Simple JSON Checker

Format, validate, and edit JSON easily in Chrome’s side panel. A simple and powerful tool for developers.

As of May 2026, Simple JSON Checker has 9 users and a 5.00/5 rating from 4 reviews in the Developer Tools category.

Developer Tools

Chrome Web Store ↗.crx

Users−10.0%

Rating0%

5.00

4 reviews

Reviews0%

Version

1.0.1

History

4 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	10	5.00	4	1.0.1
May 6, 2026	9	5.00	4	1.0.1
May 18, 2026	10	5.00	4	1.0.1
May 31, 2026	11	5.00	4	1.0.1
Now	9	5.00	4	1.0.1

Permissions & access

Permissions: None declared
Host access: None declared

Screenshots

About

Easily format, validate, and edit JSON in Chrome’s side panel.

Simple JSON Checker is a lightweight and powerful developer tool that helps you debug and work with JSON effortlessly. Whether you’re formatting messy JSON, validating API responses, or editing data on the go, this extension streamlines your workflow without leaving the browser.

✅ Features:

Format and beautify JSON instantly

Minify JSON for compact storage or API testing

Validate JSON to catch errors quickly

Edit JSON directly in Chrome’s side panel

Copy, clear, or download JSON with one click

Light and Dark themes for your comfort

Works on any website without disrupting your work

Perfect for developers, testers, and anyone working with JSON data.

💻 Why use Simple JSON Checker?
No need to switch tabs or open heavy desktop tools. This extension brings JSON editing right into Chrome, saving time and making debugging seamless.