Format

Format: fm

The fm parameter is used to convert the image to a specified format. The following image formats are supported:

1. JPEG
2. PNG
3. GIF
4. WEBP
5. AVIF
6. JXL

Output quality: q

The q parameter controls the output quality of the image for lossy formats, including JPEG, WEBP, AVIF, and JXL. The valid values for q range from 0 to 100, with a default value of 75. If the Save-Data client hint is enabled, the value of q is set to 45.

The following quality strings are supported for quality hunting:

1. auto
2. auto:high
3. auto:med
4. auto:low