Compare two images and highlight differences.
Drop two images, align them to a shared canvas, and see changed pixels highlighted in red with a difference percentage.
Result will appear here
How to use Image Diff / Compare
- Drop an image (or several) into the upload area, or click to pick from your device.
- Adjust any settings — output format, target size, pixel grid, whatever the tool exposes.
- Click Download to save the result. Everything runs locally; nothing is uploaded.
Why imgrove's Image Diff / Compare
- Free, no signup. Open the tool, use it, leave. No account, no email, no trial.
- Browser-based. All processing happens on your device. Your images never touch a server.
- Mobile-friendly. Works on iOS, Android, Chromebook — anywhere a modern browser runs.
- No watermarks. What you produce is yours.
Best for
- Checking. checking visual changes between two exported images
- Reviewing. reviewing before-and-after edits
- Spotting. spotting pixel differences in screenshots or generated assets
What you get
- A. a red-highlighted PNG difference map
- A. a changed-pixel percentage using an adjustable threshold
Before you download
- Images. images are scaled to a shared comparison canvas
- This. this is pixel comparison, not perceptual similarity scoring
- Private by design. This tool runs locally in your browser; image pixels are processed on your device.
Frequently asked questions
Is Image Diff / Compare really free?
Yes. Every imgrove tool is free, with no signup, no trial, and no per-file limit beyond sensible browser memory.
Are my images uploaded to a server?
No. Image Diff / Compare runs entirely client-side in your browser. The image never leaves your device.
Which file formats does Image Diff / Compare support?
JPG, PNG, and WebP are supported across all first-launch imgrove tools. More formats are added only after browser smoke coverage passes.
Can I use it on a phone?
Yes. imgrove is designed mobile-first.