Loading converter…
Loading converter…
Free EPUB to JPG converter. No sign-up — convert each ebook page into shareable, high-quality JPG images.
To convert EPUB to JPG: upload your file using the form below, select JPG as the output format, and click Convert. Our Calibre-powered engine processes the conversion in seconds with no registration required. The converter preserves text content, chapter structure, images, and metadata. For batch conversions of up to 50 files, upgrade to Pro.
Every EPUB to JPG conversion runs on the Calibre engine — the industry-standard open-source ebook library trusted by readers and tools worldwide. Calibre preserves fonts, chapter structure, and metadata far more faithfully than converters that rebuild files from scratch.
Drag & drop your file here
or click to browse
JPG (or JPEG — same thing, the extension just got shortened for old Windows filename limits) is the most widely used image format on the planet. It's been around since 1992 and every camera, phone, browser, and social platform speaks it fluently.
The core idea is lossy compression. JPG analyzes an image, figures out which details your eye is least likely to notice, and discards them. The result is dramatically smaller files at a barely perceptible quality cost.
How that plays out for book pages:
The cost is real but small. JPG can leave faint gray fuzz — called ringing artifacts — around high-contrast edges like black text on white. At quality settings above 85 you have to squint to see it. Below 70 it becomes obvious.
Where JPG genuinely wins: any page with photographs, watercolor illustrations, or smooth color gradients. That's exactly the content JPG was designed for, and it beats PNG on size by a wide margin with no visible difference.
An EPUB doesn't have pages. This surprises people every time.
EPUB text reflows — it fills whatever space the reader app provides. Increase the font size and what was "page 50" becomes "page 63." There is no canonical page layout stored in the file.
So the conversion has to create pages. The pipeline is two steps:
EPUB → PDF (Calibre) → JPG (ImageMagick)
Calibre renders the book into a PDF, fixing the layout at a specific page size and font size. Then ImageMagick rasterizes each PDF page into a JPG at 300 DPI.
Two things follow from this:
1. Upload. Drag your .epub onto the drop zone or click to browse. Uploads are capped at 10MB. Text-only novels are usually 1-3MB and fit easily; heavily illustrated books can run well past the limit, so those need to be compressed first or handled with a desktop tool.
2. Let it render. Calibre lays out the book, then each page gets rasterized at 300 DPI. This takes longer than a typical format conversion because you're generating hundreds of images, not rewriting one file. A short book: well under a minute. A 600-page reference work: a few minutes.
3. Download the ZIP. Images arrive numbered in reading order — page-001.jpg, page-002.jpg — so they sort correctly in any file browser.
Heads up on DRM. If you bought the book from Kobo, Google Play Books, or any store using Adobe's DRM, the file is encrypted and the conversion will fail. There's no workaround — the file literally can't be read without the license. Books from Project Gutenberg, Standard Ebooks, Humble Bundle, indie authors, or your own exports will convert without complaint.
And the practical note: check your disk space first. Even at JPG's smaller sizes, a long illustrated book can produce a 100MB+ archive.
Sharing passages on social media. WeChat Moments, Weibo, Instagram, and X all handle JPG natively and will re-compress anything you upload anyway — so starting from JPG loses you nothing. A clean 300 DPI page image looks far better than a phone screenshot with your reading app's UI in the corner.
Building presentations. Dropping a page image into PowerPoint, Keynote, or Google Slides takes two seconds. Rebuilding a formatted page from copied text takes twenty minutes.
Print and layout work. Designers placing book content into magazines, brochures, or catalogs want images they can position directly in InDesign or Affinity Publisher.
Universal viewing without a reader app. JPG opens on literally anything — a smart TV, an old digital photo frame, a locked-down work PC, a car infotainment screen. No EPUB reader required.
Generating previews and thumbnails. Course platforms, library catalogs, and bookstore listings often need sample page images. JPG is the standard for that.
Emailing excerpts. JPG's small size means you can attach twenty pages without hitting a mailbox limit.
Quick visual reference. Sometimes you just want a handful of pages on your phone's camera roll where you can swipe through them without opening an app.
