HTTP Echo Server

Like Retool or Airtable, but runs locally. Connect your database and get a beautiful admin panel in seconds.

Professional-grade iframe visual configuration tool that makes content embedding simple, secure, and polished. Easily set up iframes via an intuitive interface, with solutions for every need from responsive layouts to enterprise-level security contro

UFreeTools is your go-to all-in-one tool platform, offering high-quality, easy-to-use online tools to cover all your daily development and design needs. We build a one-stop toolbox to boost your efficiency across development, design and everyday work

Helps users validate, format JSON data, and repair data formatting issues with AI.

A minimalist, lightweight, and powerful data visualization editor

Local-first AI skills manager — your skills stay plain files