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QT to DAT - Online Video Converter
Convert QT to DAT online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert QT to DAT
Drop QT video here or click to select
QT, MOV
DAT (MPEG-2 / MP2)
About QT to DAT
Convert QT to DAT. QT is the original QuickTime extension behind Apple's MOV container. DAT is the Video-CD sector dump wrapping MPEG-1 streams. Rip sector headers first; raw sector dumps may fail to open..
Why convert QT to DAT?
- Smaller files with DAT lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
QT vs DAT
| Animation | Yes | Yes |
|---|---|---|
| Transparency | Yes | No |
| Compression | lossy | lossy |
| Typical use | QT is the original QuickTime extension behind Apple's MOV container. | DAT is the Video-CD sector dump wrapping MPEG-1 streams. |
When not to convert QT to DAT
- Skip DAT for archival masters: lossy compression discards detail, so keep the QT original.
- Flatten transparency first: DAT has no alpha channel, so composite QT over a background color.
Limits
Starting point: QT - QT is the original QuickTime extension behind Apple's MOV container. Same container as MOV under the older extension name. Rip sector headers first; raw sector dumps may fail to open. Encode DAT (MPEG-2 / MP2) from QT 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 QT to DAT?
Drop your QT file onto this page, choose quality and codec settings, then click Convert. The result downloads as DAT instantly. All processing runs in your browser.
What codec is used for DAT?
The default codec for DAT is MPEG-2 / MP2. 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.