Formatter Toolbox

by Shasika Semasinghe · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

A toolbox for JSON, XML formatting and more...

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#217K

#182K among extensions

Version

1.2

updated 26 Jul 2025

Users

monthly, 15 months

Latest, 16 Oct 2026: 7 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months

Latest, 16 Oct 2026: 3 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 Formatter Toolbox

Formatter Toolbox is an all-in-one browser extension for developers and tech enthusiasts. It lets you format, decode, and visualize common data formats — including JSON, XML, Base64, and JWT tokens — directly from the popup window. With support for syntax highlighting, copy-to-clipboard, theme switching (light/dark/auto), and a custom color picker, this extension boosts productivity by giving you instant results without needing to open an online tool. 🔧 Key Features - Format and beautify JSON and XML - Decode Base64 and inspect JWT tokens - Toggle between light, dark, or auto themes - Use color picker to customize highlight colors - Copy formatted output with one click ⚡️ Perfect for developers, testers, API users, and data analysts. 🎨 Built with simplicity, privacy, and efficiency in mind. Developed by Shasika Madhushan.