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Video · Audio · Image · Text QA
Compare Any Two Files. See Exactly What Changed.
The only online diff tool built for media. Upload expected and actual — get a heatmap, a 0–100 similarity score, and the exact place every difference shows up. Video, audio, images, subtitles, text and JSON.
Use the comparison API from scripts and CI.
Each call costs one credit.
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No More Hunting Through Frames
Expected on the left, actual on the right, a synchronized heatmap in the middle — pinpointing every changed pixel with a glowing marker around the exact bounding box of each difference. You don't search for the bug. We show you where it is.
Built for Testers Who Need Answers, Not Just Two Videos
A side-by-side player is a viewer. DiffALL is a detector. Designed from the ground up for QA engineers, video encoding teams, and visual-regression automation.
Pinpoint the Failure
Phosphorescent markers around every changed region