JSONer - JSON Toolkit

Name: JSONer - JSON Toolkit
Author: Goldpumpkin

A beautiful and powerful JSON formatter, validator, and toolkit for developers

As of June 2026, JSONer - JSON Toolkit has 9 users in the Developer Tools category.

Goldpumpkin Developer Tools

Chrome Web Store ↗.crx

Users0%

Rating0%

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— reviews

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Version

1.0.0

Manifest V3

History

5 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	9	—	—	1.0.0
Apr 16, 2026	10	—	—	1.0.0
May 7, 2026	7	—	—	1.0.0
May 13, 2026	10	—	—	1.0.0
Jun 1, 2026	11	—	—	1.0.0
Now	9	—	—	1.0.0

Permissions & access

Permissions: storageactiveTabscripting
Host access: None declared

Screenshots

About

JSONer is a powerful JSON toolkit that helps developers work with JSON data more efficiently.

  Features:

  🎨 Format JSON
  - Beautify and format JSON with proper indentation
  - Collapsible tree view for easy navigation
  - Syntax highlighting for better readability

  📦 Minify JSON
  - Compress JSON by removing whitespace
  - Perfect for optimizing API payloads

  🔤 Escape JSON
  - Convert JSON to escaped string format
  - Useful for embedding JSON in strings

  ✅ Validate JSON
  - Real-time JSON validation
  - Clear error messages with line numbers

  📋 Additional Features
  - Copy formatted output to clipboard
  - Download JSON as file
  - History of recent JSON operations
  - Dark/Light theme support
  - English and Chinese language support
  - Works on any webpage

  How to Use:
  1. Click the JSONer icon in your browser toolbar
  2. Paste your JSON in the input area
  3. Click Format, Minify, Escape, or Validate
  4. Copy or download the result

  Perfect for web developers, API developers, and anyone who works with JSON data regularly.

  Website: https://jsoner.dev