# pdf2djvu vs djvudigital

djvudigital, a part of DjVuLibre, is another PDF to DjVu converter. The list below outlines some differences between the converters.

# Superiorities of djvudigital

- djvudigital uses a sophisticated layer seperation algorithm. pdf2djvu uses a simple one.
- djvudigital is typically much faster than pdf2djvu.
- djvudigital can convert PostScript files, too.

# Superiorities of pdf2djvu

- djvudigital internally relies on a Ghostscript driver, which has a license incompatibility issue. pdf2djvu is not affected by any license problem.
- djvudigital cannot extract hidden text.
- djvudigital cannot extract document metadata.
- For some documents, djvudigital cannot extract document outline. See the bug report for details.
- djvudigital cannot produce indirect multi-page document by itself.
- djvudigital always uses lossless compression for monochrome images.
- With djvudigital, there is no obvious way to convert only some pages of a document.
- With djvudigital, there is no way to customize page identifiers.