BIK to NUT - Online Video Converter

Convert BIK to NUT online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert BIK to NUT

[+] Drop BIK video here or click to select BIK

Output format

NUT (H.264 / AAC)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About BIK to NUT

Convert BIK to NUT. BIK is RAD's game-video format pairing Bink video with Bink audio. NUT is FFmpeg's research container built for seeking and error recovery. Few players open it, so convert for sharing..

Why convert BIK to NUT?

Smaller files with NUT lossy compression.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

BIK vs NUT

Animation	Yes	Yes
Transparency	No	No
Compression	lossy	lossy
Typical use	BIK is RAD's game-video format pairing Bink video with Bink audio.	NUT is FFmpeg's research container built for seeking and error recovery.

When not to convert BIK to NUT

Skip NUT for archival masters: lossy compression discards detail, so keep the BIK original.
Keep a master copy: repeated exports stack small losses, so archive BIK before batch NUT shares.

Limits

Starting point: BIK - BIK is RAD's game-video format pairing Bink video with Bink audio. Game-rip headers can confuse players; remuxing usually repairs them. Few players open it, so convert for sharing. Encode NUT (H.264 / AAC) from BIK 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 BIK to NUT?

Drop your BIK file onto this page, choose quality and codec settings, then click Convert. The result downloads as NUT instantly. All processing runs in your browser.

What codec is used for NUT?

The default codec for NUT 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.