DOC vs MOBI — Comparison & Free Converter
Fast, instant DOC to MOBI conversion. No signup required. Just drop your .doc file and get .mobi in seconds.
Batch Settings
Some metadata may not survive
Your DOC file may contain OLE properties metadata. MOBI has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
Transformar documentos DOC em MOBI é mais do que uma simples conversão; é adaptar o seu conteúdo para a leitura fluida e confortável em qualquer dispositivo móvel. Seja para revisitar aquele extrato bancário importante no seu smartphone a caminho do trabalho, ou para partilhar o rascunho do seu próximo e-book com amigos, a agilidade é fundamental. O formato MOBI, otimizado para e-readers e aplicações de leitura, garante que o seu texto, imagens e formatação se ajustem perfeitamente ao ecrã, sem a frustração de zooms constantes ou quebras de linha indesejadas. Diga adeus aos PDFs estáticos e aos DOCs desformatados em pequenos ecrãs. Connosco, a sua informação ganha a portabilidade e a legibilidade que merece, tornando a sua experiência de leitura digital verdadeiramente otimizada e sem complicações.
- Documentos bancários digitais para leitura móvel
- Rascunhos de e-books e contos para revisão portátil
- Artigos e relatórios de estudo para consumo offline
Em Portugal e no Brasil, a crescente adoção de smartphones como principal meio de acesso à internet e a documentos digitais faz do MOBI um formato ideal para garantir a acessibilidade e a boa experiência do utilizador, especialmente em conteúdos que exigem leitura prolongada.
About DOC to MOBI Conversion
DOC or MOBI — which format should you use? The answer depends on your needs. Here's a quick breakdown.
DOC is the legacy Microsoft Word format (pre-2007) — still widely circulated. It has universal platform support. MOBI is Amazon's Kindle e-book format — widely used for distributing Kindle books. It has limited platform support.
Full Name: DOC uses Microsoft Word Legacy, while MOBI uses Mobipocket eBook. Compression: DOC uses None (uncompressed), while MOBI uses Lossless. Typical File Size: DOC uses 50 KB–10 MB, while MOBI uses 1–10 MB.
So when should you convert DOC to MOBI? This conversion is ideal when you When you specifically need a MOBI file for your workflow. This conversion helps you convert between formats quickly.
Converting DOC to MOBI maintains high quality with CocoConvert's optimised encoder settings.
If you've decided MOBI is the right choice, CocoConvert makes the conversion effortless. Upload your .doc file, pick MOBI, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert DOC to MOBI
- 1
Choose your DOC file
Upload your .doc file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to MOBI
Select .mobi from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large document files.
- 4
Get your MOBI file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert DOC to MOBI
Your DOC file is decoded and re-encoded as MOBI.
Your DOC file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in MOBI format with optimal settings
The converted file is ready for download
DOC vs MOBI — Detailed Comparison
| Feature | .DOC | .MOBI |
|---|---|---|
| Full Name | Microsoft Word Legacy | Mobipocket eBook |
| Compression | None (uncompressed) | Lossless |
| Typical File Size | 50 KB–10 MB | 1–10 MB |
| Platform Support | Universal | Limited |
| Browser Support | none | none |
| Year Created | 1983 | 2000 |
| Open Standard | No | No |
Should You Convert DOC to MOBI?
When to Convert
- ✓You need just the audio track from a video recording
- ✓You're creating a podcast or audio file from video content
Frequently Asked Questions
Should I use DOC or MOBI?
It depends on your goal. DOC preserves full quality. MOBI preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is MOBI higher quality than DOC?
Not necessarily. Converting DOC to MOBI maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert DOC to MOBI on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for DOC to MOBI?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for DOC to MOBI?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.