WMF to WBMP Converter

Convert WMF to WBMP — wireless bitmap, free online

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Mobile-Ready Images

Convert WMF graphics to WBMP — the lightweight monochrome format designed for mobile and low-bandwidth environments.

Cloud-Powered

The entire WMF to WBMP conversion runs on Convertio servers. Your device resources stay completely untouched.

Simple Three-Step Flow

Upload WMF, select WBMP, download the result. The whole process is intuitive and takes just a few clicks.

How to convert WMF to WBMP

1

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

2

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

3

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

About formats

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
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

Frequently Asked Questions

Why convert WMF to WBMP?

WBMP is designed for mobile and WAP applications. Converting WMF to WBMP creates lightweight monochrome images for constrained environments.

What opens WBMP files?

WBMP files can be opened by mobile WAP browsers, GIMP, IrfanView, and various image utility programs.

Does the conversion reduce image quality?

WBMP is a monochrome format, so color information is lost. The conversion preserves structural clarity in black and white.

Is WMF to WBMP conversion free?

Yes — Convertio offers free conversion for standard use. Premium plans cover higher volumes and larger files.

How fast is the process?

WBMP files are tiny, so conversion finishes almost instantly. Cloud servers handle it with minimal latency.

Can I convert several WMF files at once?

Batch conversion is supported. Upload multiple WMF files and get them all as WBMP in one go.

WMF to WBMP Quality Rating

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