QT to AVI - Online Video Converter
Convert QT to AVI online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About QT to AVI
Convert QT to AVI. QT is the original QuickTime extension behind Apple's MOV container. AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. Old codecs inside may need transcoding before modern players open them..
Why convert QT to AVI?
- Smaller files with AVI lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
QT vs AVI
| Animation | Yes | Yes |
|---|---|---|
| Transparency | Yes | No |
| Compression | lossy | lossy |
| Typical use | QT is the original QuickTime extension behind Apple's MOV container. | AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. |
When not to convert QT to AVI
- Skip AVI for archival masters: lossy compression discards detail, so keep the QT original.
- Flatten transparency first: AVI 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. Old codecs inside may need transcoding before modern players open them. Encode AVI (MPEG-4 / MP3) 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.