MOBI Won't Open? Convert to PDF Instantly
Fast, instant MOBI to PDF conversion. No signup required. Just drop your .mobi file and get .pdf in seconds.
Batch Settings
Some metadata may not survive
Your MOBI file may contain MOBI header, PDB records metadata. PDF has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
Besoin de transformer un fichier MOBI en PDF ? Que vous soyez un professionnel gérant des archives numériques, un étudiant préparant une publication académique, ou simplement un lecteur souhaitant une meilleure compatibilité pour ses documents, la conversion de MOBI vers PDF est une étape souvent indispensable. Le format MOBI, bien que pratique pour la lecture sur certains appareils dédiés, manque de l'universalité et de la mise en page fixe qu'offre le PDF. Ce dernier garantit que votre document conservera son apparence originale, quel que soit l'appareil ou le logiciel utilisé pour l'ouvrir. Notre outil de conversion est conçu pour vous offrir un processus fluide et précis, préservant la qualité de votre contenu tout en vous offrant la polyvalence du format PDF. Simplifiez vos partages et assurez l'intégrité visuelle de vos textes avec notre solution.
- Archivage de documents administratifs (France)
- Soumission d'articles académiques (Belgique, Suisse)
- Partage de portfolios de design (Québec)
En France, en Belgique et au Québec, le PDF est le standard de facto pour les documents officiels et les soumissions académiques, rendant cette conversion essentielle pour la conformité et la compatibilité inter-organisations. En Suisse, la neutralité du format PDF est particulièrement appréciée dans les échanges intercantonaux.
About MOBI to PDF Conversion
Dealing with a MOBI file that won't open on your device? You're not alone — MOBI compatibility issues are one of the most common reasons people search for a file converter. MOBI is Amazon's Kindle e-book format — widely used for distributing Kindle books.
The fix is simple: convert your MOBI to PDF. PDF (Portable Document Format) preserves layout, fonts, and graphics across every device and operating system. This conversion lets you improve file compatibility across devices, solving the problem in seconds rather than hours of troubleshooting.
Full Name: MOBI uses Mobipocket eBook, while PDF uses Portable Document Format. Compression: MOBI uses Lossless, while PDF uses Lossy & Lossless. Typical File Size: MOBI uses 1–10 MB, while PDF uses 100 KB–50 MB (depends on embedded graphics). Converting MOBI to PDF maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your MOBI file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you Your MOBI file won't open on a recipient's device or in an application, or when you A website, service, or platform only accepts PDF uploads.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert MOBI to PDF
- 1
Add your MOBI file
Drag and drop your .mobi file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick PDF output
Select .pdf as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The ebook engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .pdf file. For batch jobs, download all at once as a zip.
What Happens When You Convert MOBI to PDF
Your MOBI file is decoded and re-encoded as PDF.
Your MOBI file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in PDF format with optimal settings
The converted file is ready for download
MOBI vs PDF — Detailed Comparison
| Feature | .MOBI | |
|---|---|---|
| Full Name | Mobipocket eBook | Portable Document Format |
| Compression | Lossless | Lossy & Lossless |
| Typical File Size | 1–10 MB | 100 KB–50 MB (depends on embedded graphics) |
| Platform Support | Limited | Universal |
| Browser Support | none | Universal |
| Year Created | 2000 | 1993 |
| Open Standard | No | Yes |
Should You Convert MOBI to PDF?
When to Convert
- ✓You need just the audio track from a video recording
- ✓You're creating a podcast or audio file from video content
- ✓You need a file that works in web browsers
- ✓You need maximum device and software compatibility
Frequently Asked Questions
Why won't my MOBI file open?
MOBI files may not open if your device lacks the right codec or application. Converting to PDF — a more widely supported format — usually resolves this. PDF (Portable Document Format) preserves layout, fonts, and graphics across every device and operating system.
Is it safe to convert MOBI to PDF online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting MOBI to PDF?
Converting MOBI to PDF maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my MOBI file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert MOBI to PDF on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.