File Extension — Prores
Example FFmpeg command (ProRes 422 HQ, 10-bit, .mov output):
ProRes files have several advantages, including:
(part of FFmpeg):
Elena leaned back in her chair, exhausted. She created a new preset in her software, labeling it . She made a mental note to start using the .prores extension for her personal archives, if only to save herself the heart attack next time.
ProRes 422 Proxy: The smallest file size, used for offline editing on older or slower computers.ProRes 422 LT: A balance between size and quality, good for rough cuts and news workflows.ProRes 422: The standard for high-quality editing where storage space is still a consideration.ProRes 422 HQ: The industry standard for high-definition video, offering virtually lossless quality.ProRes 4444: Includes an alpha channel for transparency, essential for motion graphics and VFX.ProRes 4444 XQ: The highest possible quality for high-end digital cinematography and color grading. Compatibility and Usage prores file extension
ffmpeg -i input.mp4 -c:v prores_ks -profile:v 3 -pix_fmt yuv422p10le output.mov
| Attribute | Detail | |-----------|--------| | | .mov (primary), .mxf (rare) | | Developer | Apple Inc. | | Type | Intermediate / mezzanine codec | | Compression | Intra-frame, constant bitrate | | Bit depth | 10-bit or 12-bit | | Chroma | 4:2:2 or 4:4:4 | | Alpha support | Only 4444 variants | | Hardware acceleration | Apple Silicon, some GPUs | | Best for | Editing, VFX, mastering | | Not for | Web streaming, archival without transcoding | Example FFmpeg command (ProRes 422 HQ, 10-bit,
Depending on your project needs, you might use different "flavors" of ProRes, all of which will still share that .mov file extension:
Right-click → Get Info → "Codecs" section. ProRes 422 Proxy: The smallest file size, used
The file extension was just a label, she realized. But in a world of ones and zeros, that label was the only thing standing between a masterpiece and a blurry mess.
Elena uploaded the correct file. The progress bar crawled this time, validating the massive data rate of the ProRes codec.
