Developer Tools
23,534 extensions
Signal: Report bugs & feedback with context developers love
Record and share detailed bug reports: console logs, network traffic, storage state, environment data, and screencasts.
AI PR Reviewer
AI-powered Pull Request reviewer using GPT-4 and Claude
FuseBase Troubleshooter: Emotional Edition — Bug Reports With Feelings
How you feel matters — and so do your bug reports. One-click screenshots, console logs, network & repro steps for dev, QA & product.
MD5 & Laravel Bcrypt Hasher
Convert strings to MD5 and Laravel Bcrypt hash
Site Alarm подсветка элементов
Расширение для подсветки DOM элементов из отчёта сервиса Site Alarm в один клик.
Markdown Extractor
Extract main content from web pages and convert to clean markdown
Поиск по выделенному тексту
Быстрый поиск выделенного текста в любой поисковой системе всего в пару кликов с помощью этого быстрого расширения для Chrome.
JupyLens - Jupyter Notebook Viewer & Editor
Open, view, and edit Jupyter/IPython Notebook (.ipynb) files directly in your browser.
HTTP Request Interceptor
拦截和修改 HTTP 请求,方便前端调试
Google Tag Manager Internal Traffic Filter
Automatically mark internal traffic in Google Tag Manager and GA4 to keep analytics data clean.
Custom Script Injector
Inject custom CSS and JavaScript into websites.
Markdown Clipper
Convert selected text to Markdown. Edit, preview, and export your md files easily.
synthux
AI-powered UX audit in your browser. Evaluate any page with synthetic user profiles and Nielsen's 10 heuristics using local AI.
Bijoy to Unicode Converter
Convert Bijoy/ANSI encoded Bengali text to Unicode. Select text and right-click to convert, or use the popup.
CacheCat
View, edit, and manage website storage. Supports Cookies, Local Storage, Session Storage, IndexedDB, and Cache Storage.
Small Tester - A No-Code AI Test Automation Tool
AI Test Automation Tool, I will run manual test cases for you
Design Overlay Tool
Overlay design mockups on web pages for pixel-perfect implementation verification
Gmail HTML Insert
Adds an Insert HTML button next to Gmail's Formatting options button in the compose toolbar.
Claude Usage Tracker
Real-time Claude.ai usage tracking — session limits, weekly caps, cost estimates, burn rate predictions & smart alerts.
Hreflang Checker - Lingrix
Audit hreflang tags, canonical signals, reciprocal links, and alternate URL health from your browser.
QA Capture
Session logging & screenshots
GitRev Game
Gamify your GitHub experience. Level up , collect skins, climb the leaderboards and more!
Cert Tool
A comprehensive tool for certificates: Key Pair Generation, CSR Generation, Public Key Derivation, and Inspection.
Show Image Sizes
Show the sizes of all images on the current website. Also show if they have the right pixel sizes compared to what is displayed.
MarkSyncr
Sync your bookmarks across browsers using GitHub, Dropbox, Google Drive, or MarkSyncr Cloud
JSON to Mermaid Diagram Generator (ToolsHref)
Convert JSON to Mermaid ER Diagrams and Mind Maps instantly.
Azure DevOps Board Item Opener
Opens a new tab with a URL based on a number input
Podium Developer Tools
Helps helps you test and debug your Podium applications
Responsive Tester Extension
Test website responsiveness across devices
Firebase LocalStorage DB Exporter
Exports firebaseLocalStorage entries from IndexedDB to clipboard as JSON.
Local Storage to Clipboard
Copies a value from the active page's local storage to the clipboard.
Rails Spotlight
Rails spotlight is a tool designed for Ruby on Rails developers
A/B Testing Tracker
Track active A/B experiments and goal conversions for Convert, Optimizely, and VWO.
Resize Window – Quick & Easy Window Resizing
Simple extension to change window width
Refund % Calculator
Calculate refund percentage from Walmart-style data tables
SetIPHeader-MV3
Inject IP headers to specific API requests
RecordKeeper
View DNS records for the current domain
Agentforce Session Debugger
Debug Agentforce messaging sessions in real-time — view conversation messages, LLM reasoning, tokens, and session traces.
Markdown New Tab
A new tab page that acts as a markdown editor for notes.
CSS class finder
Upload or download a list of CSS classes and scan the current page for their presence.
Jobply
Automates job applications across LinkedIn, Workday, and Greenhouse platforms
GitHub Profile Cleaner
Hide sections on GitHub profiles for a cleaner look.
Domain Search
域名信息收集与安全检测
Keka Shift Timer
Shows exactly how much time is left and when your shift ends—right inside Keka.
glass-easel DevTools
DevTools extension for developing glass-easel applications
GFG practice topic hider
An extension which allows you to hide the topics and dificulty level of the question which you are practicing.
Opal Chrome Helper
Bulk manage skills, memory, agents, workflows, tools, and artifacts on Optimizely Opal
LINE Message Validator
LINE Message Validator
Broken-Links Scanner
Check broken links on any webpage instantly. Lightweight, private, no tracking. Runs only when you ask.
SelectR - XPath & CSS Selector Tester
Test XPath and CSS selectors instantly with live highlighting, smart autocomplete, and click-to-navigate.