WBMP to WMF Converter

Raster-to-vector: convert WBMP to WMF format online

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Batch Processing

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

Lightning Fast

WBMP files are small and convert to WMF in seconds. The cloud-based engine handles the transformation quickly so you can download right away.

Scalable Output

WMF offers legacy Windows vector format — your WBMP bitmap becomes a vector graphic that scales cleanly to any resolution.

How to convert WBMP to WMF

1

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

2

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

3

Let the file convert and you can download your wmf 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
WMF (Windows Metafile) is a vector graphics format created by Microsoft, introduced with Windows 3.0 in May 1990 as the platform's native format for recording and replaying graphical operations. A WMF file captures a sequence of GDI (Graphics Device Interface) drawing commands — lines, rectangles, ellipses, polygons, text, and bitmap blits — in the order they were issued, serializing screen or printer output into a replayable file. The format uses a 16-bit coordinate space and organizes records as a linear stream of function calls with their parameters, preceded by a header specifying the bounding rectangle and resolution. WMF became deeply integrated into the Windows ecosystem as the default format for clip art collections, Office document graphics, and clipboard vector interchange during the 1990s — Microsoft Office shipped with thousands of WMF clip art images that defined a visual era of desktop publishing. One advantage is pervasive compatibility: virtually every Windows application from the past three decades can render WMF content, making it one of the most widely supported vector formats in existence. The lightweight recording model is another strength — WMF files are compact and render quickly because they replay native system drawing calls rather than interpreting a complex graphics language. While 16-bit limitations and lack of transparency and Bezier curves led Microsoft to develop EMF as a 32-bit replacement, WMF files remain ubiquitous in legacy documents and across current Windows software.
Developer: Microsoft
Initial release: May 22, 1990

Frequently Asked Questions

Why convert WBMP to WMF?

WMF provides legacy Windows vector format, which WBMP cannot offer. This conversion lets you move from fixed-resolution bitmaps to flexible vector artwork.

What programs open WMF files?

Open WMF using Microsoft Office, LibreOffice, IrfanView, XnView. Cross-platform support means you can access these files on virtually any system.

What platforms support this WBMP converter?

Since it runs in the browser, any operating system works — desktop or mobile. No platform-specific software is needed to convert WBMP to WMF.

Is WBMP to WMF conversion free?

You can convert WBMP to WMF for free on Convertio. Premium plans are available if you need higher throughput or larger file allowances.

How long does WBMP to WMF conversion take?

Conversion is nearly instant for most WBMP files. Since these are small images, the entire process — upload to download — takes only moments.

What exactly is the WBMP format?

WBMP is a monochrome bitmap from the WAP era for early mobile phones. Originally from WAP mobile phones, it has become a legacy format — conversion is the most practical way to use these images today.

WBMP to WMF Quality Rating

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