6,982 extensions found in Web Development

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Replace Google CDN
将 Google CDN 替换为国内镜像
Rated 4.9 out of 5
justjavac
3,067 users
SEO META 1 COPY
This is an extension that allows you to easily check SEO-related meta information and copy it with one click.
Rated 5 out of 5
macha
3,063 users
Referer Control
Control the HTTP Referer on a per-site basis.
Rated 3 out of 5
Keepa.com
3,033 users
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
Rated 4.5 out of 5
curtispf
3,023 users
Basic JSON Formatter
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
Rated 4.6 out of 5
Dr. McKay
3,018 users
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
Rated 4 out of 5
Joue
3,003 users
REST Client APIsHub
A Modern and simple API testing tool!
Rated 3.7 out of 5
Abdul Qadir
2,960 users
FirePHP
Log from PHP to a devtools panel.
Rated 4.6 out of 5
cadorn
2,955 users
Google Analytics Debugger
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript. P.S: this add-on is migrated from Chrome store.
Rated 3.4 out of 5
Wildsky
2,940 users
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
Rated 4.1 out of 5
Philip Lawrence
2,918 users
Jazz-MIDI
MIDI support for browsers
Rated 4.2 out of 5
Jazz-Soft
2,814 users
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
Rated 4.6 out of 5
webhint
2,722 users
ICPBravoAccess
ICPBravo Access ICPBrasil and General PKI Extension.
Rated 3.9 out of 5
Scytl
2,640 users
Merge Windows
Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal.
Rated 4.6 out of 5
Jonathan Kingston
2,636 users
Screenshot Full Page
Take screenshot of entire webpage with single click.
Rated 3.1 out of 5
XtreamDev
2,634 users
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
Rated 4.2 out of 5
larissa9839
2,626 users
dataslayer
Debug and test tag management (Google Tag Manager, Adobe Launch / DTM, Tealium) and analytics (Google Analytics, Adobe Analytics) implementations from within Developer Tools.
Rated 5 out of 5
Sean Adams
2,589 users
Easy Auto Refresh
Auto-refresh and auto-reload pages after any number of seconds.
Rated 3.2 out of 5
ksoft
2,577 users
Clockwork
php dev tools integrated to your browser
Rated 5 out of 5
its
2,566 users
Pesticide
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.
Rated 4.9 out of 5
Six
2,539 users
VisBug
Open source browser design tools
Rated 5 out of 5
argyleink
2,527 users
Wizdler
Parses the WSDL files and generates SOAP messages for you.
Rated 4.3 out of 5
Peter Prikryl
2,513 users
SEO Analysis & Website Review by WooRank
Instant SEO analysis and website reviews for SEO, mobile, usability and social media. The freshest data when and where you want it.
Rated 4.2 out of 5
WooRank
2,507 users
FB unseen
Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.
Rated 3.8 out of 5
Horizonsoft
2,501 users
Chat GPT for Google
See the ChatGPT responses right next to your search engine results. https://extensionchatgpt.com/ See our youtube guide: https://www.youtube.com/watch?v=p9it2NCB3_c
Rated 2.8 out of 5
Chat GPT for Google
2,492 users