web-utilities

🛠️ 1088+ 纯前端在线工具集 | 单文件·零构建·可离线·隐私优先 | Pure HTML Tools - Single file, Zero build, Offline-ready, Privacy-first

a soft toolkit for curious makers — free, open source tools for electronics, generative text, color, zines & more.

A curated collection of useful and fun bookmarklets to enhance your browsing experience.

Rui Quintino (with 🤖) Web Snippets Playground

The ultimate professional suite of 30+ developer tools and 30+ technical guides. Built for speed, security, and enterprise-grade performance

Metronome Online is a simple and intuitive metronome app that provides an animated metronome and sound to help you keep time while practicing music. With an adjustable BPM, it's perfect for musicians of all levels.

A simple collection of helpful online tools I often use and recommend.

A lightweight Node.js tool for checking HTTP redirects for large lists of URLs and exporting results to CSV.

A privacy-first suite of web utilities. 100% client-side data processing.

A collection of powerful, private-first online utilities for calculations, file metadata, and web development. 100% client-side and secure.

Common TypeScript web utilities

Vixaren is a free online tools platform offering a wide range of utilities for web diagnostics, text processing, data conversion, and everyday technical tasks. All tools are accessible directly in the browser with no registration required.

Bookmark_Cleaner is a Python tool designed to automatically scan, organize, and clean your browser bookmarks. It detects and removes duplicates, dead links, and empty folders, making your bookmark collection tidy and efficient. Ideal for anyone who wants to maintain a well-organized set of online resources.

WebToolsLibrary is a curated collection of free online tools designed for developers, webmasters, and SEO professionals to perform quick checks, conversions, and technical analyses directly in the browser.

A simple, client-side AI chatbot that runs entirely in your browser. Features real-time streaming, tool support, and local persistence for your chats and API keys. No backend needed-just plug in your key and start chatting.

🔗 Minimal vanilla JS directory listing app for managing multi-environment service links in Distroless Docker image

🚀 Your all-in-one daily DevOps toolkit for fast, serverless utility generation. Secure, browser-based, and lightning-fast tools for cloud & platform engineers.

ShoutingNow is an open collection of free browser-based calculators, converters, generators, and productivity tools. We build fast, privacy-friendly utilities that run entirely in your browser with no sign-up or installation required. Includes SEO tools, finance calculators, converters, developer utilities, text tools, and educational resources.

134+ free browser-based online tools — no signup, no download