Convert MOBI to TCR Online — Free
Fast, free MOBI to TCR converter. No registration required.
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How to Convert
Upload your .mobi file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .tcr file when it's ready.
What is MOBI?
MOBI is an ebook format used by Amazon Kindle devices. While Amazon now prefers EPUB, MOBI remains compatible with older Kindle models.
Format Details
- Full Name
- Mobipocket eBook
- Extension
- .mobi
Key Features
- Kindle compatible
- DRM support
- Ebook standard
- Amazon format
What is TCR?
TCR is a text compression format originally developed for Psion handheld PDAs in the 1990s. It uses a simple dictionary-based compression scheme to store plain text content in extremely compact files, making it popular for distributing eBooks on early mobile devices with limited storage.
Format Details
- Full Name
- Psion eBook
- Extension
- .tcr
Key Features
- Psion PDA native
- Text compression
- Extremely compact
- Legacy format
MOBI vs TCR
| Feature | MOBI | TCR |
|---|---|---|
| Full Name | Mobipocket eBook | Psion eBook |
| Extension | .mobi | .tcr |
| Best For | Kindle compatible | Psion PDA native |