How to Fix PDF Font Embedding Errors for Amazon KDP
Question details
Amazon KDP is rejecting a PDF manuscript because it contains missing, substituted, or repeatedly embedded fonts, and standard methods like printing to PDF are not resolving the issue.

- Product
- Device & OS
- not provided
- Scenario
- Uploading a scanned or edited manuscript PDF to Amazon KDP for book publishing.
- Observed behavior
- Amazon KDP blocks the file upload due to font embedding errors, and attempting to fix it by "Printing to PDF" only creates additional font instances without actually embedding the missing fonts.
Verify that you have the proper commercial licensing rights to embed the problematic fonts, and try to locate the original source document (e.g., Word or InDesign) if possible, as exporting directly from the source is the most reliable fix.
Use Adobe Acrobat Pro Preflight to Embed Missing Fonts
Utilize the Preflight tool in Acrobat Pro to analyze the document and embed any missing fonts directly into the existing PDF, provided the font licenses allow it.
If you do not have access to the original source file, you must fix the existing PDF using professional prepress tools. Adobe Acrobat Pro includes a Preflight feature specifically designed to correct standard print errors, including missing font data.
Open your problematic PDF document in Adobe Acrobat Pro. Go to 'Tools' in the upper menu, select 'Print Production', and then click on 'Preflight'.
In the Preflight dialog box, click on the 'Fixups' icon (the blue wrench). Search for or locate the 'Document' or 'PDF fixups' group, and select 'Embed missing fonts'.
Click the 'Analyze and fix' button at the bottom right. Acrobat will prompt you to save a new copy of the PDF.
Save the newly generated PDF and carefully review the text to ensure no characters shifted or disappeared. Upload this new file to Amazon KDP to verify it passes the font check.

Embed Fonts from the Original Source Application
The most effective way to eliminate PDF font errors is to ensure fonts are fully embedded during the initial export from your word processor or design software.
Easily Export KDP-Compatible PDFs with Embedded Fonts
If you are struggling with complex prepress tools or missing fonts in your current software, WPS Office Writer offers a streamlined way to format your manuscript and export it directly as a standard, KDP-compatible PDF with all fonts properly embedded.
- 1. Open Your Manuscript: Launch WPS Office and open your original manuscript file (.docx or .doc) in WPS Writer.
- 2. Select Export to PDF: Click on 'Menu' in the top-left corner of the screen and select 'Export to PDF' from the drop-down list.
- 3. Configure PDF Settings: In the export dialog, ensure the export quality is set to 'Common PDF' or 'Picture PDF' depending on your layout needs. Standard export will handle necessary font mapping.
- 4. Export and Upload: Click the 'Export to PDF' button, save the file to your computer, and seamlessly upload it to Amazon KDP without missing font errors.

Frequently Asked Questions
Why does Amazon KDP strictly require fonts to be embedded?
Amazon KDP requires embedded fonts so that your book prints exactly as you designed it. If a font is not embedded, the commercial printer will substitute it with a default font, which can ruin your book's layout, pagination, and aesthetics.
Does using 'Print to PDF' fix missing font errors?
No. Printing an existing PDF to a new PDF via system print dialogs often duplicates font instances or flattens text without properly embedding the original licensed fonts. It usually worsens the file structure for KDP validation.
What if Acrobat Pro says a specific font cannot be embedded due to licensing?
If a font has embedding restrictions set by its creator, prepress tools cannot bypass this. You must open the original source document and replace the restricted font with an open-source or commercially licensed alternative, then re-export the PDF.
Can I use Enfocus PitStop Pro instead of Acrobat Pro Preflight?
Yes, Enfocus PitStop Pro is a highly advanced prepress tool that operates as an Acrobat plugin. It has specific action lists dedicated to checking and fixing font embedding and substitution issues, making it an excellent alternative for complex KDP rejections.




