JSON Formatter
Format, minify and validate JSON with a browsable tree.
Turn a spreadsheet export into JSON your code can use, or flatten JSON back into CSV. Delimiters are detected automatically, numbers and booleans can be typed, and a preview table shows what was actually parsed before you copy anything.
Nothing to preview
Paste or open some data and the parsed table appears here.
Format, minify and validate JSON with a browsable tree.
Test regular expressions with live highlighting and groups.
Encode and decode Base64 text, files and data URLs.
Read a JSON Web Token's claims and check its signature.