Trim Transparent PNG.
Remove unused transparent borders around PNG artwork, with adjustable padding and an accurate before/after preview.
Private processing
Trim transparent edges
Remove empty transparent space without cropping visible artwork.
The slider changes which alpha pixels count as visible when finding the crop. 0 keeps all nonzero alpha; 254 counts only fully opaque pixels.
High alpha thresholds can remove faint antialiased edges. Check before saving.
Editing normally runs in your browser. When enabled, AVIF or advanced PNG compression can use a protected temporary server encoder.
How to use Trim Transparent PNG
- 1Choose a transparent PNG image.
- 2Adjust extra padding and the optional alpha threshold.
- 3Preview the exact trimmed bounds, transparency and output dimensions.
- 4Download the cropped PNG directly to your device; no image upload is required.
About trim transparent png
Use this free image tool to prepare creative graphics while keeping their actual dimensions and appearance under your control. Review the output on multiple backgrounds and choose a format suitable for how you plan to use it.
Frequently asked questions
Will this remove visible artwork?
With alpha threshold 0, all pixels with nonzero alpha are preserved. Increasing the threshold may remove faint antialiased edges.
Does trimming reduce file size?
Trimming removes empty transparent border pixels. Actual encoded byte size depends on image content and can vary.
Does the server retain my PNG?
No. Pixel scanning, preview and PNG export happen in your browser.
Browser-based results remain on your device. Compression, colours and vector tracing involve trade-offs; check each output before using it publicly.