SNB to POTX Converter

Convert Bambook SNB to POTX PowerPoint template

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Modern Template Output

Transform SNB ebook content into POTX — the current PowerPoint template standard with XML-based packaging.

Use on Any Device

The converter runs in any web browser — Windows, Mac, Linux, or mobile. No PowerPoint required for conversion.

Privacy Ensured

Your SNB files are deleted right after conversion. POTX downloads are automatically removed within 24 hours.

How to convert SNB to POTX

1

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

2

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

3

Let the file convert and you can download your potx 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
POTX (PowerPoint Template XML) is the Open XML template format for Microsoft PowerPoint, introduced with Office 2007. A POTX file is a ZIP archive containing XML parts that define slide masters, slide layouts, theme colors, theme fonts, theme effects, placeholder configurations, and default content — everything needed to establish a consistent visual foundation for new presentations. When applied, a POTX template creates a new PPTX document inheriting the template's complete design system, including multiple slide layout variants (title, content, two-column, comparison, blank, and custom layouts) each with precisely positioned placeholders. The XML-based structure brings advantages over the legacy POT format: templates can be inspected and modified using standard XML tools, design elements are cleanly separated into dedicated files (theme.xml, slideMaster.xml, slideLayout.xml), and built-in ZIP compression yields smaller file sizes. One advantage is design system management — POTX files encapsulate an entire visual identity as a distributable package, and the modular XML structure makes it straightforward to update individual elements like color schemes or font stacks without rebuilding the entire template. Broad compatibility is another strength: POTX templates work in PowerPoint on Windows and macOS, LibreOffice Impress, and online platforms. The format integrates with PowerPoint's template gallery and organizational template libraries, enabling centralized design governance across large teams.
Developer: Microsoft
Initial release: January 30, 2007

Frequently Asked Questions

Why convert SNB to POTX?

SNB is proprietary to the Bambook platform. POTX produces a modern PowerPoint template — create polished presentations from ebook content.

What software opens POTX?

Microsoft PowerPoint 2007+, Google Slides (via upload), LibreOffice Impress, WPS Presentation, and Apple Keynote handle POTX files.

Is POTX the modern template format?

Yes, POTX is the current XML-based PowerPoint template standard — smaller files and better compatibility than the legacy POT format.

Is my SNB file safe during conversion?

Uploaded SNB files are deleted immediately after conversion. POTX output files are removed from servers within 24 hours for your privacy.

Any payment needed?

None. Convertio converts SNB to POTX for free online. No signup or software installation is needed.