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MP4 to BIK - Online Video Converter
Convert MP4 to BIK online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MP4 to BIK
Drop MP4 video here or click to select
MP4
BIK (H.264 / AAC)
About MP4 to BIK
Convert MP4 to BIK. MP4 pairs H.264 video with AAC audio in the ISO base media container. BIK is RAD's game-video format pairing Bink video with Bink audio. Game-rip headers can confuse players; remuxing usually repairs them..
Why convert MP4 to BIK?
- Smaller files with BIK lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
MP4 vs BIK
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | MP4 pairs H.264 video with AAC audio in the ISO base media container. | BIK is RAD's game-video format pairing Bink video with Bink audio. |
When not to convert MP4 to BIK
- Skip BIK for archival masters: lossy compression discards detail, so keep the MP4 original.
- Keep a master copy: repeated exports stack small losses, so archive MP4 before batch BIK shares.
Limits
Starting point: MP4 - H.264 video with AAC audio in one file. H.264 has no alpha channel, so transparency is dropped. Game-rip headers can confuse players; remuxing usually repairs them. Encode BIK (H.264 / AAC) from MP4 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 MP4 to BIK?
Drop your MP4 file onto this page, choose quality and codec settings, then click Convert. The result downloads as BIK instantly. All processing runs in your browser.
What codec is used for BIK?
The default codec for BIK is H.264 / AAC. 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.