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Optimize WebM to WebP

Optimize Your WebM to WebP documents quickly

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How to convert a WebM to WebP file online

To convert a WebM to webp, drag and drop or click our upload area to upload the file

Our tool will automatically convert your WebM to WebP file

Then you click the download link to the file to save the WebP to your computer

WebM to WebP Optimization FAQ

How short / long should my WebM clip be for a good WebP?
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Animated WebP is best for clips under 10 seconds. Longer than that and the file balloons for GIF (which is uncompressed per frame). For longer animations target animated WebP, AVIF, or APNG — all three compress similarly to a real video codec.
GIF: 2-8 MB at 480p depending on motion complexity. Animated WebP: 200 KB to 1 MB at the same resolution. Animated AVIF: even smaller, often 100-500 KB. WebP / AVIF are 5-10x more efficient than GIF — use them whenever the platform you ship to supports them.
No — animated WebP formats (GIF, WebP, AVIF, APNG) do not store an audio track. If you need sound, target a video format (MP4, WebM) instead of WebP.
Yes. The Loop setting makes the WebP repeat forever (the default) or play once and stop. There is no setting for a specific number of repeats. The loop flag is stored in the file, and most viewers respect it.
Two common causes: frame-rate downsampling (15 fps GIF vs 30 fps source — fix with the frame-rate option) and palette quantization on GIF (only 256 colors per frame — switch to animated WebP or AVIF for full 24-bit color and smooth gradients).
Yes. Uploaded WebM files are processed on our own conversion servers, no person reviews them, and they are never shared. The upload and the converted WebP are both deleted automatically about 24 hours after the conversion, which leaves time to download the result. See /privacy/ for the full policy.
It depends on the size and length of the file. Small documents and images are usually ready quickly. Long videos take the longest, because most video conversions re-encode every frame.
Animated GIF supports single-color transparency only (binary mask). Animated WebP, AVIF, and APNG support full alpha channels. WebM sources without an alpha channel (most camera footage) produce fully-opaque WebP regardless of format.
Animated GIF plays everywhere. Animated WebP plays on Twitter, Discord, and every modern browser but not on iMessage or older Slack clients. AVIF support is growing but still patchy on chat apps. For maximum compatibility ship GIF; for size ship WebP.

file-document Created with Sketch Beta.

WebM is designed for the web, offering royalty-free video streaming with VP8/VP9 codecs.

file-document Created with Sketch Beta.

WebP provides superior lossless and lossy compression for images on the web, developed by Google.

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