Free Sample Image Files Download
Free Sample XWD Files Download

Free Sample XWD Files Download

Download free sample XWD (X Window Dump) image files to explore screen-capture images produced by the X Window System's xwd utility. Use these samples for testing, debugging, and image conversion tasks.

What Is This Tool?

XWD files are screen-capture images created by the X Window System's xwd utility. These files contain a header with display information and raw pixel data, representing a snapshot of X11 windows or desktops.

How to Use This Tool?

  • Download sample XWD files to test compatibility with X11 screen-capture applications
  • Use samples to convert XWD images into common formats like PNG or JPEG
  • Analyze raw pixel data and header metadata for troubleshooting or software development
  • Incorporate samples into automated scripts requiring precise framebuffer captures

Key Features

  • Lossless preservation of screen captures including pixel and visual metadata
  • Simple header and raw data format that is easy to interpret and manipulate
  • Produced natively by X11 tools and supported by various image-conversion utilities
  • Captures exact framebuffer content useful for debugging and documentation

Examples

  • Captured screenshots of an X11 desktop session stored as XWD format
  • Sample XWD images used for verifying image conversion tools such as ImageMagick
  • Raw framebuffer dumps from X11 applications used in testing environments

Common Use Cases

  • Debugging and documenting graphical outputs from X11 applications
  • Archiving exact visual contents of X11 windows for reproduction
  • Converting XWD images to standard formats for sharing or web use
  • Automated testing environments requiring capture of precise raw framebuffer data

Tips & Best Practices

  • Convert XWD files to compressed formats for easier sharing and storage
  • Be aware of system endianness and depth when transferring files across platforms
  • Use reliable conversion utilities that correctly interpret XWD header information
  • Leverage sample files to validate screen capture workflows and automated scripts

Limitations

  • Large file sizes due to uncompressed raw pixel data
  • Potential portability issues caused by endianness and depth dependency
  • Limited native support in most modern image viewers
  • Absence of advanced metadata like EXIF or compression profiles

Frequently Asked Questions

What is an XWD file?
An XWD file is a screen-capture image format created by the X Window System's xwd utility, storing raw pixel data and metadata about the display.

How can I view XWD files?
Most modern viewers require converting XWD files to common formats like PNG or JPEG using image conversion tools such as ImageMagick.

Why are XWD files large in size?
XWD files contain uncompressed raw pixel data, resulting in larger file sizes compared to compressed image formats.

Key Terminology

XWD
A screen-capture image format generated by the X Window System's xwd utility containing header information and raw pixel data.
X11
A windowing system providing the standard toolkit and protocol to manage graphical user interfaces on Unix and Unix-like operating systems.
Framebuffer
A portion of memory containing raw pixel data representing the displayed image on a screen.

Quick Knowledge Check

What type of data does an XWD file store?
What is a common use of XWD files?
Which limitation applies to XWD files?