CRF

No matter which codec you end up using, there's always a tradeoff between file size and video quality. You can control it by setting the CRF (Constant Rate Factor). The lower the number, the better the quality, the higher the number, the smaller the file is – of course at the cost of quality.

CLI flag

--crf <value>

The following CLI commands accept this option:

• remotion studio
• remotion render
• remotion benchmark
• remotion lambda render
• remotion cloudrun render

APIs that have this option

The following APIs accept this option:

• renderMediaOnCloudrun()
• renderMediaOnLambda()
• renderMedia()
• stitchFramesToVideo()

Config file

remotion.config.ts
Config.setCrf(16);

See also

• All options