A curated collection of free online tools to boost productivity, optimize websites, and enhance SEO.
Awesome Dev Utilities is a curated collection of free, fast, and no-login online developer tools from LoopPlunk. It includes everyday utilities like SQL formatters, cron expression helpers, UUID and QR code generators, unit converters, text tools, and developer cheat sheets — all designed to save time and simplify common development tasks.
Russian Business Data Generator
MCP server for AI-powered code analysis — test generation, security audits, refactoring suggestions
实战型开发教程与可运行代码示例库：Backend/Frontend/DB/AI/LLM/Cloud，一知识点一示例，能跑能学能用。
QAstro.js is a modular library for automatic accessibility and security linting of web pages. Easily extensible with new rules
Chrome extension for clearing cookies, storage, and permissions with one click.
A high-performance tool to bundle your entire project into a single Markdown file for LLM context, featuring .gitignore support and client-side ZIP processing.
Add a description, image, and links to the developer-tools-test topic page so that developers can more easily learn about it.
To associate your repository with the developer-tools-test topic, visit your repo's landing page and select "manage topics."