JSON Validator

Quickly validate your JSON and show the problem if there is any.

As of May 2026, JSON Validator has 863 users in the Workflow & Planning category.

Stacey Workflow & Planning★ Featured

Chrome Web Store ↗.crx

Users+0.1%

863

863

Rating0%

—

— reviews

Reviews0%

—

Version

3.0.0

Manifest V3

History

2 snapshots

Tracking since Apr 25, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 25, 2026	862	—	—	3.0.0
May 22, 2026	875	—	—	3.0.0
Now	863	—	—	3.0.0

Permissions & access

Permissions: None declared
Host access: None declared

Screenshots

JSON Validator screenshot 1

About

Need to validate your JSON code for syntax errors?

Use this free JSON code validator today and you can check for simple syntax errors before uploading your JSON code.

Try this free code validator for your JSON code now.

Use this free JSON Validator today.

Technical

Version: 3.0.0
Manifest: V3
Size: 162KiB
Min Chrome: 88
Languages: 40
Featured: Yes

Metadata

ID: fnlpfmbmkgekpgiknblmpiebcfmmmdkh
Developer ID: u5e3c91517bf60b56d8eb0922e29f5b0c
Developer Email: [email protected]
Created: Aug 14, 2022
Last Updated (Store): Sep 23, 2023
Last Scraped: May 22, 2026
Website: —
Support URL: —
Privacy Policy: https://random-number-generator.xmlformatter.io/privacy-policy

Similar extensions

Alternatives to JSON Validator, ranked by description similarity.

Format your JSON so that it is indented correctly for easier reading.

Format JSON in textbox or read/format from file

Collection of small & convenient JSON tools.

XML String Escape

Lets you put these texts directly into XML document without being interpreted as XML data.

CSV to JSON and JSON to CSV Converter Tool

Effortlessly convert CSV and JSON files with our efficient extension. Ideal for data manipulation and migration.

Github JSON Editor

Github JSON Editor

A fast, private JSON-to-CSV converter. Your data is never shared with our servers.

Online XML Viewer

Use Online XML Viewer app to view and beautify xml format. This tool can be used as a reader, xml editor, beautifier, and validator.

Data sourced from the Chrome Web Store · last verified May 22, 2026.