Data utilities

JSON formatter & validator

Format, validate, and minify JSON without leaving the browser. Drop API responses or config files in the editor to normalize indentation, catch malformed contracts, and copy clean payloads for docs.

Category: Data utilities View documentation

Highlights

  • CodeMirror editor with syntax highlighting and keyboard shortcuts
  • Server-side validation keeps large payloads and edge cases accurate
  • Pretty-print and minify modes share indent controls for consistent diffs

Sample payloads

Load a preset to explore formatting options.

Input payload

Drop any JSON snippet, then format, minify, or copy.

Output & validation

Formatted JSON, parser hints, and payload stats.

Valid JSON

Parser is happy. Copy or tweak the formatted payload.

Characters466
Top-level nodes5

Builder wisdom

“A user interface is like a joke. If you have to explain it, it’s not that good.”

— Unknown

Quick links

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