Comparing different codecs for intra frame encoding only 444p10 @ 4k.

Comparing different codecs for intra frame encoding only, so no compression from frame to frame, ideal if you need to quickly seek to a frame for fast playback. This include HTJ2K, H264 (Gop 1), DNxHD, Prores_ks, OpenAPV.

Test Data

This allows you pick which media was encoded, and then compare the results of the encode. What you are looking at is a YCrCb diff x20 which allows you to see significant differences. See Instructions for usage.

Media Selection	Show YCrCb Difference between Source and encoded media.
Left Image	Right Image

Zoom:

80%

How to Use:

Select two images/videos from the dropdowns or upload your own files
Drag the white divider left and right to compare different parts of the media
Use the zoom slider to zoom in/out of both media simultaneously
Use mouse wheel over the comparison area to zoom in/out quickly
Click and drag within the comparison area to pan around zoomed media
For videos: use the time slider to scrub through footage and play/pause button
Media is automatically centered and scaled to fit the comparison area