Compress While Preserving Transparency
Compress While Preserving Transparency with Pictobank: keep alpha in WebP output. The WebP output policy preserves alpha and does not add a background. The supplied family sample and your own supported images run through the canonical compress executor.
Compress While Preserving Transparency
Choose the sample or your image to start a live preview.


- Original
- Measured on activation
- Output
- WebP
- Dimensions
- 1600×1067 · unchanged
Start the live previewChoose a source to unlock these settings.
Image source and license
- Provider/source
- Unsplash
- License
- Unsplash License ↗
Copyright remains with the respective creator. The supplied file did not include reliable creator or original-photo attribution, so Pictobank does not invent it.
Open source link ↗How this configured task works
keep alpha in WebP output. Process the visible sample or your own image before continuing to the exact full-tool setup.
- 01
Add the family sample or your image
Use a supported static image for this keep alpha in WebP output.
- 02
Review the configured behavior
The WebP output policy preserves alpha and does not add a background.
- 03
Process and inspect the result
The measured output, warnings, and limitations come from the active canonical executor.
Know the boundaries before processing
Results depend on source pixels, browser support, format behavior, and the visible settings.
!An opaque source does not become transparent.
!Only supported static JPEG, PNG, WebP, and AVIF inputs are accepted; animated content is outside this page.
Use this setup deliberately
The configured page keeps its output policy and follow-on workflow visible.
✓The WebP output policy preserves alpha and does not add a background.
✓Use this page when you need to keep alpha in WebP output.
✓Keep the original source separately when the derivative is destructive.
Questions about Compress While Preserving Transparency
What does Compress While Preserving Transparency change?+
The WebP output policy preserves alpha and does not add a background.
What should I check before using Compress While Preserving Transparency?+
An opaque source does not become transparent.
Does the example replace my original?+
No. Pictobank creates a derivative output; keep your source separately when you need an untouched master.