What is Diffs.vip - Diff Tools?
A fast, privacy-first diff toolkit in your browser. JSON structure diff, Image diff (changes-only, overlay, heatmap), Numbers vs Excel cell-by-cell, CSV↔Parquet with real WASM. No upload. No tracking. Web Worker acceleration.
Problem
Users need to compare different file formats (JSON, images, spreadsheets) but rely on separate, non-specialized tools for each format, leading to inefficiency, data privacy risks from uploading files, and lack of unified functionality.
Solution
A browser-based privacy-first diff toolkit that enables users to compare JSON structures, images (via changes-only, overlay, or heatmap modes), Excel/Numbers spreadsheets cell-by-cell, and convert CSV↔Parquet using WASM without uploading data, ensuring local processing and no tracking.
Customers
Developers, data engineers, and analysts working with multi-format data validation; QA teams verifying code/design changes; privacy-conscious professionals handling sensitive datasets.
Unique Features
Combines JSON, image, and spreadsheet diffs in one tool; processes files locally via Web Workers/WASM for speed; supports Parquet-CSV conversion; zero data upload or tracking.
User Comments
Saves time switching between tools for different formats
Local processing ensures sensitive data stays secure
Excel cell-by-cell diff is a game-changer
Heatmap image comparison is intuitive
Parquet conversion works seamlessly
Traction
Launched on ProductHunt with 500+ upvotes; used by 10k+ monthly active users (estimated from traffic data); founder has 1.2k followers on X; browser-based deployment eliminates install friction
Market Size
The global data validation and testing tools market is projected to reach $4.8 billion by 2027 (MarketsandMarkets), driven by increasing DevOps/QA automation demands.
