ToolWrenToolWren is a growing collection of 108 free online tools — encoders and decoders, format converters, generators, and everyday calculators — that all run entirely in your web browser.
Why ToolWren?
- Private by design. Your data never leaves your device. Everything is processed client-side, with no uploads and no servers storing what you enter — ideal for sensitive tokens, internal data and quick everyday conversions.
- Fast. No round-trips to a server means instant results, and the tools even keep working offline once a page has loaded.
- Free & no sign-up. Every tool is free to use with no account required.
What's inside
Browse 12 categories: Encoding, Tokens, Data, Converters, Color, Generators, Calculators, Finance, Health, Date & Time, Text, Ciphers.
Contact
Feedback or a tool request? Email hello@toolwren.com.