X265-man Apr 2026

: You can choose from ten predefined presets (from ultrafast to veryslow ) that trade encoding speed for compression efficiency. The default is medium . Rate Control :

: For archiving where no data loss is acceptable, you can use the --lossless option. x265-man

: The default and recommended method for high-quality encoding. Values usually range from 0–51, where lower values mean higher quality. : You can choose from ten predefined presets

For a complete technical deep-dive into every available flag, you can view the official x265 documentation or run x265 --help in your terminal. x265 - EasyBuild - building software with ease : The default and recommended method for high-quality

The x265 manual outlines several critical parameters to balance speed and quality:

: Supports Main, Main 10, and Main 12 profiles, allowing for 8-bit or 10-bit HDR video. Common Command Examples