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Markdown to EPUB
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2 files, max 5M each
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Tool Description
Markdown to EPUB is an online Markdown to EPUB tool offering free daily quota — no installation, no registration, ready to use. It converts .md files into standard EPUB 3.0 e-books, featuring auto-splitting chapters by H1 headings, custom cover images, reading themes (default/sepia/night), and adjustable font size. All processing runs locally in your browser for 100% privacy. Whether for e-book creation, knowledge sharing, or document archiving, it produces professional e-books in one click.
How to Use
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Upload Markdown
Click the upload area or drag and drop Markdown files — .md, .markdown, .txt formats are supported, and multiple files can be uploaded at once.
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Set Parameters
Set book title, author, and cover, then choose a reading theme and font size.
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Process & Download
Click the "Start Processing" button, then download the EPUB e-book or download all as a ZIP.
Use Cases
- E-book Creation: Convert Markdown notes and technical docs to EPUB for reading on Kindle, iBooks, and other readers
- Knowledge Sharing: Turn tutorials and manuals into EPUB format for easy mobile reading and distribution
- Document Archiving: Combine multiple Markdown files into structured e-books for unified management and searching
Key Advantages
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Free Daily Quota
Free usage every day covers everyday e-book creation needs at zero cost; frequent or professional users can unlock more via a membership.
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Privacy & Security
All conversion runs entirely in your browser — files are never uploaded to any server, keeping your data safe.
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Standard Format
Produces standard EPUB 3.0 files compatible with major readers and devices.
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Auto Chapter Splitting
Chapters are auto-split by H1 headings with a generated table of contents, giving a clean, professional structure.
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Customizable Options
Customize cover, theme, and font size with multiple reading modes to choose from.
Reading Theme Selection
The tool offers multiple reading themes, each delivering a different reading experience.
| Theme | Features | Best For |
|---|---|---|
| Default Theme | Black text on white, crisp and readable | Regular reading, formal documents |
| Sepia Theme | Parchment background, soft on the eyes | Long reading sessions, night writing |
| Night Theme | White text on black, low-light friendly | Bedtime reading, dark environments |
Features
① Privacy safe — all processing is local, files never leave your device; ② Batch processing — upload and convert multiple files at once, download as ZIP; ③ Auto chapter splitting — chapters split by H1 headings with auto-generated TOC; ④ Multiple themes — default, sepia, and night reading modes.
FAQ
A Markdown to EPUB tool converts Markdown documents into EPUB e-books online. It turns .md files into standard EPUB 3.0 format with customizable cover, theme, and font size, all processed locally in your browser.
Upload a Markdown file, set the parameters, and click Start. You can set the book title, author, cover, reading theme, and font size, then download the EPUB when done.
Common GitHub Flavored Markdown (GFM) syntax is supported: headings, bold, italic, lists, tables, code blocks, blockquotes, links, and images. Chapters are auto-split by H1 headings; if no headings are found, the entire document becomes one chapter.
The generated EPUB uses standard EPUB 3.0 format, compatible with Kindle, Apple Books, Google Play Books, Adobe Digital Editions, Kobo, PocketBook, and other major readers and devices. Kindle users can import via the "Send to Kindle" feature or USB transfer.
Yes — processing happens locally and is very fast. Moderate Markdown files convert almost instantly, and batch processing makes it even more efficient.
Files are processed entirely in your browser and never uploaded to any server. All conversion happens on your device, keeping your data safe.
Free usage is granted every day, covering everyday needs at zero cost. No registration is required. When you need higher capacity, a membership unlocks more quota.
Yes, mobile is supported. This tool uses a responsive design, so it works on phones, tablets, and desktops — create e-books anytime, anywhere.
Common formats like JPG, PNG, and WebP are supported. A 1600×2560 or similar portrait-ratio image is recommended for best display. The cover is optional — EPUBs can be generated without one.
Check that your Markdown file is a supported format and can be read properly. Confirm the file is UTF-8 encoded and correctly formatted, then re-upload.
Yes. EPUB is essentially a packaged HTML file that can be edited with Calibre, Sigil, and other EPUB editors. For significant content changes, we recommend editing the original Markdown and re-converting.
Batch upload and conversion are supported. Multiple Markdown files can be processed simultaneously, each converted to an independent EPUB, downloadable individually or as a ZIP archive.
Content last updated：2026-08-06
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