Convert TCR to MOBI Online — Free
Fast, free TCR to MOBI converter. No registration required.
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How to Convert
Upload your .tcr 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 .mobi file when it's ready.
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
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
TCR vs MOBI
| Feature | TCR | MOBI |
|---|---|---|
| Full Name | Psion eBook | Mobipocket eBook |
| Extension | .tcr | .mobi |
| Best For | Psion PDA native | Kindle compatible |