Convert EPUB to RTF Online Free

Convert EPUB ebooks to Rich Text Format using Calibre on a secure server. RTF is readable by virtually every word processor, making it the most universally compatible output from your ebook file.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile converts EPUB to RTF using Calibre on a secure server. Upload your ebook and get a Rich Text Format document readable in any word processor. Files are auto-deleted after processing. Free with no account needed.

Free No signup required Encrypted transfer · Auto-deleted Under 2 minutes Updated April 2026

Convert EPUB to Rich Text Format

Drop your EPUB file here to convert it instantly

Drag & drop your .epub file here, or click to browse

Convert to Rich Text Format instantly

EPUB vs Rich Text Format: Format Comparison

Key differences between the two formats

FeatureEPUBRTF (Rich Text Format)
Format typeOpen ebook container (XHTML + CSS + metadata)Text-based rich document format with control codes
StandardW3C / IDPF open standardMicrosoft RTF Specification (widely adopted)
ReadabilityE-readers and ebook appsWord, LibreOffice, Apple Pages, WordPad, TextEdit
LayoutReflowable — adapts to screen sizeFixed-layout print orientation
Software requirementRequires ebook reader appOpens in virtually any word processor since 1987
EditingRequires EPUB editor (Sigil, Calibre)Directly editable in any word processor
File sizeCompact ebook containerLarger than EPUB due to embedded RTF formatting codes

When to Convert

Common scenarios where this conversion is useful

Maximum compatibility document delivery

RTF opens in virtually any word processor ever made. Convert EPUB content to RTF for delivery to recipients who may be using older software or unknown environments.

Content extraction for editing

Extract ebook content from EPUB to RTF for editing, proofreading, or updating in any word processor without requiring specialized ebook editing software.

Legacy system document submission

Some older document management systems, courts, and government portals require RTF submissions. Convert EPUB reference material to RTF for these legacy submission systems.

Cross-platform document sharing

When sharing ebook content across teams using different operating systems and software, RTF ensures the file opens and displays correctly everywhere.

How to Convert EPUB to Rich Text Format

  1. 1

    Upload your EPUB file

    Drag and drop your .epub file onto the converter, or click to browse. Files up to 50 MB are supported for free conversion.

  2. 2

    Server-side RTF generation

    Your EPUB is securely uploaded and converted to RTF format using Calibre. Text content, chapter structure, and basic formatting are mapped to RTF control codes.

  3. 3

    Download the RTF file

    Once conversion completes, click Download to save your .rtf file. Open it in any word processor. The original EPUB file is automatically deleted.

Frequently Asked Questions

Yes, completely free. No signup required, no watermarks, and no usage limits for EPUB files up to 50 MB.

RTF (Rich Text Format) is a document format developed by Microsoft in 1987. It uses plain-text encoding with embedded control codes for formatting. It opens in Word, LibreOffice, Apple Pages, Google Docs, and even Notepad/TextEdit.

Yes. Files are transferred over encrypted HTTPS and automatically deleted from our servers immediately after conversion. Nothing is stored.

Yes. EPUB headings and chapter breaks are mapped to RTF paragraph heading styles. The document structure remains navigable in Word and LibreOffice.

Calibre extracts and embeds images from the EPUB into the RTF file. The exact placement may vary from the original ebook layout.

Most EPUB files convert to RTF in under fifteen seconds. Larger ebooks with extensive content may take slightly longer.

RTF has broader compatibility than DOCX — it opens in every version of Word, all competing word processors, and even basic text editors. Use RTF when you need maximum cross-platform compatibility.

EPUB files up to 50 MB are supported for free conversion.

Conversion is performed by Calibre, the industry-standard open-source ebook conversion tool, running on our secure server.

No. Only DRM-free EPUB files can be converted. DRM-protected ebooks (such as those with Adobe or Apple DRM) cannot be processed.

Yes. RTF supports Unicode text encoding, so international characters, CJK text, Arabic, Hebrew, and other scripts are preserved in the output file.

Yes. ChangeThisFile supports RTF to EPUB conversion using the RTF to EPUB converter for the reverse workflow.

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Need to convert programmatically?

Use the ChangeThisFile API to convert EPUB to Rich Text Format in your app. No rate limits, up to 500MB files, simple REST endpoint.

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Read our guides on file formats and conversion

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