Stop googling
"json formatter online."
16 tools you reach for every day, in one place. Format a JSON payload, decode a JWT from a request header, hash a string, generate a UUID for a seed file. Everything runs in your browser — your data stays on your machine.
JSON
Format, validate, and minify JSON
Base64
Encode and decode Base64 strings
JWT
Decode JWT tokens
Hash
Generate MD5, SHA-1, SHA-256, SHA-512
UUID
Generate v4 UUIDs
URL
Encode, decode, and parse URLs
Regex
Test regular expressions
Timestamp
Convert Unix timestamps and dates
Password
Generate secure passwords
SQL
Format and beautify SQL queries
Cron
Parse and explain cron expressions
Markdown
Preview rendered Markdown
Color
Convert HEX, RGB, HSL
Diff
Compare two texts
QR Code
Generate QR codes
Lorem
Generate placeholder text
Runs in your browser
When you paste JSON and click Format, the formatting happens right here in your browser. Nothing gets sent anywhere. We literally can't see what you type.
Just use it
Every tool works immediately. No account, no email, no "start your free trial." Sign up only if you want API access to use these tools in your scripts.
Works from your terminal too
All 16 tools have REST endpoints. Pipe a curl into your workflow and get JSON back. Free tier gives you 1,000 calls a day. See the API