X3F is the RAW image format used by Sigma cameras with Foveon X3 sensors.
XPM is a color image format for X Window System using C source code.
FreeFileConvert uses tuned encoding for X3F to XPM conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload X3F files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized XPM results on any device you rely on.
Process up to 5 files sized 1024 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent XPM images with dependable progress tracking.
X3F files contain three-layer sensor data from Sigma Foveon sensors.
XPM files define images as arrays of color strings, editable in text editors.
Upload your image file in the X3F format from your device.
Select XPM 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.