Follow these PDF specifications to ensure your digital publication looks as good as the PDF you uploaded:
File Details
- Maximum PDF file-size of 300MB
- PDF is not "secured"
- PDF is a .pdf file
Page sizing
- Pages cropped to size, no visible cutting lines
- Consistent page size & dimensions
- If using spreads, each page must be the same size
Images & Colours
- Minimum resolution of 180 DPI (considering pages are at least A4 or Letter size)
- RGB color encoding
- No hidden layers (e.g. No old text layers with other objects placed above)
- Avoid complex vector images, they can cause PDF conversion to fail
Fonts
- Embed all fonts in the PDF
- Text should be intact & vector
- No outlines or bitmaps. (You should be able to highlight & copy the text on the PDF file)