Windows Metafile WMF to SVG Vector Converter

Compile legacy 16-bit Windows GDI vector drawing records into modern, scalable SVG paths with zero resolution loss.

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Format Comparison & Technical Specifications

SpecificationWMFSVG
MIME Type-image/svg+xml
Type-vector
Compression-lossless XML text (GZIP compressible via .svgz)
Standard Specification-W3C SVG 2 Specification
Magic Bytes Header-3C 3F 78 6D 6C (<?xml) or 3C 73 76 67 (<svg)

Format Overview & Applications

Windows Metafile (.wmf) was the standard 16-bit vector graphic format for Windows 3.x and legacy Microsoft Office clipart. Today, modern web browsers and non-Windows operating systems cannot render WMF files natively. Converting WMF drawings to Scalable Vector Graphics (SVG) rescues historic diagrammatic and vector assets, making them responsive and web-compatible. All vector translation runs locally in your browser with zero external dependencies.

Technical Specifications & Codec Breakdown

The parser detects standard or Aldus Placeable WMF headers (magic: 9A C6 CD D7). It inspects 16-bit GDI record types including META_POLYLINE (0x0325), META_POLYGON (0x0324), META_RECTANGLE (0x041B), and META_ELLIPSE (0x0418). GDI coordinates are converted into standard XML SVG vector elements (<polyline>, <polygon>, <rect>, <path>) with bounding box viewBox normalization.

OS & Browser Compatibility

SVG is the native vector format of the open web, supported across all browsers (Chrome, Safari, Edge, Firefox), Figma, Illustrator, Inkscape, and mobile platforms.

Useful info

Converted SVGs can be styled with CSS and scaled infinitely to any display resolution without pixelation.

Format Comparison & Technical Specifications

A legacy 45 KB Microsoft Office WMF diagram converts instantly into a clean 12 KB SVG that scales crisply from smartwatch displays to 8K monitors.

Frequently Asked Questions

Can modern web browsers open WMF files directly?

No. Modern web browsers do not support 16-bit Windows GDI metafiles. Converting them to SVG is required for modern web viewing.

Is WMF to SVG conversion lossless?

Yes. Vector draw commands (lines, polygons, ellipses, coordinates) are mapped directly into equivalent SVG vector paths without rasterizing to pixels.