PDF to MOBI
Convert a PDF into MOBI format, compatible with older Kindle devices.
How to convert a PDF to MOBI online
Upload the PDF you want to convert
Drag your file or click to select it from your computer.
The server converts it with Calibre
Your PDF is uploaded to our server, where Calibre transforms it into MOBI format compatible with older Kindle devices.
Download your MOBI file
As soon as the conversion finishes, you download your eBook in MOBI format and the original PDF is deleted from the server.
Why convert PDF to MOBI on PDFDocks?
MOBI is the native format for older Kindle devices. Converting PDFs to MOBI makes them readable on Kindles with proper formatting and reflowing. PDFDocks converts server-side for best quality, preserving text and images while optimizing for Kindle display.
What Kindle devices support MOBI?
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Most Kindle devices from 2008-2021 support MOBI natively. Modern Kindles prefer EPUB or AZW3.
Will the PDF reflow on my Kindle?
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Yes. MOBI conversion optimizes layout for Kindle screens, allowing text to reflow.
Will images be included?
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Yes. Images from the PDF are embedded in the MOBI file.
Is my PDF private?
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Your file is processed on our secure servers. We don't retain documents.
How long does conversion take?
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Typically a few minutes, depending on PDF size.
Can I email the MOBI to my Kindle?
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Yes. Many Kindles support email delivery. Check your device's documentation.
Tools
EPUB to PDF
Convert your EPUB books into PDF, ready to print or read on any device.
PDF to EPUB
Turn a PDF into a reflowable EPUB book for e-readers.
MOBI to PDF
Convert your MOBI files into PDF so you can read them on any device.
AZW & AZW3 to PDF
Convert Kindle AZW or AZW3 books into PDF format.
PDF to AZW3
Convert a PDF into AZW3 format to read on your Kindle.
MOBI to EPUB
Convert your MOBI files into the more universal EPUB format.
EPUB to MOBI
Convert your EPUB books into MOBI format for Kindle.
AZW & AZW3 to EPUB
Convert your AZW or AZW3 files into EPUB format.
EPUB to AZW3
Convert your EPUB files into AZW3 format.
CBR & CBZ to PDF
Convert your CBR or CBZ files into PDF format.
CBR & CBZ to EPUB
Convert your CBR or CBZ files into EPUB format.
DJVU to PDF
Convert your DJVU files into PDF format.
TXT to PDF
Convert your TXT files into PDF format.
TXT to EPUB
Convert your TXT files into EPUB format.
RTF to PDF
Convert your RTF files into PDF format.
PDF to RTF
Convert your PDF files into RTF format.
RTF to EPUB
Convert your RTF files into EPUB format.
EPUB to RTF
Convert your EPUB files into RTF format.
FBZ to PDF
Convert your FBZ files into PDF format.
FBZ to EPUB
Convert your FBZ files into EPUB format.
FB2 to PDF
Convert your FB2 files into PDF format.
PDF to FB2
Convert your PDF files into FB2 format.
FB2 to EPUB
Convert your FB2 files into EPUB format.
EPUB to FB2
Convert your EPUB files into FB2 format.
