Small tools that don't watch you.
Free, no account and no tracking. All the tools here run entirely in your browser, nothing is sent or stored. The same promise as with Snare, for tasks you do every day.
Runs entirely in your browser. Nothing is sent or stored.
Development
JSON Formatter
Format, minify and validate JSON, with a clear error message.
Base64 Encode and Decode
Text to Base64 and back, UTF-8 safe and URL-safe if you want.
JWT Decoder
Read the header and claims of a JWT, with timestamps in plain language.
Unix Timestamp
Convert epoch seconds or milliseconds to a date and back.
Security and accessibility
More free tools in our products
Webhook inspector and developer tools
Over 20 developer tools: favicon API, webhook payloads, JWT generator, hash, bcrypt, regex, cron and CIDR.
Open
Flight planning for drone pilots
Distance calculator, fine calculator, C-class check, license finder and eID plate generator for drone pilots.
Open
Website audits and monitoring
Free scan of your website for privacy, security and accessibility, no account needed.
Open
Protection from scam messages
Paste a suspicious message or link and have it checked in seconds, three checks a day without signing up.
OpenMissing a tool?
Tell us which one you need every day. We build the best ideas.