JSON Diff Tool

Compare two JSON files and instantly see the differences highlighted.

JSON 1 (Original)

JSON 2 (Comparing)

Features

  • Deep Comparison: Compares nested structures
  • Key Detection: Finds added/removed keys
  • Value Changes: Highlights modified values
  • Type Changes: Detects data type changes
  • Clear Display: Easy-to-read difference list
  • Path Tracking: Shows exact location of changes
  • No Upload: Everything processes locally
  • Free & Secure: Your data stays private

How to Use

  1. Paste your original JSON in the left box
  2. Paste the JSON you want to compare in the right box
  3. Click Compare JSON
  4. Review the differences highlighted below

Use Cases

  • Compare API responses before and after changes
  • Verify configuration file modifications
  • Debug data transformation issues
  • Review changes in version-controlled JSON files
  • Validate JSON schema changes