What Is This Tool?
This tool allows you to convert ebooks from the legacy TCR format to the FB2 format. TCR is a plain-text, compact ebook format used by older devices, while FB2 is an XML-based format designed for rich semantic structure and metadata, making it compatible with modern e-readers and library tools.
How to Use This Tool?
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Upload your TCR ebook file from your device or cloud storage
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Select FB2 as the output format for conversion
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Click the convert button to start the file conversion process
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Download your converted FB2 ebook once the process is complete
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Import the FB2 file into your preferred e-reader or library manager
Key Features
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Convert legacy TCR ebooks into modern, XML-based FB2 format
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Add semantic structure including chapters, paragraphs, and annotations
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Embed cover images and rich metadata such as authors and series info
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Enable improved reflowable reading on current e-reader apps
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Facilitate further conversion to popular formats like EPUB and MOBI
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Preserve archival ebooks by migrating them into a widely supported open format
Examples
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Convert a collection of TCR novels from an old PDA archive to FB2 to include author and series metadata for easy cataloging
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Transform a single TCR short story into an FB2 file for better reflow and readability on mobile reading apps
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Migrate TCR ebooks into FB2 as an intermediate step before converting to EPUB for use on mainstream devices
Common Use Cases
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Preserving and migrating historical TCR ebook collections to open formats
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Preparing legacy plain-text novels for current e-reader compatibility
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Adding cover images and detailed metadata for personal ebook libraries
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Using FB2 as a flexible format for exchanging semantically rich ebooks
Tips & Best Practices
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Verify the original TCR files for content accuracy before conversion
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Manually review and update metadata and embedded images after conversion when needed
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Use the FB2 output as an intermediate format for subsequent conversions
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Test the converted FB2 file on your target e-reader to ensure compatibility
Limitations
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TCR's minimal formatting and proprietary layout may not fully carry over to FB2 semantic tags, causing loss of original layout details
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Limited support for images and multimedia in TCR and FB2 may result in missing or incomplete media content
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FB2 format offers less advanced typographic control than EPUB and may have compatibility gaps with some readers
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Some FB2 readers might not support all extensions or embedded binary image encodings
Frequently Asked Questions
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Why should I convert TCR ebooks to FB2?
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Converting TCR to FB2 allows you to migrate legacy plain-text ebooks into a modern, semantic XML format that supports richer metadata and better compatibility with current e-reader apps.
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Can I preserve images when converting from TCR to FB2?
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Because TCR has poor support for images and FB2 has limited multimedia handling, image preservation may be partial or require manual rework after conversion.
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Is FB2 supported on all modern e-readers?
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While FB2 is widely supported, especially in Russian and Slavic markets, some mainstream e-reader apps might not fully support all FB2 features and extensions.
Key Terminology
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TCR
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A legacy ebook format storing primarily plain text with minimal formatting, used in older e-reader applications.
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FB2
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An XML-based ebook format focusing on semantic structure and metadata for reflowable reading on modern devices.
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Semantic Structure
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Logical organization of text such as chapters, sections, and paragraphs rather than visual layout.