X Window Dump (XWD) is the native screenshot format for X11 windowing systems, capturing pixel data from X displays.
Sigma Raw (X3F) contains raw sensor data from Sigma cameras using the unique Foveon X3 sensor technology.
Reach for XWD when your priority is x11 screenshots, remote display capture — its uncompromising quality ensures every detail is preserved.
Reach for X3F when your priority is sigma/foveon camera raw processing — its uncompromising quality ensures every detail is preserved.
Learn more about XWD and X3F formats in our detailed guide.
Convert XWD files to X3F online for free. High-quality conversion with no registration required.
Upload or enter a URL to convert XWD to X3F instantly
or paste from clipboard
.xwd,.XWD (max 100MB)
Verifying security check…
XWD (XWD screenshots) - X Window Dump, screenshot format for X11 systems. Best for x11 screenshots, remote display capture.
X3F (Sigma X3F raw) - Sigma Raw, Foveon X3 sensor raw format. Ideal for sigma/foveon camera raw processing.
Yes, GoConvertFile offers free conversion of XWD to X3F for files up to 100MB. No registration required.
Most XWD to X3F conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
X3F is ideal for sigma/foveon camera raw processing. Sigma Raw, Foveon X3 sensor raw format
File size after XWD to X3F conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.