WebM Viewer
Preview WebM files live in your web browser
Designate your files
Drop your files here for web-optimized processing
*Files deleted after 24 hours
WebM Viewer: How to use the WebM player
1. To play your WebM files, drag and drop or click our select area to play your files
2. Your files will show in queue
3. Our tool will automatically play the first file in the list
4. You can click any item in your playlist.
WebM Viewer FAQ
How do I play a WEBM file in my browser?
Drop your WEBM file onto the player. When your browser can decode WEBM, it plays right away with no plugin; when it cannot, the page says so and links to a converter.
Which video and audio codecs inside WEBM are supported?
The player uses your browser's native decoders, so common WEBM codecs (H.264/AVC, and where the browser supports it H.265/HEVC, VP9, or AV1) play directly.
Does the WEBM player support multiple audio tracks?
No. The player has no audio track selector; it plays the track your browser picks, usually the first one.
Can I load subtitles with a WEBM video?
No. The player has no option to load SRT or VTT subtitle files.
Why does my WEBM video play but have no sound?
Usually the WEBM file uses an audio codec your browser can't decode (e.g. certain AC-3/DTS tracks). Convert the audio track or the whole WEBM to a web-friendly codec.
Is my WEBM file uploaded anywhere?
No. Your WEBM file is decoded locally in the browser and never leaves your device.
Does the WEBM player work on mobile?
It works in mobile browsers that can decode WEBM and the codecs inside it. Where a browser cannot, the page says so and links to a converter.
Can I seek and scrub through a large WEBM file smoothly?
Yes. WEBM stores seek indexes, so the player can jump to any point quickly even in long, high-bitrate files.
Can I adjust playback speed for WEBM?
The player has no playback speed control of its own. Your WEBM file is never changed.
My WEBM file won't play at all — what should I check?
Confirm the WEBM isn't using an exotic codec your browser lacks. Converting the WEBM to H.264/AAC MP4 maximizes compatibility.
Do I need an account or app to play WEBM?
No. The WEBM player is free, installs nothing, and works immediately in the browser.
Can I convert or compress WEBM here?
Yes. After previewing you can compress, trim, or convert your WEBM to MP4, MKV, WebM, MOV, and more.
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