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X3F Converter
Convert X3F RAW files without sending them to a server. The browser converter is free and unlimited, and the desktop app handles full shoots.
How to Convert .x3f Photos in Bulk
1. Install reaConverter
2. Select X3F Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless X3F file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
Edit & Enhance
Do more with your images
Converting X3F images for use in a workflow? Touch up, transform, apply editing and effects to your images during conversion.
Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.
User reviews
From those who tried it
Average User Rating:Last updated on June 30, 2026
Questions & Answers
X3F images: Frequently Asked Questions
What are X3F files?
X3F is a raw photo format developed by Sigma for their cameras. The format contains uncompressed sensor data captured by the camera, which allows for a high degree of flexibility when it comes to processing the image. X3F files typically have a .x3f file extension and require specialized software to view and edit. Since the format is specific to Sigma cameras, compatibility with other software and devices may be limited.
Can reaConverter open X3F files?
reaConverter fully supports the X3F image format – open, edit, and export X3F files to any other popular file format with ease.
How do I change X3F to another format?
reaConverter is a user-friendly tool for converting X3F files. Once installed on your computer, it allows you to convert all your .x3f files at once with just a few clicks. You can even convert x3f images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert X3F online?
If you only want to convert a few X3F images, you are welcome to try our free online X3F converter.
How can I turn X3F files on my computer to another format?
The best way to convert X3F images on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from X3F.
How can I automate X3F files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert X3F files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line x3f converter.
What else can I do with reaConverter?
Convert Gerber filesConvert RGB to CMYKConvert DICOM filesCrop picturesConvert GIS files
What formats can I convert a X3F file to?
Discover More
Beyond X3F conversion
Convert .x3f files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
