Requires Ghostscript (gs) on server. Will attempt Imagick fallback when available.
Uses Imagick if installed. Output is a zip of images.
Best-effort: uses Ghostscript (gs) if available.
Will split into separate PDF pages. Uses Ghostscript or Imagick if available.
Pure-PHP GD fallback included — works on most shared hosting.
Uses FPDF (embedded). Works without Imagick.