543 extensions found in Web Development

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Easy DNS lookup
Utility to do DNS lookups directly to DNS APIs and display the response in the addon.
Rated 4 out of 5
wesinator
253 users
Website Technology Detector
Detects technologies used in websites
Rated 5 out of 5
Sumalya Chatterjee
244 users
SnapOSINT
A snappy OSINT (open-source intelligence) searching tool that turns your search bar into a dedicated OSINT engine. This add-on is designed to save you time during your osint investigation.
Rated 5 out of 5
m4ny0p
239 users
all-in-one
Facility for providing suite of tools for handling web components e.g. standard formats HTML, RSS, M3U8, and more.
Rated 4 out of 5
Firefox user 15314155
238 users
SEO Website Scanner: Meta, Headings, etc.
Scans a page for basic SEO meta information and headings.
Rated 5 out of 5
SEO Website Scanner
230 users
Easy QR
Easy QR code, the best QR extension. Generate offline QR Code with a simple click!
Rated 3 out of 5
iToolkit
214 users
V2Ray Link Converter
V2Ray Link Converter
Rated 5 out of 5
Valas
214 users
OptiSearch
Affichez les réponses ChatGPT, StackOverflow, Wikipedia, etc. à côté des résultats de recherche Google !
Rated 4.1 out of 5
OptiSearch
212 users
Simple Modify Headers - Extended
Rewrites HTTP request/response headers based on a rules table.
Rated 5 out of 5
Warren Bank
207 users
Google-Youtube Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
Rated 5 out of 5
csalaki
207 users
cBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
Rated 5 out of 5
Ariel
196 users
Right Click
Right click menu for specific actions
Rated 3 out of 5
cuhela
192 users
ChatGPT - Auto RTL Checker
افزونه فعلی دچار یک انقلاب شده است؛ اکنون به‌صورت سوپر گلوبال عمل می‌کند، متون فارسی را خودکارراستچین میکند . RTLChecker has been radically upgraded: it is now super global, automatically sets RTL for Persian text.
Rated 5 out of 5
Abolfazl Mousavi
175 users
Febbox UI Token Grabber - willow
Gets the ui token cookie from febbox.com to use on willow
There are no ratings yet
Thingfoil
175 users
Local Storage Manager
Export and import local storage.
Rated 5 out of 5
YL
174 users
PinVault Pro – Pinterest Bulk Downloader
Professional Pinterest bulk downloader with AI auto-scroll, dual-interface sync, and smart vault organization for creators.
Rated 5 out of 5
Yogeshwar Kumar
172 users
Behind the Curtain
A Firefox extension supposed to help you find the backend IP-Address of a website proxied by Cloudflare. Also allows you to gather a lot more information about the website, like querying info from crt.sh, Shodan and more.
Rated 5 out of 5
DAMcraft
167 users
Meme Magic Maker v3
This extension adds CORS headers to resources, expanding memesyndicate/zip's functionality while also improving overall website speed by removing the need for Flash Player and other bulky frameworks
Rated 1 out of 5
StevensNJD4
161 users
Bluesky - Cleanup Usernames
cleans all usernames of their extention on Bluesky
Rated 5 out of 5
Greendata
157 users
CRX下载器
CRX下载器，Chrome/Edge插件下载，可下载微软和谷歌扩展商店插件
Rated 3.3 out of 5
waahah
154 users
Inspector
FOSS extension to read and inspect all cookies and local storage.
Rated 5 out of 5
MLOP
154 users
Disable CSP and CORS
Disables CSP and CORS for every website.
Rated 3.3 out of 5
nas927
154 users
Stay for Browser
Userscript manager compatible with Tampermonkey, Violentmonkey. Dark mode for every website. Stay synched on Chrome/Safari/Firefox.
Rated 5 out of 5
Stay Browser
150 users
Show-HTTP-Headers
Show HTTP headers in each tab.
Rated 4.5 out of 5
Warren Bank
150 users
DNSinfo.xyz IP/Domain Information
A web extension for viewing the IP address, reverse DNS, Geolocation, ASN and DNSSEC status of the currently active tab.
Rated 4.8 out of 5
Justus-D
146 users