Free Online Ebook Converter
التحويل بين تنسيقات الكتب الإلكترونية عبر الإنترنت مجانًا. يدعم EPUB، MOBI، AZW3، FB2، LIT، PDB، CBR، CBZ والمزيد. تحويل سريع وآمن يعتمد على المتصفح دون الحاجة إلى تثبيت أي برنامج.
الحد الأقصى لحجم الملف 10 ميجابايت. قم بالتسجيل للمزيد.
| اسم الملف | الحجم | تحويل إلى |
|---|
فحص الملفات وتنسيقات الإخراج المحددة.
حول محول الكتب الإلكترونية المجاني عبر الإنترنت
تحويل الكتب الإلكترونية هو فئة يواجهها معظم الأشخاص ذات مرة، ويرتبكون بشأنها، ثم يتجنبونها - لأن تنسيق تنسيق الكتاب الإلكتروني أكثر تجزئة من أي نوع ملف آخر. بين التنسيقات الخاصة بأمازون، وتفضيل Apple لـ EPUB، وعودة ظهور PDF ككتاب، وعشرات التنسيقات القديمة التي لا تزال تطفو على السطح، غالبًا ما توصلك غريزة "فقط قم بتحويله" إلى ملف يرفض جهازك فتحه بأدب.
This overview covers what each ebook format actually is, which reader supports what, and how to convert without losing the parts of a book that matter — chapter structure, table of contents, embedded images, and readable typography.
The five formats that actually matter in 2026
| التنسيق | Reflowable | القارئ الأصلي | الأفضل ل |
|---|---|---|---|
| EPUB | نعم | Apple Books, Kobo, Google Play Books, Calibre | The open standard — first choice for non-Kindle |
| AZW3 / موبي | نعم | Kindle only | Sideloading to Kindle devices |
| No (fixed layout) | كل جهاز | Fixed layouts — technical books, cookbooks, comics | |
| FB2 | نعم | Cool Reader, Pocketbook, Calibre | Common in Eastern-European libraries |
| LIT / LRF / PDB | نعم | Legacy readers only | Only if you inherited an older library |
القابل لإعادة التدفق مقابل الثابت - الخيار الأكبر المنفرد
A قابل لإعادة التدفق ebook (EPUB, AZW3, MOBI, FB2) is essentially a small website: HTML content that a reader wraps into whatever page shape and font size the user prefers. Turning up the text size doesn't zoom in — it re-flows the paragraphs. That's the reading experience most people expect from an ebook.
A fixed-layout format (PDF, or fixed-layout EPUB) treats every page as an image. Layout is preserved exactly — good for cookbooks, comics, and children's books — but text doesn't reflow, so on a small screen you're pinching to zoom. Converting a PDF novel into an EPUB usually improves the reading experience dramatically; converting an illustrated cookbook the same way often breaks the layout.
Choosing a target — a short decision tree
- Reading on any non-Kindle device? تحويل إلى EPUB. It's the industry standard and works everywhere except Amazon's ecosystem.
- Sideloading to a Kindle? تحويل إلى AZW3. Amazon accepts EPUB via "Send to Kindle" now, but AZW3 gives you finer control over formatting.
- Sharing a book that must look identical on every device? تحويل إلى PDF. Nothing else guarantees pixel-exact layout across readers.
- رقمنة ملف PDF للقراءة على الهاتف؟ تحويل إلى EPUB if it's mostly text. Keep the PDF if it's mostly images, complex layouts, or contains equations.
- Cleaning up a legacy library? Convert everything to EPUB as your archival master. It's the only ebook format with a real future.
What survives (and what doesn't) in an ebook conversion
A well-executed ebook conversion preserves chapter structure, table of contents, inline images, italics and bold, and paragraph breaks. It rarely preserves complex layouts (multi-column pages, sidebars, footnotes on the same page as the reference), custom fonts, or drop caps and other typographic flourishes.
بالنسبة لمعظم الروايات والواقعية، هذه المقايضة غير مرئية. بالنسبة للكتب المدرسية، وكتب الطبخ، والكتب المصورة، فإن فقدان التخطيط أمر حقيقي. إذا كان الكتاب يعتمد بشكل كبير على كيفية ترتيبه على الصفحة، فاحتفظ به بصيغة PDF.
DRM — the reason "just convert it" sometimes fails
A file downloaded from Kindle, Apple Books, Google Play Books, or Kobo is likely DRM-protected. That protection is enforced at the file level: even if the format looks like EPUB or AZW3, a converter won't be able to read the content. If your source came from a commercial store, you'll need to purchase and download the book from a DRM-free source (Project Gutenberg, Standard Ebooks, Smashwords, most indie authors' sites) before conversion is possible.
What every iFormat ebook converter does the same way
All the tools listed below process ebooks on isolated per-request workers, with TLS-encrypted uploads and 30-minute auto-delete on both source and output. Table of contents, chapter breaks, and inline images are preserved by default across supported format pairs. Metadata (title, author, publisher, cover art) carries through wherever the target format supports it.
