interrupting your browsing.
Firefox Addons for Photographers
43. Canvas : You can add any photo from your PC, or any image from the web, to your browser. It's an easy way to create a personalized browser.
44. FoxSaver : FoxSaver will turn your idle FireFox into a screen saver and photo viewer.
45. Cooliris : The fastest and most stunning way to browse photos and videos from the Web or your desktop. Effortlessly scroll an infinite "3D Wall" of content from Facebook, Google, YouTube, Flickr, and more.
46. ColorSuckr : Extracts colors from images and builds color schemes.
47. Fotofox : Drag, drop and arrange pictures adding photo titles, and create albums by multi-selecting photos, and then upload to one of a selection of online photo services - all of this without interrupting your Internet browsing.
48. GMiF : GMiF is an third party add-on of Flickr. It will embed a Google Maps in Flickr photo page and display where the photo was taken on the maps, if the photo is geotagged.
49. Lexmark Toolbar : The Lexmark Toolbar improves Web printing by removing unwanted stuff, saving you ink and paper.
50. Photobucket Uploader : This Photobucket Firefox addon allows you to right-click on images that appear on any web page and upload them directly to your Photobucket account. It also makes interacting with your Photobucket account a lot quicker and easier.
51. zoomFox : Adds a context menu item for viewing images using advanced controls: The image is opened in a new tab which also contains a thumbnail view of the image used to scroll around more easily, zoom controls with various zoom levels etc.
52. ImageTweak : Allows you to zoom, rotate and display images/videos against a custom background.
53. Universal Uploader : This extension allows to upload/download files from your favorite websites using a simple interface.
54. AutoSlideshow : With one single click AutoSlideshow generates an image slideshow within Firefox. The slideshow contains all images on the current page or images linked to from the current page.
55. ImageBot : Best Firefox Image Uploader (integrates Imgur, Photobucket, and ImageShack). Supports logging in with your account, synchronization of pre-existing images, uploading of clipboard, dynamic template system for copying image(s) BBCode or HTML source code.
56. TwitrPix Express: Instantly share any photo from any web site on Twitter by right-clicking on the photo and clicking "Share photo on Twitter using TwitrPix" -- while you surf and without having to leave the site you are on.
57. ZoomInto : Extends Firefox to Zoom, Edit, Create, Save & Share jpg web images (PC & Mac).
Firefox Addons for Web Developers
58. Web Developer : The Web Developer extension adds various web developer tools to a browser.
59. Firebug : Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
60. Greasemonkey : Allows you to customize the way a web page displays or behaves, by using small bits of JavaScript.
61. YSlow : YSlow analyzes web pages and why they're slow based on Yahoo!'s rules for high performance web sites.
63. Total Validator : Perform many different validations in one go. This multiple validator works with external, internal, or local web pages using a local copy of the desktop tool.
65. PageDiff : Pagediff is a simple page compare application. It helps web developers and designers to see HTML-code(text) differences between web pages.
66. Aardvark : Powerful and user-friendly selector utility for selecting elements and doing various actions on them. It can be used for cleaning up a page prior to printing it (by removing and isolating elements), for making the page more readable, and (most appreciated by web developers), for analyzing the structure of a page.
67. JSView : JSView gives you a quick way to view external files linked in a website such as CSS and JavaScript without the need to dig through the site source code.
68. JavaScript Debugger : Aims to provide a powerful JavaScript debugging environment for Mozilla based browsers.
69. Poster : A developer tool for interacting with web services and other web resources that lets you make HTTP requests, set the entity body, and content type. This allows you to interact with web services and inspect the results.
70. FirePHP : FirePHP enables you to log to your Firebug Console using a simple PHP method call.
71. Platypus : Platypus is a Firefox extension which lets you modify a Web page from your browser -- "What You See Is What You Get" -- and then save those changes as a Greasemonkey script so that they'll be repeated the next time you visit the page.
72. X-Ray : See the tags on a page without viewing the sourcecode.
73. HTML Validator : HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon.
74. View Dependencies : View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.
75. Live HTTP Headers : View HTTP headers of a page and while browsing.
78. RSS validator: Validates a page using the W3C RSS Validator. Once you open the RSS feed into the browser window, you can right click on the page or goto the Tools menu and validate the RSS feed.
