Diffy - Visual JSON Diff

by Abiee · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Compare JSON diffs on a visual graph.

Users

+1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#129K

#107K among extensions

Version

1.7.1

updated 7 Sep 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 31 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 2 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 Diffy - Visual JSON Diff

Diffy is a modern, visual JSON comparison tool designed for developers. Stop wrestling with messy text diffs. Diffy allows you to visualize your data as interactive nodes in a graph. Simply import your JSON snippets, connect them, and instantly see the differences highlighted. Key Features: 1. Visual Graph Interface: Organize your JSON data as draggable nodes on a high-performance canvas. 2. Instant Diffing: Connect two nodes to see a side-by-side comparison with syntax highlighting. 3. Developer Focus: Built for speed and clarity, featuring a premium dark mode and Geist typography. 4. Local Persistence: Your graphs are automatically saved to your browser's local storage, keeping your data secure and offline. 5. Import and Export: Easily move your JSON data in and out of the extension. Perfect for comparing API responses, configuration files, or debugging complex data structures during development. Built with Svelte 5 and SvelteFlow for a smooth, reactive experience. Add Diffy to Chrome to upgrade your development workflow today.