Source: https://restorebunny.com/tools/trim-transparent-png/

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# Trim Transparent PNG

Remove empty transparent margins using the alpha bounding box. Set the alpha cutoff and optional padding, keeping visible pixels at their original scale.

Free · No signupFiles stay on your device

**Choose an image**Up to 4 MP / 20 MB per image

Alpha cutoff0Padding (px)0

**Give your product a new setting**

Create a reviewed product scene and listing kit. One credit per generation.

[Open Product Photo Studio](<https://restorebunny.com/signup/?from=seo-content&source=%2Ftools%2Ftrim-transparent-png%2F&view=product>)

## How to use trim transparent png

1. Choose your local image and the task-specific settings below.
2. Create the result and inspect its details.
3. Download your file without creating an account.

## A practical example

If nontransparent pixels occupy x=20 through 119 and y=10 through 59, zero padding exports 100 × 50 pixels.

## Frequently asked questions

Are my files uploaded?

No. This utility runs in your browser. Your photos and settings are not sent for processing.

What should I check before using the output?

Opaque white is not transparency. A fully transparent image has no visible bounding box and returns a clear error.

## Keep working on your photo

- [All free image tools](<https://restorebunny.com/tools/>)
- [Prepare image dimensions](<https://restorebunny.com/tools/image-resize/>)

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By RestoreBunny · Reviewed 2026-10-25. 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.