Pretty JSON

by Himanshu Lohani · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Format and beautify JSON with colorful syntax highlighting

Users

−2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#98K

#81K among extensions

Version

1.1

updated 13 Jun 2025

Users

monthly, 16 months

Latest, 16 Oct 2026: 67 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 Pretty JSON

Pretty JSON is a powerful, easy-to-use Chrome extension that helps developers format, visualize, and correct JSON data with a single click. Whether you're debugging an API response or inspecting raw data, Pretty JSON saves you time by automatically applying proper indentation, highlighting syntax, and even fixing common issues like missing brackets, quotes, or commas. 🔥 Key Features: ✅ One-Click Beautification Instantly formats raw or minified JSON into a readable, structured view. ✅ Intelligent Error Correction Automatically fixes common JSON errors, such as: Missing or extra braces {} or brackets [] Improper quotes or commas Malformed structures ✅ Syntax Highlighting Enhances readability with colorful code and smart indentation. ✅ Lightweight & Fast No bloat, just blazing-fast formatting in your browser. ✅ Secure & Offline All formatting is done in your browser — your data never leaves your machine. ✅ Automatic Detection Detects JSON in the current tab and activates the formatter automatically.