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Image Format

X3F Converter — Free Online

Convert Sigma/Foveon RAW files to and from other formats. Fast, free, no registration required.

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Convert to X3F

JPG to X3F→PNG to X3F→WebP to X3F→HEIC to X3F→GIF to X3F→BMP to X3F→

Convert from X3F

X3F to JPG→X3F to PNG→X3F to WebP→X3F to HEIC→X3F to GIF→X3F to BMP→

What is X3F?

X3F is Sigma's proprietary RAW format for cameras using the unique Foveon X3 sensor, which captures all three color layers at every pixel location unlike conventional Bayer sensors.

Format Details

Full Name
Sigma/Foveon RAW
Extension
.x3f

Key Features

  • Foveon X3 sensor
  • Full-color pixels
  • Sigma cameras
  • Unique color capture

Frequently Asked Questions

Upload your file, select X3F as the output format, and click Convert. Your converted file will be ready to download in seconds.
You can convert most image formats to X3F, including JPG, PNG, WebP, HEIC, GIF, and more.
Yes! You can convert up to 5 files per day completely free. No registration required.