X3F File — Open & Convert .x3f Online
What Is a .x3f File?
X3F (.x3f) is a image file format. Sigma/Foveon RAW Created by Sigma, this format is essential for photographers, designers, and developers.
How to Open .x3f Files
Upload your .x3f file to OpenAnyFile and instantly view and edit it in your browser. No software installation required. Works on Windows, macOS, Linux, iPhone, and Android.
Everything About X3F Files
Popular X3F Conversions
Frequently Asked Questions
What is a .x3f file?
A .x3f file is a image format called X3F. Sigma/Foveon RAW
How do I open a .x3f file without installing software?
Upload your .x3f file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .x3f files?
.x3f files are typically created by Sigma.
Can I convert .x3f to another format?
Yes. OpenAnyFile converts .x3f to PNG, TIFF, JPG, DNG.
Is it safe to open .x3f files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .x3f on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.