PBM to WMF Converter

Turn PBM raster images into scalable WMF format

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Reliable Output

Count on accurate results from your PBM to WMF conversion. The converter faithfully reproduces your original content.

Cloud Processing

The heavy lifting happens on our servers. Your device does not process anything — just upload PBM and download WMF.

Any Device, Any OS

Desktop, laptop, tablet, phone — the converter handles PBM to WMF equally well on every device and operating system.

How to convert PBM 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

PBM (Portable Bitmap) is the monochrome (black and white, 1-bit) member of the Netpbm family of image formats, created by Jef Poskanzer in 1988 as part of the Pbmplus toolkit for Unix systems. The format exists in two variants: ASCII (magic number P1), where each pixel is represented as a text character '0' (white) or '1' (black) separated by whitespace, and binary (magic number P4), where pixels are packed eight per byte for compact storage. Both variants begin with a plain-text header specifying the magic number, image width and height, and optional comments. PBM was designed as the simplest possible image format — a bridge format for converting between the many incompatible raster formats that proliferated across different Unix systems and applications during the 1980s. The Netpbm philosophy was to convert any source format to PBM/PGM/PPM as an intermediate step, then convert to the target format, using the portable formats as a universal exchange layer. One advantage is extreme simplicity — the ASCII variant can be literally typed by hand in a text editor, and both variants are trivial to parse and generate in any programming language without external libraries. The format's role as a universal image processing intermediate is another strength: hundreds of Netpbm command-line tools accept PBM input, enabling complex image manipulation pipelines through Unix pipes. PBM remains used in computer science education, OCR preprocessing, and any context where a dead-simple monochrome image representation is needed.
Developer: Jef Poskanzer
Initial release: 1988
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 PBM to WMF?

WMF offers legacy Windows vector — converting from raster PBM gives you scalable output for print and design work.

What programs open WMF files?

WMF files are supported by Microsoft Office, IrfanView, LibreOffice Draw. Pick whichever application suits your operating system and workflow.

Can I edit the WMF file afterward?

Yes — open the WMF output in vector editors to modify paths, colors, and shapes. The format supports full editing capability.

Does batch conversion to WMF work?

Batch processing is available. Upload several PBM files and produce individual WMF outputs for each one.

Will the output be truly scalable?

Vector WMF files scale infinitely. Enlarge or shrink the output without any degradation in visual quality.