Convert EPUB to TXT online for free.
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Checking files and selected output formats.
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Plain text strips formatting entirely — no fonts, no layout, no images. Convert to TXT when you need to pipe content into a script or CSV import, or when a legal / archival requirement specifies "no formatting". Also the right choice for extracting the substantive content from a PDF for OCR post-processing or text-analysis workflows.
Technical comparison of the two formats — useful for deciding which to use, or for confirming what changes during conversion.
| Property | EPUB | TXT |
|---|---|---|
| Full name | Electronic Publication | Plain Text |
| Year introduced | 2007 | 1963 |
| Developer / standard body | W3C (formerly IDPF) | ANSI / IBM |
| MIME type | application/epub+zip | text/plain |
| File extension | .epub | .txt |
| Compression | ZIP-compressed XHTML + CSS | None |
| Color / data depth | N/A | N/A |
| Max dimensions / size | Software-limited | Unlimited |
| Transparency | No | No |
| Animation | No | No |
| Standard / specification | W3C EPUB 3.3 / ISO/IEC 23736 | ASCII / Unicode |
| Best for | Apple Books, Kobo, Nook, Google Play Books — reflowable text | Code, raw data, universal compatibility |
EPUB (Electronic Publication) is the most widely adopted open ebook standard, maintained by the W3C (formerly IDPF) and published as ISO/IEC 23736. First released in 2007 as the successor to the Open eBook format, EPUB uses XHTML for content, CSS for styling, and ZIP compression for packaging. Its defining feature is reflowable text — content automatically adapts to fit any screen size, allowing readers to adjust font size, margins, and line spacing on phones, tablets, and dedicated eReaders.
EPUB is natively supported by Apple Books, Kobo, Nook, Google Play Books, and nearly every eReader and reading app outside the Kindle ecosystem. EPUB 3, the current version, adds support for embedded fonts, SVG graphics, MathML equations, JavaScript interactivity, audio/video embedding, and comprehensive accessibility features including text-to-speech and screen reader support. While Kindle devices do not read EPUB natively, the format can be converted to MOBI or AZW3 for Kindle compatibility.
Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert EPUB files to TXT.
Read guides about PDF, Word, and editable document workflows connected to Free Online EPUB to TXT Converter.
Convert Kindle books to EPUB for reading on Kobo, Apple Books, or any e-reader. Covers DRM-free books, format differences, and conversion tools.
A complete guide to ebook formats. Compare EPUB, MOBI, AZW3, PDF, and KFX by reader support, features, and when to use each.
Got an EPUB file and not sure how to open it? Here are the best free EPUB readers for Windows, Mac, iPhone, iPad, Android — and how to read EPUBs on a Kindle.
EPUB, PDF, and MOBI each handle ebooks differently. This guide compares reflowable text, device compatibility, DRM, and reading experience to help you pick the right format.
