Kindle Direct Publishing (KDP) fails to convert manuscript PDFs larger than 650MB. Compress your book PDF here before uploading to avoid conversion errors.
🔒 Files never leave your device⚡ Instant processing in browser💸 100% free — no signup
📄
Drop your PDF here to fix upload errors
or click to select file — PDF only
Target size (optional)
targeting 650 MB
⚡ Kindle Direct Publishing File Size Limits (Quick Fix)
•KDP manuscript PDFs larger than 650MB will fail to convert — files must be under 650MB for successful upload.
👉 Fix: Compress your file below 650 MB using the tool above.
About this tool
KDP converts your PDF into a Kindle eBook or print-ready file. Files over 650MB will fail at the conversion stage. All images should be at least 300 DPI, fonts must be fully embedded, and the PDF must not be encrypted or locked.
How to use this tool
Select or drag and drop your file into the tool above.
Adjust the settings or target size as needed for your specific requirement.
Wait a moment while your file is processed directly in your browser.
Download the final file safely to your device.
💡 Good to know
→KDP manuscript PDFs larger than 650MB will fail to convert — files must be under 650MB for successful upload.KDP Help ↗
→All images in a KDP PDF should be at least 300 DPI for acceptable print and eBook quality.KDP Help ↗
→Fonts must be fully embedded in the PDF before exporting to KDP — unembedded fonts may render incorrectly.KDP Help ↗
→KDP PDFs must not be locked or encrypted. Password-protected files will be rejected.KDP Help ↗
→Crop marks, trim marks, bookmarks, and comments should be removed from the PDF before uploading to KDP.KDP Help ↗
What is the maximum PDF size for Kindle Direct Publishing?+
650MB. Manuscript PDFs larger than 650MB will fail to convert on KDP. Compress your PDF below this limit before uploading.Source: KDP Help ↗
Why does my KDP PDF fail to convert?+
The most common causes are: file size over 650MB, encrypted or locked PDF, unembedded fonts, or images below 300 DPI. Compress the file and ensure fonts are embedded before re-uploading.Source: KDP Help ↗
What DPI should images be in a KDP PDF?+
At least 300 DPI for acceptable quality in both print and eBook formats. Lower resolution images may appear blurry in the final published book.Source: KDP Help ↗
Does KDP accept encrypted PDFs?+
No. PDFs must be unencrypted and unlocked. Remove any password protection before uploading to KDP.Source: KDP Help ↗
🔒 Files stay on device·🆓 Free forever·📵 No signup required