About FreeToolBox
FreeToolBox is a collection of 150+ free online tools built for developers, writers, marketers, students and professionals.
Our Mission
We believe useful tools should be accessible to everyone, without barriers. No signup required, no usage limits, no hidden fees, no data collection.
How It Works
Every tool runs 100% in your browser. Your data never leaves your device. We use client-side JavaScript to process everything locally — no server uploads, no cloud processing, no tracking.
Categories
- Developer Tools — JSON formatters, CSS generators, code converters, regex testers
- PDF Tools — Merge, split, compress, convert PDFs entirely client-side
- Text Tools — Word counters, case converters, text-to-speech, grammar checkers
- SEO Tools — Meta tag generators, schema markup, sitemap builders
- Utility Tools — Image tools, calculators, timers, converters
- Security Tools — Password checkers, hash tools, header generators
- Business Tools — Invoice generators, ROI calculators, pricing tools
Technology
Built with Astro, Tailwind CSS and vanilla JavaScript. Hosted on Cloudflare Pages for maximum speed worldwide.
Contact
Questions or suggestions? Visit our contact page.