AAlifBay DevTools

Practical guide

How to format and validate JSON online

Make compact JSON readable, identify syntax problems, and produce a minified version without uploading data.

  1. Step 1

    Paste the JSON document into the editor.

  2. Step 2

    Format it to inspect nesting and syntax.

  3. Step 3

    Copy the formatted or minified result.

Before you export

  • ✓ JSON keys and string values require double quotes.
  • ✓ Remove trailing commas when strict JSON is required.
Open JSON Formatter →

Last updated September 2, 2026 · AlifBay Khairhub