mupdf/docs/reference/common/pdf-write-options.md
These are the common options to functions that write PDF files.
decompress : Decompress all streams (except compress-fonts/images)
compress : Compress all streams. Bi-level images are compressed with CCITT Fax and generic data is compressed with flate.
compress=flate : Compress streams with Flate (default).
compress=brotli : Compress streams with Brotli (WARNING: this is a proposed PDF feature)
compress-fonts : Compress embedded fonts
compress-images : Compress images
compress-effort=0|percentage : Effort spent compressing, 0 is default, 100 is max effort
ascii : ASCII hex encode binary streams
pretty : Pretty-print objects with indentation
labels : Print object labels
linearize : Optimize for web browsers (no longer supported!)
clean : Pretty-print graphics commands in content streams
sanitize : Sanitize graphics commands in content streams
garbage : Garbage collect unused objects
garbage=compact : Garbage collect unsued objects, and compact cross reference table
garbage=deduplicate : Garbage collec unused objects, compact cross reference tables, and remove duplicate objects
incremental : Write changes as incremental update
objstms : Use object streams and cross reference streams
appearance=yes|all : Synthesize just missing, or all, annotation/widget appearance streams
continue-on-error : Continue saving the document even if there is an error
decrypt : Write unencrypted document
encrypt=rc4-40|rc4-128|aes-128|aes-256 : Write encrypted document
permissions=NUMBER : Document permissions to grant when encrypting
user-password=PASSWORD : Password required to read document
owner-password=PASSWORD : Password required to edit document
regenerate-id : Regenerate document id (default yes)