XWD to PBM Converter

XWD to PBM conversion — modern image format in seconds

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Simple Interface

Three steps to convert: upload your XWD, select PBM, and download. The clean interface makes the process intuitive even for first-time users.

Privacy Protected

Your XWD files are deleted immediately after conversion to PBM. Converted files are automatically removed from servers within 24 hours.

No Install Required

The entire XWD to PBM conversion happens in your browser. No plugins, no desktop apps — just upload, convert, and download.

How to convert XWD to PBM

1

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

2

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

3

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

About formats

XWD (X Window Dump) is a screen capture image format defined as part of the X Window System by the MIT X Consortium, dating to approximately 1987. The xwd command-line utility captures the contents of an X window or the entire screen and saves it as an XWD file — functionally equivalent to a screenshot utility but predating the concept by years. XWD files contain a detailed header specifying the X server's visual type, bit depth, byte order, bitmap unit and padding, the window's dimensions, border width, and color map information, followed by the raw pixel data exactly as represented in the X server's framebuffer. This means XWD files faithfully capture the exact pixel representation used by the display hardware — including server-specific byte ordering, padding, and color organization — making them primarily useful on the system where they were captured or on systems with compatible display configurations. The header also stores the window name string and the full color map entries for indexed-color visuals. XWD supports all X11 visual types: StaticGray, GrayScale, StaticColor, PseudoColor, TrueColor, and DirectColor, at any bit depth supported by the X server. One advantage is exact framebuffer fidelity: XWD captures the window's pixel data in its native format without any color space conversion or compression, making it the definitive record of what the X server was actually displaying. The format's integration with the X11 command-line toolkit provides another practical benefit — xwd can capture specific windows by ID or name, be triggered remotely via SSH, and piped directly to format converters. XWD files are handled by ImageMagick, GIMP, xwud (the viewer companion to xwd), and xv.
Developer: MIT X Consortium
Initial release: 1987
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

Frequently Asked Questions

Why convert XWD to PBM?

Few modern tools handle XWD natively. PBM provides simple monochrome bitmap in plain text or binary, making it widely recognized across operating systems and applications.

What programs open PBM files?

Open PBM using GIMP, ImageMagick, IrfanView, XnView. Cross-platform support means you can access these files on virtually any system.

What exactly is the XWD format?

The XWD format is a screen capture format from X Window System, rooted in Unix/X11 screenshots. Modern software rarely supports it natively, making conversion essential.

Can I convert multiple XWD files to PBM at once?

Yes — upload several XWD files in one session and Convertio processes them all into PBM simultaneously, saving you time.

Does converting XWD to PBM affect quality?

Your image content stays intact during conversion. Any differences depend on PBM characteristics — such as color depth or compression method.

Are my uploaded files kept private?

Yes — your XWD files are deleted immediately after processing. The resulting PBM files are also removed from servers within 24 hours.