SNB to KWD Converter

Convert Bambook SNB to KWord KWD format online

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KDE-Compatible Output

Transform proprietary SNB ebooks into KWD documents editable in Calligra Words and other KDE-compatible applications.

Privacy Protection

Uploaded SNB files are deleted right after processing. KWD output files are removed from servers within 24 hours.

Browser-Based Access

No KDE desktop or Linux required for conversion — the tool runs in any browser on any operating system.

How to convert SNB to KWD

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose kwd or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your kwd file right afterwards

About formats

SNB is a proprietary ebook format developed by Shanghai Nutshell Electronics, a subsidiary of Shanda Interactive Entertainment, for the Bambook e-reader launched in August 2010. The format is structurally based on EPUB principles, packaging HTML content, CSS styling, images, and metadata within a compressed archive, but uses a proprietary container that restricts native playback to Bambook devices and associated software. Shanda designed the Bambook and its SNB ecosystem as an integrated reading platform tied to the Cloudary literature portal (later rebranded as China Literature), one of China's largest online publishing networks hosting millions of web novels and serialized fiction. The format supported reflowable text, chapter navigation, bookmarks, and basic typographic controls suited to Chinese-language content display. One advantage was tight integration with Shanda's massive content catalog, providing readers instant access to an enormous library of Chinese-language literature directly through the device. The Bambook was initially offered at a heavily subsidized price point, using the content ecosystem to drive revenue — a model that preceded similar strategies by other e-reader manufacturers. While the Bambook hardware line was eventually discontinued as the Chinese market shifted toward tablet-based reading apps, SNB files from that era can be converted to standard formats using tools like Calibre with appropriate plugins. The format represents an interesting case study in platform-specific ebook ecosystems within the Chinese digital publishing landscape.
Initial release: August 2010
KWD is the native document format of KWord, the word processor component of KOffice (later renamed Calligra Suite), developed by the KDE community with its first stable release in KOffice 1.0 in 2000. KWord distinguished itself from other word processors through a frame-based layout model where text, images, and other content existed in independent frames that could be positioned freely on the page, similar to desktop publishing applications — a departure from the linear text-flow approach used by most word processors. KWD files store document content in a compressed XML format that describes the frame hierarchy, text content with formatting markup, paragraph styles, page dimensions, headers, footers, and embedded media. The format uses a ZIP container packaging the XML document alongside any referenced images and resources. One advantage was the flexible frame-based layout — users could position text and image frames independently on the page, enabling newsletter-style layouts and creative document designs without switching to a dedicated DTP application. The open XML structure is another benefit, making KWD files transparent and accessible to automated processing. KWord was included in several Linux distributions as part of the KDE desktop environment during the 2000s. The project was eventually discontinued in favor of Calligra Words, which adopted the ODF standard. KWD files can be opened with legacy KOffice installations or converted through document conversion tools.
Developer: KDE
Initial release: 2000

Frequently Asked Questions

Why convert SNB to KWD?

SNB is restricted to Bambook. KWD is the KWord document format from the KDE Calligra suite — an open format for Linux word processing.

What opens KWD files?

Calligra Words (formerly KWord) is the primary editor. LibreOffice Writer can also import KWD documents on Linux systems.

Is KWD still supported?

KWD is part of the Calligra Suite, which is actively maintained in the KDE ecosystem. Linux desktop users benefit from native support.

Can I edit the result?

Yes, KWD files are fully editable. Open them in Calligra Words to modify text, formatting, and document structure.

Is there a cost?

No cost at all. Convertio converts SNB to KWD for free online — no account, no installation, no payment.