Apple ProRes is a family of high-quality video codecs designed for editing, production, and post-production rather than tiny streaming files.
Video editing codec

What Is

Apple
ProRes?

Apple ProRes is a family of high-quality video codecs designed for editing, production, and post-production rather than tiny streaming files.

Beginner-friendly • Practical examples • Plain English
ProRes • Editing • Video

TL;DR

ProRes is compressed, but lightly compared with delivery codecs.

It is designed for editing performance and quality.

ProRes files are much larger than typical H.264 or H.265 delivery files.

What ProRes is used for

ProRes is used in video production when editors need smooth playback, strong image quality, and files that can handle grading and repeated editing better than highly compressed delivery formats.

Why ProRes files are large

ProRes keeps much more image information than typical web delivery codecs. That makes files larger, but easier to edit and less fragile in post-production.

ProRes vs H.264

CodecBest forFile size
ProResEditing, mastering, production handoffLarge
H.264Uploading, streaming, sharing, playbackSmall to medium

Frequently asked questions

What is ProRes used for?

ProRes is used for video editing, post-production, mastering, and high-quality production handoff.

Is ProRes compressed?

Yes. ProRes is compressed, but it is much less aggressively compressed than typical delivery codecs like H.264.

Why are ProRes files so large?

ProRes files are large because the codec preserves more image information for editing quality and performance.

Is ProRes better than H.264?

For editing, ProRes is often better. For sharing and streaming, H.264 is usually smaller and more compatible.

Should I export ProRes or MP4?

Export ProRes for production handoff or mastering. Export MP4 for general sharing, streaming, and playback.