How to convert an ebook, step by step
Same flow for every ebook tool below — EPUB to MOBI, MOBI to EPUB, PDF to EPUB, and back.
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Pick the tool by source and target
ابدأ بما لديك. هل تم تنزيل EPUB من Project Gutenberg؟ MOBI القديم من عملية شراء مبكرة لـ Kindle؟ PDF لرواية الملك العام؟ يتم ضبط كل صفحة أداة مخصصة لهذا الزوج المحدد وتتعامل مع المراوغات الخاصة بالتنسيق (علامات الفصل، وموضع صورة الغلاف، وتعيين بيانات التعريف) تلقائيًا.
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2
تحميل الكتاب الاليكتروني الخاص بك
Most ebook files are small — a typical novel is 1-3 MB, well within the free-tier 10 MB cap. Illustrated books, textbooks, or scanned PDFs can be much larger; those need a Pro plan for anything over 10 MB. Batch conversions of up to 20 files are handy for cleaning up a legacy library in one pass.
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3
Let the defaults do their thing (usually)
Ebook conversions have far fewer knobs than image or video. The tool preserves structure and metadata by default. Where a setting matters — say, converting a scanned PDF where you'd rather keep the images than force text reflow — the tool page calls it out with a one-line explanation.
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تحويل وتنزيل وتحميل جانبي
الإخراج جاهز في بضع ثوان. قم بالتنزيل على جهازك، ثم انقل الملف إلى القارئ الخاص بك: Books.app على iPhone/iPad، أو Send-to-Kindle لأجهزة Amazon، أو قم بإسقاطه مباشرة في Caliber للحصول على سير عمل كامل للمكتبة. يتم حذف كل من التحميل والملفات المحولة في غضون 30 دقيقة.
عادة ما يتعلم الناس النصائح بالطريقة الصعبة
- لن يتم تحويل الملفات المحمية بنظام إدارة الحقوق الرقمية (DRM). If your ebook came from Kindle, Apple Books, Google Play Books, or Kobo, it's likely locked. Buy or find a DRM-free copy first — Standard Ebooks, Project Gutenberg, and most indie authors' sites offer them.
- PDF-to-EPUB is best-effort on scanned books. If the PDF is text-based (searchable), conversion works cleanly. If it's a scanned image PDF, the result is an EPUB full of images — technically valid, but a poor reading experience on a phone.
- Send to Kindle now accepts EPUB. Amazon updated the flow — you no longer need to convert EPUB to AZW3 unless you want fine control. EPUB via Send-to-Kindle just works.
- Preserve your source. Always keep a copy of the original file. If a conversion has an issue you notice weeks later, you can re-convert without hunting down the source again.
When you actually need to convert an ebook
Six honest scenarios where the format swap is the whole job.
Moving a library between reader ecosystems
هل اشتريت Kobo بعد سنوات من استخدام Kindle؟ هل تريد التبديل من Amazon إلى Apple Books؟ يجب أن تصبح مجموعة MOBI أو AZW3 الحالية لديك بتنسيق EPUB (أو PDF) لتعمل خارج نظام Amazon البيئي. يعد تحويل المكتبة بأكملها دفعة واحدة مهمة شائعة لمرة واحدة عندما يقوم شخص ما بتغيير الأجهزة.
Reading a PDF novel on a phone without pinch-to-zoom
A PDF-formatted book on a phone screen is a rough experience — text is too small to read at native zoom, and swiping between pages feels clunky. Converting to EPUB reflows the text to fit the screen, making the same book actually readable. Works well for text-heavy content; less well for anything layout-driven.
Sideloading a public-domain book to your Kindle
Project Gutenberg offers most books as EPUB. Getting them onto a Kindle used to require converting to AZW3 first, but Amazon's Send-to-Kindle now handles EPUB directly. Convert to AZW3 only if you want tight control over the formatting on the Kindle.
Consolidating a legacy library to one format
If you've been collecting ebooks for a decade, chances are the library is a mess: LIT files from an old reader, FB2 from a Russian archive, MOBI from an early Kindle, EPUB from newer sources. Converting everything to EPUB (the only ebook format with real 2026-onward support) gives you one archival master that every reader on the market can open.
Preparing your own writing for readers
Writers and self-publishers often work in Word or Google Docs, then need to convert to EPUB for distribution and AZW3 for Kindle Direct Publishing. Converting from DOCX to EPUB (with a quick clean-up pass in the reader) is usually the fastest path from manuscript to shippable ebook.
جعل الكتاب المدرسي محمولاً عبر الأجهزة
Academic PDFs are usually fine at a laptop or tablet size, but painful on phones. Converting to EPUB works well when the textbook is mostly prose; keep the PDF if the book leans heavily on tables, equations, or diagrams that would break on reflow. Some students keep both — EPUB for reading, PDF for reference.
Not sure which conversion fits your case? Skim the grid below — each entry is labelled with source and target format and includes a note on what to expect from the result.