Base64 encoder & decoder
Encode and decode Unicode text as Base64.
Open toolJSON formatter & validator
Validate, format or minify JSON.
Your input stays in this browser. No account needed.
THE QUICK GUIDE
How to use json formatter & validator
Paste JSON and choose format or minify.
How it works
Parses JSON and serializes it with your chosen spacing.
A useful example
{"a":1} can be expanded into readable indented JSON.
Good to know
Duplicate keys keep their last value; very large numbers may lose precision.