ANY → WEBM

Convert any video to WEBM

Drop any video file — get a WEBM file in your browser. Multiple files at once, no upload on the fast path.

4.8/5

9,214+ video files converted

From
To

WebM is a popular target for a reason: it is best for Web embedding, open source. This converter encodes straight to WebM in your browser, so even large libraries convert quickly and privately — nothing is sent to a server on the fast path.

For developers

Looking to programmatically convert any image to WEBM?

Same engine, available as a JSON API. Drop a file or URL via REST and get the converted video back — no browser, no UI, no rate limits on paid tiers.

  • Fast response on common video pairs

  • Webhook delivery for batch jobs

  • Dozens of video format pairs supported

Get free API access
Side-by-side

any image vs WEBM: how they compare

The numbers and capabilities at a glance, so you know what you're trading.

WebM

Year released
2010
Compression
VP9 (lossy)
Transparency
Yes (alpha)
Animation
Yes (video)
Browser support
Modern browsers
Best for
Web embedding, open source

Accepted inputs

  • AVI
  • MKV
  • MOV
  • MP4
Heads up

Heads up before converting to WebM

What this specific conversion changes about your video.

Lossless when the codecs already fit

If your any image uses codecs WEBM accepts, we remux (rewrap) it losslessly and instantly. A codec change re-encodes, which recompresses slightly.

Best practice

Best practices for WebM

Small choices that keep your output sounding right.

  • Play the WEBM result back before deleting your original any image.
  • Pick a preset (Web, Mobile, High quality) to balance size and quality for your WEBM.
Deep dive

The importance of a good video conversion

Why getting any image → WEBM right matters more than you think.

Convert any video to other formats

Convert other formats to WEBM