Transparent PNG whitespace trimmer

Input

Choose imagesUpload PNG or WebP files with transparency.Choose images

Trim transparent image margins

Remove empty transparent borders from PNG and WebP images while preserving the visible content.

The result includes bounding box details so you can check how much padding was removed.

Quick start

Remove transparent margins from PNG/WebP and keep an optional edge border.

Select transparent images
Set the alpha threshold and retained border
Trim, review dimensions and download PNG or ZIP

✓ Processing happens in the browser for quick visual tasks and one-off asset preparation.

✓ Uploaded files are used only for the current operation and the original image stays unchanged.

✓ Preview the result before downloading so layout, crop and colors can be checked first.

✓ Most outputs can be downloaded as PNG, SVG, HTML or ZIP depending on the selected tool.

✓ Use desktop or tablet fullscreen mode when the image preview needs more working space.

✓ For publishing-critical assets, review the downloaded file in the target platform or browser.

Supported formats

This tool accepts these formats. Uncommon containers and modern web formats may be normalized or converted on the server before processing.

Images

APNG AVIF BMP DDS DPX EXR FITS FTS GIF HDR HEIC HEIF ICO J2C J2K JPC JPE JPEG JPG JP2 JPF JPM JPS JXL MJ2 PAM PBM PCX PDN PGM PNG PNM PPM PSD TGA TIF TIFF WBMP WEBP SVG

A damaged file or a non-standard codec can still fail even when the extension is supported.

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