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MP4 to QT (MOV) - Online Video Converter
Convert MP4 to QT (MOV) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MP4 to QT (MOV)
Drop MP4 video here or click to select
MP4
QT (MOV) (H.264 / AAC)
About MP4 to QT (MOV)
Convert MP4 to QT (MOV). MP4 pairs H.264 video with AAC audio in the ISO base media container. QT (MOV) is the legacy QuickTime alias kept for older editing projects. Legacy codecs inside may need transcoding before playback..
Why convert MP4 to QT (MOV)?
- Smaller files with QT (MOV) lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
MP4 vs QT (MOV)
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | Yes |
| Compression | lossy | lossy |
| Typical use | MP4 pairs H.264 video with AAC audio in the ISO base media container. | QT (MOV) is the legacy QuickTime alias kept for older editing projects. |
When not to convert MP4 to QT (MOV)
- Skip QT (MOV) 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 QT (MOV) shares.
Limits
Starting point: MP4 - H.264 video with AAC audio in one file. H.264 has no alpha channel, so transparency is dropped. Legacy codecs inside may need transcoding before playback. Encode QT (MOV) (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 QT (MOV)?
Drop your MP4 file onto this page, choose quality and codec settings, then click Convert. The result downloads as QT (MOV) instantly. All processing runs in your browser.
What codec is used for QT (MOV)?
The default codec for QT (MOV) 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.