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Image Conversion

Convert WebP to X3F Online — Free

Fast, free WebP to X3F converter. No registration required.

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Works Everywhere

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How to Convert

1

Upload your .webp file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .x3f file when it's ready.

What is WebP?

WebP is a modern image format developed by Google. It provides superior compression compared to JPG and PNG while supporting both lossy and lossless modes plus animation.

Format Details

Full Name
WebP Image
Extension
.webp

Key Features

  • Superior compression
  • Transparency support
  • Animation support
  • Web optimized

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

WebP vs X3F

FeatureWebPX3F
Full NameWebP ImageSigma/Foveon RAW
Extension.webp.x3f
Best ForSuperior compressionFoveon X3 sensor

Frequently Asked Questions

Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.

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