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Image Diff

Keep source geometry intact, choose deterministic RGBA or Lab Delta E comparison, and navigate connected change regions.

Local execution receiptinput path disclosedTool content stays out of MonoTools URLs and API requests.
Working input
Browser memory
Cross-tool handoff
Session only · 10 min
URL payload
Never
Export
Explicit action

Verify it: open DevTools Network, clear the log, use the tool, then inspect fetch/XHR requests. Page assets and optional aggregate analytics may use the network; tool input is not included.

Full privacy model
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How to use

  1. 01Choose the original and changed images.
  2. 02Choose RGBA or perceptual mode and set its threshold.
  3. 03Review dimensions, metrics and connected regions, then download the difference PNG or report.
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FAQ

Is perceptual comparison available?
Yes. Perceptual mode uses CIE Lab Delta E 76 plus alpha difference; RGBA mode remains available for deterministic channel thresholds.
guides

Guides

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