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.

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X3F
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X3FConverter

How to Convert .x3f Photos in Bulk

1. Install reaConverter

Download reliable X3F conversion software to convert multiple .x3f files and folders in one go.
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Install reaConverter

2. Select X3F Files

Select X3Fs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load X3F files

3. Start Conversion

Click Convert to start the bulk conversion of all selected X3F images. The process will begin right away.
reaConverter - Start X3F conversion

Convert X3F on your PC

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.

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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.

Image editing tools
Image editing

User Reviews

Average User Rating:
Last updated on May 31, 2026
"Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly."
Mark Jones
Mark Jones
Happy User
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Jason P. Bailey
Non-Profit Coordinator
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Henry R.
Happy User
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically, exactly how I need it. This is pro-level automation made simple."
Chloe M.
Chloe M.
Freelance Illustrator

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 DICOM filesResize pictureConvert PDF filesWatermark imagesCopy metadata (EXIF, IPTC)

What formats can I convert a X3F file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcm  dcx  dds  dgn  dis  dng  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

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.
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Free trial · Windows 10/11 · 64-bit · v8.0.240 · Files never leave your computer
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