PNG to XWD conversion is the process of transforming a Portable Network Graphics (PNG) raster image into an X Window Dump (XWD) file, a bitmap format used by the X Window System to store screenshots and raw framebuffer data. This conversion packages image pixels and metadata into the XWD layout so the image can be used or inspected by X Window utilities and legacy Unix graphical tools.
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Read guide →Drag your .png file from your computer or use the browse function.
Confirm .xwd as the selected destination format.
Click "Convert" and download your converted .XWD file once ready.
The PNG format uses the MIME type image/png and supports lossless compression, making it ideal for high-quality image storage. XWD files use the MIME type image/x-xwindowdump and store raw pixel data captured from the X Window System. Typically, XWD files are used for screen snapshots and graphical debugging in Unix/Linux systems without additional codecs.
The XWD (.XWD) format is commonly used for document. Understanding its characteristics can be helpful when converting to or from other formats like PNG.
While specific technical details aren't available here, XWD files generally serve the purpose of storing document effectively within their domain.
Convert your PNG images to XWD format effortlessly with our online converter. Designed for users needing a reliable and fast tool to transform PNG files into XWD without software installation. Ideal for those working with Document category files requiring XWD format compatibility.
PNG is a popular raster image format known for lossless compression and wide compatibility across platforms. XWD, on the other hand, is a platform-specific format primarily used in the X Window System for storing screen captures and graphical data. While PNG excels in general image sharing, XWD is better suited for Unix-based graphical environments and applications.
Keep source PNGs under 100–200MB for smooth browser-based conversion; very large bitmaps can be slow or time out.
Preserve transparency: XWD does not have a standardized alpha channel handling across all viewers; flatten PNGs onto a background color before converting if you need consistent results.
For best visual fidelity, convert PNGs whose color depth matches the target XWD depth (e.g., convert 24/32-bit PNGs to 24/32-bit XWD) to avoid color banding.
Use batch conversion tools (command-line utilities like ImageMagick's "convert" or scripts) for multiple files to maintain consistent settings and save time.
This PNG to XWD converter saved me hours when working on Linux GUI testing.
James L.
Developer
The quality of converted XWD images is impressive and accurate.
Maria S.
Graphic Designer
Quick, reliable, and easy to use – perfect for converting screenshots.
Alex P.
System Administrator
Start your free PNG to XWD conversion now.
Drag your file here to to upload.
Up to 250MB
Format limitation: XWD is essentially an uncompressed screen dump and lacks modern metadata containers — EXIF/PNG textual chunks won’t be preserved in the XWD file.