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WebM to ROQ - Online Video Converter
Convert WebM to ROQ online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert WebM to ROQ
Drop WebM video here or click to select
WebM
ROQ (RoQ Video / RoQ Audio)
About WebM to ROQ
Convert WebM to ROQ. WebM pairs VP9 video with Opus audio and supports an alpha channel. RoQ is id Software's game-video format from Quake-era cinematics. Low frame rates stay low; do not expect motion smoothing..
Why convert WebM to ROQ?
- Smaller files with ROQ lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
WebM vs ROQ
| Animation | Yes | Yes |
|---|---|---|
| Transparency | Yes | No |
| Compression | lossy | lossy |
| Typical use | WebM pairs VP9 video with Opus audio and supports an alpha channel. | RoQ is id Software's game-video format from Quake-era cinematics. |
When not to convert WebM to ROQ
- Skip ROQ for archival masters: lossy compression discards detail, so keep the WebM original.
- Flatten transparency first: ROQ has no alpha channel, so composite WebM over a background color.
Limits
Starting point: WebM - VP9 video with Opus audio and alpha support. Apple editors accept it unevenly; keep MP4 for editing round-trips. Low frame rates stay low; do not expect motion smoothing. Encode ROQ (RoQ Video / RoQ Audio) from WebM at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert WebM to ROQ?
Drop your WebM file onto this page, choose quality and codec settings, then click Convert. The result downloads as ROQ instantly. All processing runs in your browser.
What codec is used for ROQ?
The default codec for ROQ is RoQ Video / RoQ Audio. You can change the video and audio codec in Advanced mode.
How do you store my files?
We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.