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WBMP to SXW Converter

Embed WBMP images into SXW documents — quick conversion

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Batch Processing

Upload multiple WBMP files at once and convert them all to SXW in a single session — ideal when you have many legacy images to migrate.

Any Device Works

Convert WBMP to SXW from Windows, macOS, Linux, or mobile — the browser-based tool adapts to any screen size and operating system.

Browser-Based Tool

No software to download — convert WBMP to SXW entirely in your web browser. Works on any device with an internet connection.

How to convert WBMP to SXW

1

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

2

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

3

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

About formats

WBMP (Wireless Bitmap) is a monochrome (1-bit, black and white) image format defined as part of the Wireless Application Protocol (WAP) specification, developed by the WAP Forum (later consolidated into the Open Mobile Alliance) around 1998. The format was designed for the extremely constrained mobile devices of the late 1990s and early 2000s — phones with small monochrome screens, minimal processing power, and narrow bandwidth GSM data connections. WBMP uses the simplest possible encoding: a type identifier byte (always 0 for the only defined type), width and height encoded as multi-byte integers using a variable-length scheme, and the raw pixel data where each bit represents one pixel (0 for white, 1 for black) packed eight per byte. There is no compression, no metadata, and no color — the format is purely a minimal container for delivering small monochrome graphics to WAP-era mobile browsers. One advantage was extreme efficiency on constrained devices — WBMP images could be decoded with virtually zero CPU overhead and minimal memory, critical on early mobile hardware running at single-digit megahertz clock speeds. The tiny file sizes are another strength: a typical WBMP icon occupied just a few hundred bytes, practical for transfer over 9.6 kbps GSM data channels. While the WAP ecosystem has been entirely superseded by modern mobile web browsers capable of rendering full-color JPEG, PNG, and WebP images, WBMP files remain encountered in archived mobile content from that transitional era.
Developer: WAP Forum
Initial release: 1998
SXW is the word processing document format used by StarOffice 6.0 and OpenOffice.org 1.0, developed by Sun Microsystems and released in 2002. The format was one of the first mainstream office document formats to adopt an XML-based architecture, packaging document content, styles, metadata, and embedded media in a ZIP archive — a structural approach that directly influenced the later OpenDocument Format (ODF). The content.xml file describes the document body using XML elements for paragraphs, headings, lists, tables, footnotes, and inline formatting, while styles.xml defines the styling rules and meta.xml carries document properties. SXW represented a significant milestone in open-source office software, demonstrating that a non-proprietary XML format could handle the full range of word processing features including change tracking, indexes, cross-references, and complex page layouts. One advantage was transparency and openness — the XML structure made document content inspectable, transformable, and processable using standard tools, a sharp contrast to the opaque binary formats dominant at the time. The format's role as a technological precursor to the ODF standard is another historical significance: the OASIS OpenDocument Technical Committee used the OpenOffice.org XML format (including SXW) as the starting point for developing ODF 1.0. While SXW was superseded by ODT with OpenOffice.org 2.0 in 2005, existing SXW documents can be opened by LibreOffice, Apache OpenOffice, and document conversion tools.
Developer: Sun Microsystems
Initial release: 2002

Frequently Asked Questions

Why convert WBMP to SXW?

Converting WBMP to SXW embeds your image into a legacy OpenOffice.org document format — useful for reports, archival, and sharing in a universally accepted format.

What programs open SXW files?

Open SXW using LibreOffice Writer, Apache OpenOffice. Cross-platform support means you can access these files on virtually any system.

How long does WBMP to SXW conversion take?

Usually just seconds. WBMP files are typically small, so the upload, conversion, and download process finishes very quickly on Convertio.

Is WBMP to SXW conversion free?

Yes — Convertio offers free WBMP to SXW conversion. Premium options exist for users who need more capacity or faster processing speeds.

Does converting WBMP to SXW affect quality?

Quality is maintained to the extent SXW supports. Since WBMP is a monochrome bitmap from the WAP era for early mobile phones, the visual data transfers cleanly to SXW.