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Convert DOCX to EPUB online for free. Fast, private, no signup, no watermark — high-quality DOCX-to-EPUB conversion in your browser.
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| Nombre de archivo | Tamaño | Convertir a |
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EPUB es el estándar abierto de libros electrónicos: redistribuye el texto, admite tablas de contenido y metadatos, funciona en todos los lectores electrónicos excepto Kindle (que usa MOBI/AZW3 de forma nativa pero convierte EPUB al cargarlo). Convierta a EPUB cuando publique en Apple Books, Kobo, Google Play Books o envíe manuscritos PDF o DOCX directamente al lector.
Turn your document into an ebook format for reading on Kindle, Kobo, Apple Books, or any eReader — text reflows to fit any screen.
Drag and drop your DOCX document or click to browse. Supports text documents, reports, manuscripts, and files with images and formatting. Batch upload multiple files at once.
Our engine converts your DOCX document into a properly structured EPUB ebook with reflowable text, chapter markers, and embedded images optimized for eReader screens.
Download your converted EPUB ebook and transfer it to your eReader via USB, email, or cloud sync. Text reflows to fit any screen size for comfortable reading.
EPUB is supported by Apple Books, Kobo, Nook, Google Play Books, and nearly every eReader except Kindle. It's the global open standard for ebooks.
EPUB text reflows to fit any screen size — from phone to tablet to dedicated eReader. Readers control font size, margins, and line spacing.
EPUB 3 supports embedded fonts, SVG images, MathML equations, audio/video, and advanced CSS styling for beautiful ebook layouts.
EPUB is maintained by W3C as an open standard (ISO/IEC 23736). Your books are never locked to a single vendor or platform.
EPUB uses ZIP compression internally, making files significantly smaller than equivalent PDF versions — important for eReaders with limited storage.
EPUB 3 has native accessibility features: semantic markup, text-to-speech support, and screen reader compatibility for visually impaired readers.
Comparación técnica de los dos formatos: útil para decidir cuál usar o para confirmar qué cambia durante la conversión.
| Propiedad | DOCX | EPUB |
|---|---|---|
| nombre completo | Microsoft Word (Open XML) | Publicación Electrónica |
| Año de introducción | 2007 | 2007 |
| Desarrollador/cuerpo estándar | microsoft | W3C (anteriormente IDPF) |
| tipo MIME | application/vnd.openxmlformats-officedocument.wordprocessingml.document | aplicación/epub+zip |
| Extensión de archivo | .docx | .epub |
| Compresión | XML comprimido en ZIP | XHTML + CSS comprimido con ZIP |
| Color/profundidad de datos | N/A (text) | N / A |
| Dimensiones máximas/tamaño | 32 MB recomendados | Software limitado |
| Transparencia | No | No |
| Animación | No | No |
| Estándar / especificación | ECMA-376/ISO/IEC 29500 | W3C EPUB 3.3/ISO/IEC 23736 |
| Lo mejor para | Modern Word documents, collaborative editing | Apple Books, Kobo, Nook, Google Play Books: texto ajustable |
DOCX (Office Open XML Document) is Microsoft's default Word document format, introduced with Office 2007. It replaced the older binary DOC format with an XML-based, ZIP-compressed architecture. This modern structure makes DOCX files smaller, more resilient to corruption, and easier for third-party software to read and write.
DOCX is fully editable across Microsoft Word, Google Docs, and LibreOffice, making it the most widely compatible editable document format. It supports rich formatting including styles, tables, images, headers and footers, track changes, and comments. DOCX is the standard choice for documents that need to be collaboratively edited or revised, from business reports to academic manuscripts.