Image Diff Tool
Use Image Diff Tool on AboveTool for image resize, crop, filters, palettes, OCR, and more — private canvas processing, no signup.
Image Diff Tool
highlights pixel differences between two images
Drop images here (need 2)
or click to browse — processed locally
No images added yet.
Preview
Result preview
Details
same dimensions work best
About Image Diff Tool
Image Diff Tool is highlights pixel differences between two images. Absolute-differences RGB into a heat map. Same dimensions work best. Image Diff Tool runs free in your browser at abovetool.com — no signup required.
How to use
- Upload an image (or paste Base64 / pick a color for text-only modes).
- Adjust the tool-specific options such as size, filter, or palette settings.
- Click Run to preview, then copy or download the result — all in your browser.
Features
- Mode-specific controls for resize, crop, filters, palettes, and more
- Canvas processing stays on your device
- ZIP packs for favicons, icons, and grid tiles when needed
- OCR via Tesseract.js for image-to-text tools
Frequently asked questions
Is Image Diff Tool free on AboveTool?
Yes. Image Diff Tool is free to use on abovetool.com with no account required.
Are my files uploaded to a server?
Most tools on AboveTool process files locally in your browser. Your content stays on your device.
Who is this Image tool for?
Anyone who needs quick Utilities tasks without installing desktop software — students, developers, designers, and office teams.