Help center
Grayscale— help & troubleshooting
Black & white for printing.
Open Grayscale →- Grayscale troubleshooting: password errors, lost text, bigger files, and colour that staysFixes for the most common problems when converting a PDF to black and white in AttachKit: password-protected files, text that stops being selectable, output files that grow, blurry pages, and slow conversions.
- How to convert a PDF to grayscale (black & white) in your browserTurn a colour PDF black and white to save ink on mono printers and faxing, entirely in your browser with no upload — and know the one trade-off (text becomes part of the page image) before you start.