Developer Tools

程序开发常用工具,哈希/加解密/编码转换/时间戳/二维码/拼音/IP查询/代码优化/Unicode/正则等...

File tree for GitHub, and more than that.

Inject HTML, CSS or JavaScript into any web-page. The changes you make are applied every time you visit the specified website(s).

Credit Card Generator helps you create 100% valid test credit cards with Name, CVV, Address, Expiry and Zip code to test payments.

Detects the Javascript libraries running on a page and displays their icons in the address bar.

Minimal browser extension that exposes tab automation to the Jan MCP bridge.

Cross-browser test websites in the most popular browsers such as Edge, Chrome, Firefox, Safari, Opera, and IE. Try for free!

Remote browser automation via MCP - DevTools Extension

A Chrome extension to identify fonts & stlyes used by a web page.

Rapid7 AppSec Plugin

Easy Cookie Editor is a cookie manager. Control your cookies! You can add, delete, edit, and search.

Easily browse, edit and manage SQLite database inside your browser!

A chrome extension that adds a colored border around websites that match user inputted preferences.

Extension de navigateur permettant d'auditer des pages web en suivant le référentiel RGAA.

Shows swagger yaml/json rendered by Swagger-UI. This extension replace swagger code into preview html in GitHub.

在Chrome或其他Chromium内核浏览器中使用 New Bing AI

Github Gloc - counts locs on GitHub pages

Monitor Memory, CPU utilization & CPU Temp (Chome OS). Clean up memory by dicardings tabs. Clear browsing data.

Displays a rating-based problem-solving heatmap on Codeforces profile pages.

Visualizer the CLS of any webpage

OPFS Explorer is a Chrome DevTools extension that allows you to explore the Origin Private File System (OPFS) of a web application.

GitHub 中文汉化翻译插件用于将 GitHub 页面中的菜单、按钮、标题、提示语等界面文本进行本地化为简体中文，提升中文用户的浏览与协作效率。

Minimal JSON Viewer with JSON Path

LinkParser analyzes the links of the current page. It can differentiate between 9 link types & mark them in different colors.

A Github Flavored Markdown Editor

Analyze, debug, and improve the performance of your Lightning application (Developer Preview)

This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.

SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов

A Chrome extension that exports ChatGPT chat history as Markdown text

Write in the browser with your text editor.

Start tracking it right now with Simple Time Tracker. No need any registration, permissions or unnecessary features.

Recolecta perfiles, da like/follow, y automatiza ciclos en Talkytimes.

Adds debugging tools for Preact to Chrome

Get the feed of the latest testing news.

Convert private or internal web pages into editable React/HTML or start vibe coding on it

Print all elements with z-index sorted by that number.

Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.

Decodes Base64 strings. Highlight the string and right-click.

Change all GitHub repository and gist pages to be full width and dynamically sized.

Shows which web technologies the current site is using.

The Soroco Scout browser extension is a part of Scout agent (Soroco IP) installation

Turn any Git repository into a prompt-friendly text ingest for LLMs. By replacing hub with ingest to access a coresponding digest.

Simple shortcuts and tools to save time

The Powerful Cloud-based IDE Service

Install Color Finder with eyedropper tool to activate color identifier online with RGB and HEX code finder from screen.

Show plugin report in WordPress.ORG

DevTools for PixiJS

An independent self-custody wallet supporting the Tondi ecosystem

Adds context menu items to send image links and image files directly to the GIMP photo editor

A simple tool for web designers/developers to overlay a grid on any website with custom columns, colors and more.