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.
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Maker
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Thanks for checking out Diffs.vip!
Why we built this:
- Dev teams need a truly private, fast diff workflow
- JSON diffs should be structure-aware, not just text
- Image diffs should highlight real changes (ΔE, overlay, heatmap)
- CSV↔Parquet should be real Parquet (WASM), not a fake IPC
What’s inside today:
- JSON structure diff (copy “changes only”), Web Worker for large files
- Image diff (changes-only / overlay / slider / heatmap), auto-align, batch export
- Numbers vs Excel (cell-by-cell)
- CSV↔Parquet (real Parquet, compression analysis)
Roadmap (next):
- Feature-point alignment for images
- Batch clustering + report export
- More developer APIs and guides
We’d love your feedback — what should we build next?