Guides & Articles

Convert EPUB to PDF in seconds. Free online method, desktop apps, and command-line options. No watermarks, no sign up required.

Send EPUB files to your Kindle in minutes. Learn 3 methods: Send to Kindle email, Calibre conversion, and the Kindle app. Step-by-step guide.

EPUB vs MOBI — which ebook format is better? Amazon dropped MOBI support in 2023. Learn why EPUB won, and how to convert your MOBI files.

Compare Convertio with Epublys for EPUB conversion, metadata, chapters and validation. Published free and Pro limits, file handling and output trade-offs.

Zamzar offers direct downloads with optional email. Compare its broad conversions with Epublys metadata, validation and chapter tools, including limits.

Convert PDF files to reflowable EPUB ebooks in minutes. Free online method, Calibre desktop, and command-line options. Troubleshooting tips included.

Combine EPUB books with Epublys or the Calibre EpubMerge plugin. Browser, desktop and CLI steps, limits, metadata changes and checks before publishing.

A guide from Epublys to EPUB tools: when to use browser tools, Calibre, Sigil, Pandoc and EPUBCheck, with their roles and limitations.

MCP server and REST API for Claude, GPT, and custom agents. Merge, split, compress, convert, validate, edit metadata, and generate AI book covers — all callable from your agent stack with one Bearer key.

Edit EPUB metadata including title, author, cover image, and description. Free online editor and Calibre walkthrough.

Calibre is great for big libraries, but overkill for one EPUB. A free, no-install browser alternative for metadata, merge, split, compress, and validate.

Add or replace the cover image in any EPUB file. Free online tool — upload your EPUB, choose a JPG or PNG cover, and download. No software needed.

Learn how to create EPUB ebook files from scratch, from Word documents, or from HTML. Covers Sigil, Calibre, Pandoc, and online tools.

Step-by-step guide to self-publishing an ebook in 2026. Covers formatting, cover design, metadata, validation, and distribution to Amazon KDP, Apple Books, and Kobo.

EPUBs reflow, so "pages" depend on font size and screen — but you can still add a page-list and page-break navigation for citation and accessibility. Step by step with EPUB 3 syntax.

Convert EPUB to Word DOCX for heavy editing, track-changes review, or re-publishing. Free Calibre method, Pandoc command line, and when to just edit the EPUB directly instead.

iLovePDF focuses on PDF page tools. Use EPUB tools for ebook metadata, chapter extraction, merging and validation, with conversion limits explained.

Edit EPUB files without installing Sigil. Epublys offers free online EPUB tools for merging, splitting, metadata editing, and validation.

Learn how to open and read EPUB files on Windows, Mac, iPhone, iPad, Android, and Kindle. Free EPUB readers and built-in options for every device.

EPUB is the most popular ebook format. Learn what EPUB files are, how they work, which devices support them, how it compares with PDF, and how to create, edit, and convert EPUBs.

Fix common EPUB validation errors: broken links, duplicate IDs, missing manifest entries, invalid XHTML. Step-by-step guide with automatic repair tool.

Upload your EPUB to Amazon KDP the right way. What KDP accepts, why uploads get rejected, cover requirements, and pre-upload validation to save rejection cycles.

Export your Scrivener project to EPUB the right way. Compile settings, common issues with the native compile, and how to polish the output for self-publishing.

Review EPUB navigation, reading order, language, image alternatives and accessibility metadata. Practical checks with EPUB Accessibility and WCAG references.

Diagnose an EPUB that will not open: inspect the ZIP, mimetype, container and OPF. Use structural checks, limited auto-fix and manual repair steps.

Turn HTML pages, web articles, or a local site into a proper EPUB. Three methods: Pandoc one-liner, Calibre's recipe engine, and hand-assembled EPUB. Plus what to do once you have the file.

Strip an EPUB down to raw text for research, AI/LLM ingestion, indexing, or accessibility. Three methods: unzip + strip tags, Calibre export, Pandoc extract. What to watch for.

Reduce huge EPUB files (100MB, 200MB, even 1GB) with a local inspect-and-repack workflow. Compare lossless ZIP compression and lossy image changes.

Open EPUB files on Android with a local reader app or the browser. Compare accounts, offline files and Sync, with steps for opening your book.

Free EPUB readers for Windows, Mac, Android, iPhone and Linux: built-in options, local files, browser reading, accessibility and account trade-offs.

Read EPUB files on iPhone or iPad the easy way. Apple Books, third-party readers (KyBook, PocketBook, Yomu), and browser-based options — plus DRM and common scenarios.

Yes — every Kobo reads EPUB natively, no conversion needed. Here is how it works, plus step-by-step loading via USB, Dropbox, and email with common fixes.

Read EPUB and PDF in your browser — no install, no signup. Files stay on your device. Includes dark mode, font controls, TOC, bookmarks, and full-text search.

Convert Word documents to EPUB for self-publishing. Calibre, Pandoc, and Reedsy methods compared, plus the post-conversion cleanup most authors skip.