JSON Formatter & Validator

by devbrosforever · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Format and validate JSON, XML & GeoJSON easily — pretty-print, and check your data and download for free.

Users

−6 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#200K

#167K among extensions

Version

1.0.0

updated 10 Jul 2025

Users

monthly, 16 months

Latest, 16 Oct 2026: 9 usersMove the mouse over the chart for any month

Ratings count

monthly, 16 months

Latest, 16 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About JSON Formatter & Validator

Format and validate JSON, XML, and GeoJSON easily and for free with JSON Formatter & Validator. Whether you’re a developer, data scientist, or just working with APIs, this extension helps you: • Pretty-print (beautify) JSON and XML with indentation. • Validate JSON structure to catch errors fast. • Handle GeoJSON data for maps and spatial projects. • Minify JSON for compact output. ⭐️ Works right in your browser — no external tools or uploads. ⭐️ Free, privacy-friendly, and simple. Install now and save time working with structured data!