User guide

Advanced tools

Automation#

Automate#

Chain several tools into a workflow you can save and run again. See Automate.

Auto Rename PDF File#

Renames a PDF from the title found near the start of the document. Run OCR on scans first.

Advanced Formatting#

Adjust Colors/Contrast#

Adjust contrast, brightness and saturation, and the red, green and blue levels, with a live preview.

Replace & Invert Color#

Under Color operation, choose:

  • High contrast - a preset such as white text on black or yellow text on black.
  • Custom - pick your own text and background colours.
  • Invert all colors - a negative of the page, for example for a dark-mode copy.
  • Convert to CMYK - converts colours for professional printing.

Detect & Split Scanned Photos#

Finds each photo on a scanned page and saves it as a separate image. Scan on a plain, light background with a small gap between photos.

Overlay PDFs#

Lays the pages of one or more overlay PDFs over a base PDF.

  1. Under Select Overlay PDF Files, add the overlay PDFs.
  2. Under Select Overlay Mode, choose:
    • Sequential Overlay uses pages from the first overlay until it ends, then the next.
    • Interleaved Overlay takes one page from each overlay in turn.
    • Fixed Repeat Overlay takes a set number of pages from each overlay. Enter the numbers under Overlay Counts (for Fixed Repeat Mode).
  3. Under Select Overlay Position, choose Foreground or Background.

Repair#

Tries to fix a corrupt or damaged PDF, for example one that won't open.

Developer Tools#

Show Javascript - lists any JavaScript embedded in a PDF.