JSON Diff Master icon

JSON Diff Master

by thundernewa · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Compare two JSON objects and show differences. Lightweight version of JSON Diff Master.

Users
22
+1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#145K
#121K among extensions
Version
1.0.0
updated 13 Sep 2025

Users

monthly, 13 months
01122Sep 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 22 usersMove the mouse over the chart for any month

Ratings count

monthly, 13 months
025Sep 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 5 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 Diff Master

Overview JSON Diff Master is a powerful Chrome extension designed for developers, QA engineers, and data analysts who work extensively with JSON data structures. Our tool provides an intuitive side-by-side comparison interface that instantly identifies differences between two JSON objects or text files, highlighting additions, removals, and modifications with visual clarity. Key Features - Deep JSON Comparison Perform structural and value-based comparisons of JSON objects at any depth Identify added, removed, and modified properties with precise path information Handle nested objects and arrays with intelligent diffing algorithms Support for both minified and formatted JSON inputs - Text Comparison Capability Compare plain text files with line-by-line difference highlighting Toggle between JSON and Text diff modes based on your needs Maintain formatting while accurately identifying changes - User-Friendly Interface Clean, intuitive split-view layout for easy visual comparison Clear visual indicators for all types of changes (additions, deletions, modifications) One-click input clearing functionality Collapsible sections for better focus on relevant differences - Developer-Focused Tools Copy diff results to clipboard with structured output Export comparison results for documentation purposes Persistent settings for frequent comparison tasks Value Proposition - For Developers Rapidly identify API response changes during development Debug configuration files and spot differences between environments Verify data structure changes during code refactoring Compare API responses across different versions or endpoints - For QA Engineers Validate expected versus actual API responses in testing scenarios Document differences between test environments Quickly identify regression issues through structured data comparison - For Data Analysts Track changes in JSON-based data exports over time Validate data transformation outputs Identify discrepancies in large datasets efficiently - Technical Specifications Supports JSON files up to 10MB in size Handles complex nested structures without performance degradation Client-side processing ensures your data never leaves your browser Regular expression support for advanced text matching in diff mode Why Choose JSON Diff Master? Unlike generic diff tools, JSON Diff Master specializes in understanding JSON structure, providing meaningful comparisons that respect data types and hierarchies. Our visual interface makes it immediately obvious what has changed between two versions of your data, saving you time and reducing errors in your development workflow.

Growth

WindowUsersChangeRatingsRating
7 days+1+4.8%00.00
30 days+1+4.8%00.00
6 months+7+46.7%00.00
1 year+16+266.7%00.00

Version history

1 versions recorded
1.0.013 Sep 2025

Details

Category
Developer Tools
First seen
13 Sep 2025
Size
19 KB
Languages
en
Pricing
Free
Privacy policy
jsondiff.me
Extension ID
nkcbbpkeglmkcjdhhfndenfkimohnabd

Permissions and risk

Minimal riskimpact 0, likelihood 2

Alternatives to JSON Diff Master

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users