For developers
Small helpers you reach for every day: format JSON, encode Base64, decode a JWT, calculate a hash, convert colors and timestamps, design a CSS shadow. Everything runs locally in the browser, so your data stays with you.
Tools7
Format JSON
Make JSON readable or compact it, and check it for errors.
For developersBase64
Turn text into Base64 and back.
For developersColour: HEX, RGB, HSL
Convert a colour between HEX, RGB and HSL.
For developersUnix time
Turn Unix time into a date and back.
For developersDecode JWT
Read what is inside a login token.
For developersMake a hash
SHA-256 and other hashes of a text.
For developersCSS shadow
Draw a box-shadow and copy the code.
For developers