WMZ to RGB Converter

Turn WMZ data into RGB images — browser-based

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Works on Any Device

Use any device you prefer — the converter runs in the browser, making WMZ to RGB conversion universally accessible.

Quality Output

RGB offers Silicon Graphics native image format. The converter ensures optimal encoding for the best possible RGB result.

Fully Browser-Based

Zero installation. The WMZ to RGB converter lives in the browser — accessible from any machine, any time.

How to convert WMZ to RGB

1

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

2

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

3

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

About formats

WMZ is a compressed variant of the Windows Metafile (WMF) format, introduced by Microsoft with Office 2000 in 1999. A WMZ file is simply a WMF file compressed using the gzip algorithm (RFC 1952), reducing the file size for more efficient storage and embedding within Office documents, web pages, and other containers. The underlying WMF format stores vector graphics as a sequence of GDI (Graphics Device Interface) function calls — commands that draw lines, curves, polygons, text, and bitmaps — recorded in a device-independent format that can be replayed at any resolution. WMZ preserves this vector nature: when decompressed, the file produces a standard WMF that renders through the Windows GDI subsystem using the same drawing primitives as on-screen display, ensuring visual fidelity across different output devices and resolutions. WMZ files are commonly found embedded in Microsoft Office documents (Word, Excel, PowerPoint), HTML email messages generated by Outlook, and web content produced by Office's Save as Web Page feature. The format is also used for clip art and template graphics distributed with Office installations. One advantage is space efficiency: gzip compression typically reduces WMF file sizes by 60-80%, meaningful when many small graphics are embedded in a single document or web page. The format's deep integration with the Microsoft Office ecosystem is another practical strength — WMZ graphics render natively in all Office applications without additional software, and can be extracted, decompressed, and converted using tools like LibreOffice, ImageMagick, Inkscape, and standard gzip utilities.
Developer: Microsoft
Initial release: 1999
RGB is a raw (headerless) image format that stores pixel data as a flat sequence of red, green, and blue sample values with no container structure, compression, or metadata. Each pixel is represented by three consecutive bytes (in 8-bit mode) — one for red intensity, one for green, and one for blue — written in scanline order from the top-left corner of the image to the bottom-right. Because there is no header, the image dimensions and bit depth must be specified externally when reading the file. The format supports multiple bit depths: 8-bit (0-255 per channel), 16-bit (0-65535 per channel), and floating-point variants, with 8-bit being the most common. The RGB color model itself reflects how display hardware produces color — by mixing red, green, and blue light at varying intensities — and raw RGB files represent this model in its most direct digital form. With 8-bit channels, three bytes per pixel yield a 24-bit color palette capable of representing 16,777,216 distinct colors. One advantage is zero-overhead processing: without headers or compression to parse, raw RGB data can be memory-mapped, fed directly into GPU textures, or piped between processing stages with minimal latency — valuable in real-time imaging, scientific instrumentation, and computer vision pipelines where every millisecond matters. The format's universal simplicity provides another practical strength — any programming language can read or write raw pixel data with just basic file I/O, making it a reliable interchange format between custom software that may not share support for structured image containers. Raw RGB files are handled by ImageMagick, FFmpeg, and various scientific and graphics tools.
Initial release: 1990

Frequently Asked Questions

Why convert WMZ to RGB?

The WMZ format has limited viewer support. Converting to RGB ensures broad compatibility across devices.

How do I open RGB files?

Open RGB files with GIMP, IrfanView, SGI workstations. Most operating systems handle RGB natively or with built-in viewers.

Is my WMZ data kept private?

Convertio deletes uploaded WMZ files immediately after conversion. RGB outputs are automatically purged within 24 hours.

What quality can I expect from RGB output?

RGB provides Silicon Graphics native image format. The converter optimizes output for the best balance of quality and compatibility.

How long does WMZ to RGB conversion take?

Conversion is fast — usually a matter of seconds. Complex or large WMZ files may need slightly more time.

Can I convert multiple WMZ files at once?

Batch conversion is supported — upload several WMZ files and each will be independently converted to RGB format.