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PNG to WebP Online Free — PrivaTools

TL;DR: Upload your file, click PNG, and download the result — free, browser-based, no sign-up, no watermarks. Files are processed and discarded immediately.

Convert PNG to WebP online for free — convert lossless PNGs to WebP for dramatically smaller files while keeping transparency. Ideal for web assets and icons.

PNG to WebP is one of 179+ free file utilities on PrivaTools. The entire stack is open source under the MIT license, so the privacy guarantees can be audited end-to-end. You can also run all 179 tools on your own infrastructure with one docker compose command.

How to Use PNG to WebP

  1. Upload a PNG — Drop a PNG — transparency is preserved in the WebP output.
  2. Convert and download — Click Convert. The result is a WebP that is usually 60–80% smaller than the source PNG.

Frequently Asked Questions

Why convert PNG to WebP?

Lossless WebP is typically 25% smaller than PNG; lossy WebP is dramatically smaller. Either way, you save bandwidth — useful for web assets, icons, and product images.

Is transparency preserved?

Yes. WebP supports an alpha channel exactly like PNG, so transparent areas come through unchanged.

When should I stay with PNG?

If you need maximum compatibility with very old software, PDF generators, or print pipelines — PNG is supported everywhere.

Last reviewed 2026-05-01 by the PrivaTools maintainers. Source code on (MIT-licensed, self-hostable).

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