79. Server Switcher : Server Switcher is a navigational help tool for web developers. It allows you to easily switch between sites on your development (hosting the temporary version you are currently working on) and live servers, so that you can immediately see the differences.
80. FireQuery: FireQuery is a collection of Firebug enhancements for jQuery
81. FlashFirebug : Debug ANY AS3 SWF files on the web. Edit properties and inspect elements. Redirect errors, warnings and traces to the extension. Run AS3 code and transform objects on the fly. This extension requires Firebug extension and Flash Player Debugger.
82. CSS Usage : Firebug extension to view which CSS rules are actually used.
83. Inline Code Finder : Finds HTML elements with inline JavaScript events, inline styling and javascript: links.
84. Console² : Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
85. Dust-Me Selectors : a development tool that scans HTML pages to find unused CSS selectors.
86. CodeBurner for Firefox : CodeBurner for Firefox provides searchable reference information and code examples for HTML and CSS. It's a standalone version of the original CodeBurner for Firebug, but with an independent interface, and more dedicated search tools.
87. CSS Reloader : CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.
88. iMacros for Firefox : With iMacros, you can quickly and easily fill out web forms, remember passwords, create a webmail notifier, download information from other sites, scrape the Web (get data from multiple sites), and more.
89. JavaScript Deobfuscator : This add-on will show you what JavaScript gets to run on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Tools menu and watch the scripts being compiled/executed.
90. HttpFox : HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers.
91. Tamper Data : Use Tamper Data to view and modify HTTP/HTTPS headers and post parameters.
92. DOM Inspector : DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
93. XSS Me : Cross-Site Scripting (XSS) is a common flaw found in todays web applications. XSS flaws can cause serious damage to a web application. Detecting XSS vulnerabilities early in the development process will help protect a web application from unnecessary flaws. XSS-Me is the Exploit-Me tool used to test for reflected XSS vulnerabilities.
94. Regular Expressions Tester : Testing tool for regular expressions with color highlighting (including submatches) and helpers for creating expressions.
Firefox Addons for Web Designers
95. Font Finder : allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
96. ColorZilla : With ColorZilla you can get a color reading from any point in your browser, quickly adjust this color and paste it into another program.
97. MeasureIt : Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
98. Pixel Perfect : Pixel Perfect is a Firefox/Firebug extension that allows web developers and designers to easily overlay a web composition over top of the developed HTML.
99. GridFox : Draws a grid on top of a website. This is useful for checking designs that are supposed to follow a grid-based layout.
100. Rainbow Color Tools : Color picker and eyedropper + saving colors and trying out colors with drag and drop.
101. PixelZoomer : PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
102. Pencil : Pencil is a free and opensource tool for making diagrams and GUI prototyping that everyone can use.
103. Accessibar : Accessibility toolbar enabling easy manipulation of web page display and text-to-speech output.
104. Firepicker : Adds a small color picker dialog when editing a CSS rule in Firebug. The addon scans for values that can be parsed as CSS colors (#abc, rgb(1,2,3), blue, red etc.) and displays them in a drop-down list right below the firebug's CSS editor box. Clicking on the color value in the drop-down brings up a color picker dialog.
105. Context Font : Displays the size (in px), font-family (the one chosen by Firefox from the font-family listing), font-style, font-weight, and font-variant of selected text in the context menu. Also displays the downloadable font files for the font if specified by a @font-face rule.
Firefox Addons for Graphic Designers
106. Palette Grabber : Creates a color palette for Photoshop, Paint Shop Pro, GIMP, Flash, Fireworks, Paint.NET, or OS X based on the current page.
107. FoxGuide : Display horizontal and vertical floating guides, exactly the way you use it in photoshop. Helps improving layout, placing elements in proper grids, laying out elements symmetrically and structure a design.
108. Open With Photoshop : Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
109. Ank Pixiv Tool : An extension which supports one-click downloads of illustrations from Pixiv. It's able to choose automatically appropriate file names.
110. Pixlr Grabber : Grabbing screens and pulling images from the web just got a bit easier. With the Pixlr Grabber add-on, you can copy, save, share or even edit your final grabs - including any image or background - with just a right-click.
Hopefully these collections be useful for you.
Glad to hear your response. Please if anyone wants to add. Thank you.
Happy freelancing, keep working, keep your health, and good luck for all! :)
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