X3F Converter
Free online X3F converter. Convert x3f files to and from other formats in seconds — no software install, no watermark, no sign-up required.
Pick the exact conversion you need below
Every X3F conversion has its own dedicated, free tool — scroll down and choose one.
About X3F Converter
X3F (Sigma RAW) is Sigma's Foveon camera RAW format. This free x3f converter lets you change X3F files into other formats — and convert other files into X3F — quickly, privately and without installing anything.
How to use X3F Converter
Upload your file by dragging it into the box above or clicking to browse — files up to 100MB are supported.
The X3F conversion starts automatically and runs securely in your browser, so your files never leave your device.
Preview the result, then click Download to save the converted file.
Convert X3F to…
What is a X3F file?
X3F stands for Sigma RAW. It is Sigma's Foveon camera RAW format. Knowing when to keep a file as X3F and when to convert it makes a real difference: every format has its own balance of quality, file size and compatibility.
If an app or website won't accept your x3f file, converting it is the fastest fix — and this free x3f converter does it in seconds, with no software to install and no watermark on the result.
Convert X3F files free, fast and private
Pick any conversion below — every one is free, works on phones and computers, and never uploads your file to a server when the conversion can run in your browser. That means no queues, no size games and no privacy worries.
Frequently Asked Questions
What is a X3F file?+
X3F stands for Sigma RAW. It is Sigma's Foveon camera RAW format.
How do I convert a X3F file?+
Upload your X3F file, choose the format you want, and download the converted result — or pick a dedicated x3f conversion below.
Is this x3f converter free?+
Yes, completely free with no limits, watermarks or registration.
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