PNM is a generic term for PBM, PGM, and PPM formats from the Netpbm family.
XWD (X Window Dump) is an image format for X Window System screen captures.
FreeFileConvert uses tuned encoding for PNM to XWD conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload PNM files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized XWD results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent XWD audio with dependable progress tracking.
PNM files use simple ASCII or binary format for portable image storage.
XWD files contain raw pixel data with X11 window attributes.
Upload your image file in the PNM format from your device, Dropbox, or Google Drive.
Select XWD as the output format and click Convert. Adjust optional settings if needed.
Download the converted image file. Each file stays available for up to 5 downloads.