We offer both. Here's how to choose without regretting it.
| Factor | JPG | PNG |
|---|---|---|
| Compression | Lossy | Lossless |
| Text page size | 60-200 KB | 200-600 KB |
| Photo page size | 200-600 KB | 1-3 MB |
| Text edge sharpness | Very good at q85+ | Perfect |
| Transparency | ❌ No | ✅ Yes |
| Safe to re-save | ❌ Degrades each time | ✅ No loss ever |
| Social upload | ✅ Ideal | Gets re-compressed anyway |
| OCR accuracy | Good | Slightly better |
| Best for | Sharing, photos, size-conscious work | Archiving, charts, editing |
Go PNG when the book is dense text or technical diagrams, when this is your permanent archive copy, when you'll edit the images afterward, or when you're feeding them to OCR.
One rule that saves grief: don't re-save a JPG repeatedly. Each save runs compression again and the quality degrades a little more. Edit from a PNG master, export to JPG once, done.
Default output is 300 DPI, which is sharp enough for printing and looks crisp on high-density phone and laptop screens. Pro users can push it higher for professional print work, though file sizes climb quickly.
At quality settings above 85 the loss is essentially invisible on normal viewing — you would need to zoom well past 100% to spot the faint fuzz around letter edges. For photo-heavy pages the difference from PNG is undetectable while the file is several times smaller.
EPUB text reflows rather than sitting on fixed pages, so the converter has to generate page boundaries during layout. The resulting count reflects the conversion settings and will not match any specific print or Kindle edition.
No — once a page is rasterized the text becomes pixels with no underlying text layer. Convert to PDF instead if you need selectable, searchable text, or run OCR on the images afterward.
Uploads are capped at 10MB. Most ebooks are only a few megabytes, so text-led titles fit comfortably. Image-heavy books are the exception and can exceed the ceiling — compress the images first, or convert those locally with desktop Calibre.
Absolutely. All files are transferred over 256-bit TLS (SSL) encrypted connections. Your original file and converted file are automatically deleted from our servers within 1 hour. We never read, store, or share your content.
Deepen your understanding with expert conversion guides:
EPUB 2 and EPUB 3 are the two versions of the open ebook standard. Most readers handle both without you noticing, but they are not the same underneath. EPUB 3 added multimedia, better accessibility, and richer navigation. Here is what changed and whether it matters for your books.
Kobo's own format is already EPUB under the hood (its tuned variant is called KEPUB), so "converting a Kobo book to EPUB" is often simpler than it sounds — or impossible, if the book is store-DRMed. This guide explains both cases and what you can actually do.
If you are an avid reader or self-published author, the biggest hurdle is often format compatibility. The short answer is: **Kindle users should use AZW3**, while **Kobo and other e-readers prefer EPUB**. MOBI is outdated for new devices. Use tools like [bookconv.com](/convert) or Calibre to convert your files instantly. For the head-to-head of the two formats themselves, see our [EPUB vs MOBI comparison](/blog/epub-vs-mobi).
Format explainers and in-depth comparisons:
Your EPUB looks perfect in a reader but turns into a messy PDF — odd page breaks, shifted images, missing fonts. Here is why, and how to fix it.
Kindle won't open EPUB natively, and a careless EPUB to MOBI conversion scrambles your chapter breaks and drops your images. Here's how to convert cleanly with BookConv — free, in your browser, no software to install — and keep your layout.
You have an EPUB and a Kindle, and emailing it gives you a broken layout. AZW3 is the format that keeps your styling intact. Here is how to convert EPUB to AZW3 the right way.
“BookConv saved me hours of manual work. I convert all my manuscript drafts to EPUB and MOBI in seconds. The quality is perfect — no formatting loss at all.”
Sarah Mitchell
Self-published author
“We use BookConv daily to help our patrons convert old LIT files to modern formats. It's fast, free, and requires no software installation. A must-have tool.”
James Rodriguez
Librarian
“I've tried many converters, but BookConv is the only one that handles FB2 and AZW3 without issues. The batch conversion feature is a game-changer for my workflow.”
Yuki Tanaka
Digital content creator