To convert PDF to MOBI, select or drop your .pdf file above, check that MOBI is chosen as the output, and click Convert. This conversion runs on our server, and your files are deleted 72 hours later.
What is a PDF file?
PDF – PDF document. PDF is the document format that looks the same on every device: it fixes where each letter and picture goes on a page. It is made for reading and printing, not for editing.
PDF Converter →What is a MOBI file?
MOBI – Mobipocket e-book. MOBI is the e-book format of Mobipocket, once the format of Kindle e-readers. Older Kindles open it; newer ones prefer EPUB or AZW3. Books bought in a store often have DRM, which stops them from being converted.
MOBI Converter →How to convert PDF to MOBI
- Click Select File, or drop your .pdf files anywhere on this page. You can add several at once.
- Check that MOBI is chosen as the output format. On this page it is picked for you.
- Click Convert. When a file has to go to our server, the button says Upload and convert instead.
- Click Download next to each file when it's done.
PDF vs MOBI: how they compare
| MOBI | ||
|---|---|---|
| Layout | Fixed pages | Flowing text |
| Editable | Hard | With e-book tools |
| Created by | Adobe, 1993 | Mobipocket, 2000 |
| Best for | Sharing and printing documents | Older Kindle devices |
Good to know
- A PDF has fixed pages, not paragraphs, so the e-book may break lines where the PDF did. Documents that began as Word files or text give far better e-books.
Frequently asked questions
Is converting PDF to MOBI free?
Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.
Are my PDF files uploaded anywhere?
This conversion runs on our server, because making e-books needs calibre, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.
How large can the PDF file be?
Up to 1 GB per file. This conversion runs on our server, which accepts files up to that size.
Will the MOBI look the same as the PDF?
The text and structure are kept: headings, lists, tables, bold and italic. Exact page layout, fonts and spacing may differ, because MOBI is flowing text, not fixed pages.
Can I convert several PDF files at once?
Yes. Add as many files as you like; they are converted one after another, and each one gets its own Download button.
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