Source: https://restorebunny.com/tools/image-transparency/

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# Image Transparency

Reduce the alpha of an image to create a translucent PNG overlay. Existing transparent areas stay transparent.

Free · No signupLocal browser processing

**Choose a photo**Up to 16 MP per photo · 20 MB per file · 80 MB per batch

Opacity50%

**Result**Ready for your input

Your result will appear here

No signup or server upload.

This changes the whole image’s opacity. It does not remove a specific background color or separate a foreground subject.

**Give an old photo a fresh start**

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[Restore a photo](<https://restorebunny.com/signup/>)

## How to use image transparency

1. Choose your source file or files from this device.
2. Adjust the controls and inspect the result.
3. Download the output shown by the tool; keep the original files.

## A practical example

At 50% opacity, an opaque pixel’s alpha becomes about 128 out of 255. A pixel already at 50% alpha becomes about 25% opaque.

## Frequently asked questions

Is image transparency free to use?

Yes. This utility works without a signup or paid credit. Files and calculations are processed in this browser.

What should I check before using the result?

This changes the whole image’s opacity. It does not remove a specific background color or separate a foreground subject.

## Keep working on your photo

- [Browse all free tools](<https://restorebunny.com/tools/>)
- [Check photo resolution](<https://restorebunny.com/tools/photo-resolution-checker/>)

[Browse all free tools](<https://restorebunny.com/tools/>)

By RestoreBunny · Reviewed 2026-10-16. Utilities use local calculations or [browser image processing](<https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial/Pixel_manipulation_with_canvas>). The download button identifies the output format. Animated images export one decoded frame. Keep your original files.