Developer Tools

Record and share detailed bug reports: console logs, network traffic, storage state, environment data, and screencasts.

AI-powered Pull Request reviewer using GPT-4 and Claude

How you feel matters — and so do your bug reports. One-click screenshots, console logs, network & repro steps for dev, QA & product.

Convert strings to MD5 and Laravel Bcrypt hash

Расширение для подсветки DOM элементов из отчёта сервиса Site Alarm в один клик.

Extract main content from web pages and convert to clean markdown

Быстрый поиск выделенного текста в любой поисковой системе всего в пару кликов с помощью этого быстрого расширения для Chrome.

Open, view, and edit Jupyter/IPython Notebook (.ipynb) files directly in your browser.

拦截和修改 HTTP 请求，方便前端调试

Automatically mark internal traffic in Google Tag Manager and GA4 to keep analytics data clean.

Inject custom CSS and JavaScript into websites.

Convert selected text to Markdown. Edit, preview, and export your md files easily.

AI-powered UX audit in your browser. Evaluate any page with synthetic user profiles and Nielsen's 10 heuristics using local AI.

Convert Bijoy/ANSI encoded Bengali text to Unicode. Select text and right-click to convert, or use the popup.

View, edit, and manage website storage. Supports Cookies, Local Storage, Session Storage, IndexedDB, and Cache Storage.

AI Test Automation Tool, I will run manual test cases for you

Overlay design mockups on web pages for pixel-perfect implementation verification

Adds an Insert HTML button next to Gmail's Formatting options button in the compose toolbar.

Real-time Claude.ai usage tracking — session limits, weekly caps, cost estimates, burn rate predictions & smart alerts.

Audit hreflang tags, canonical signals, reciprocal links, and alternate URL health from your browser.

Session logging & screenshots

Gamify your GitHub experience. Level up , collect skins, climb the leaderboards and more!

A comprehensive tool for certificates: Key Pair Generation, CSR Generation, Public Key Derivation, and Inspection.

Show the sizes of all images on the current website. Also show if they have the right pixel sizes compared to what is displayed.

Sync your bookmarks across browsers using GitHub, Dropbox, Google Drive, or MarkSyncr Cloud

Convert JSON to Mermaid ER Diagrams and Mind Maps instantly.

Opens a new tab with a URL based on a number input

Helps helps you test and debug your Podium applications

Test website responsiveness across devices

Exports firebaseLocalStorage entries from IndexedDB to clipboard as JSON.

Copies a value from the active page's local storage to the clipboard.

Rails spotlight is a tool designed for Ruby on Rails developers

Track active A/B experiments and goal conversions for Convert, Optimizely, and VWO.

Simple extension to change window width

Calculate refund percentage from Walmart-style data tables

Inject IP headers to specific API requests

View DNS records for the current domain

Debug Agentforce messaging sessions in real-time — view conversation messages, LLM reasoning, tokens, and session traces.

A new tab page that acts as a markdown editor for notes.

Upload or download a list of CSS classes and scan the current page for their presence.

Automates job applications across LinkedIn, Workday, and Greenhouse platforms

Hide sections on GitHub profiles for a cleaner look.

域名信息收集与安全检测

Shows exactly how much time is left and when your shift ends—right inside Keka.

DevTools extension for developing glass-easel applications

An extension which allows you to hide the topics and dificulty level of the question which you are practicing.

Bulk manage skills, memory, agents, workflows, tools, and artifacts on Optimizely Opal

LINE Message Validator

Check broken links on any webpage instantly. Lightweight, private, no tracking. Runs only when you ask.

Test XPath and CSS selectors instantly with live highlighting, smart autocomplete, and click-to-navigate.