JSON Formatter & Validator
Format messy JSON data with 2 or 4-space indentation, minify for production, validate structure, and copy with one click.
How It Works
Paste JSON
Paste raw JSON text or drag in a .json file.
Format or Minify
Click 'Format (2 spaces)', 'Format (4 spaces)', or 'Minify'.
Copy Result
Instantly copy clean JSON or download as a file.
Guaranteed Privacy
Unlike cloud converters, zero bytes of your document or image are sent over the network.
Instant Speed
No upload queue, no download wait times. Processing is powered by your own CPU & GPU.
No Arbitrary Limits
No 50MB file size ceiling or hourly usage caps. Handle heavy files right on your hardware.
Frequently Asked Questions
Is my API payload private?
Related Text & Dev
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect header, payload, and expiry dates.
URL Encoder / Decoder
Encode or decode strings to URI-safe percent-encoded format.
Lorem Ipsum Generator
Generate customizable placeholder text by paragraphs, sentences, or words.
Duplicate Line Remover
Deduplicate lists, remove empty lines, and sort alphabetically.