Что такое формат файла AZW?
.azw is an ebook format associated with Amazon Kindle, introduced in November 2007 with the first-generation Kindle device. It is based on the Mobipocket .prc standard, using a Palm Database (PDB) container. .azw ebooks can be purchased and downloaded directly to the device, or transferred from a computer via USB.
Most .azw files employ Amazon's DRM copyright protection system, locking each book to a specific Amazon account. DRM-protected .azw files may only be opened on authorized Kindle devices or compatible apps. Non-protected .azw files are in fact structurally equivalent to .prc files and can be freely converted - for example, in Calibre.
Amazon later superseded .azw with .azw3 (Kindle Format 8, 2011) and .kfx (2015), which support richer content. Older .azw titles remain compatible with current Kindle apps and hardware.
Безопасность и защита
РИСК: LOWAZW is e-book data and safe to read. The real friction is DRM, not malware: books bought from Amazon are account-locked, so generic apps refuse them and conversion is blocked - a rights restriction, not a virus. Removing DRM violates Amazon's terms and may be unlawful where you live. The practical risk is pirated-e-book download sites (bundled adware/fake downloads). Treat DRM-free AZW files as ordinary documents.
Детали формата
в двух словах- AZW1 / Topaz Kindle book - Older Amazon Topaz e-book format using the same .azw1 family; structurally different ('TPZ' header) and rarely seen today.
Программы, открывающие файлы AZW
Технические подробности
глубокая спецификация| Container format | Palm Database (PDB) - type "BOOK", creator "MOBI" |
| Magic identifier | `BOOKMOBI` (hex `42 4F 4F 4B 4D 4F 42 49`) at byte offset 60 |
| Byte order | Big-endian |
| Text compression | PalmDOC (LZ77-based); HUFF/CDIC used for larger records |
| Text content model | PalmDOC-compressed HTML subset stored across multiple PDB records |
| MOBI header version | Version 6 (AZW); Kindle Format 8 / AZW3 uses version 8 |
| DRM implementation | Amazon account-locked voucher; DRM-free variant is structurally identical to `.mobi` |
| MIME type | `application/vnd.amazon.ebook` |
| Metadata block | EXTH header carries ASIN, CDE type/key, author, publisher, and cover offset |
| Image storage | Embedded as separate PDB records (JPEG or GIF); no PNG support in original AZW |
| Typical file size | 300 KB - 25 MB (plain-text titles small; image-heavy or fixed-layout titles larger) |
| Successor formats | `.azw3` (Kindle Format 8, 2011) adds CSS3/HTML5; `.kfx` (2015) for current Kindle hardware |
| Выпущен | 2007 (with the first Amazon Kindle) |
| Последняя версия | AZW (original Kindle format); superseded by AZW3/KF8 (2011) and KFX (2015) |
| Спецификация | wiki.mobileread.com |
Конвертации AZW
Вопросы и ответы сообщества
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