X3F to PNG Converter

Convert X3F to PNG online, for free.



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Keep original size
Choose how to set the output size: keep the original, enter a width or height and we'll keep the aspect ratio, enter both dimensions, or scale by a percentage. Use "Keep original" to leave its dimensions unchanged.
Lossy Compression
Choose how much to compress the PNG. "Lossy" gives the smallest files at the cost of image quality; "Auto" picks a level for you.
Lower values give better compression (at the cost of image quality)
Makes the color you pick transparent in the PNG output. Use the color picker or enter a hex value (e.g. #FFFFFF).
Correctly orient the image using the gravity sensor data stored in EXIF
Strip the image of any profiles, EXIF, and comments to reduce size

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How to Convert X3F to PNG?

  1. Click the “Choose Files” button to select your X3F files.
  2. Click the “Convert to PNG” button to start the conversion.
  3. When the status change to “Done” click the “Download PNG” button

Easy to Use

Simply upload your X3F files and click the convert button. You can also batch convert X3F to PNG format.

Best Quality

We use both open source and custom software to make sure our conversions are of the highest quality. In most cases, you can fine-tune conversion parameters using “Advanced Settings” (optional, look for the icon).

Free & Secure

Our X3F to PNG Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically deleted after 8 hours.


SIGMA X3F is the raw file format produced by Sigma cameras that use the Foveon X3 sensor. Unlike a conventional Bayer sensor, Foveon records red, green, and blue at every pixel location in three stacked layers, so an X3F stores three full colour measurements per pixel. This produces exceptionally sharp detail and colour accuracy, and it is also why X3F files are unusually large and demand Sigma-aware software.

 

How to open an X3F file?

The definitive application is Sigma’s SIGMA Photo Pro, which is the only program that fully understands the Foveon layer structure and delivers the intended colour.

 

Adobe Lightroom and RawTherapee can open many X3F files, though results vary by camera model, and XnView MP is handy for browsing. A common workflow is to develop the X3F in SIGMA Photo Pro, export a TIFF, and finish the edit elsewhere. You can also convert the file with our X3F to JPG tool.

 

Developed by: Sigma Corporation

Initial Release: 2002


Portable Network Graphics (PNG) is a raster-based file type that compresses images for portability. PNG images can have RGB or RGBA colors and support transparency, which makes them perfect for use in icons, or graphic designs. PNG also supports animations with better transparency (try our GIF to APNG). The benefits of using PNG are Plus, PNG is an open format that uses lossless compression. 

How to open a PNG file?

Generally, PNG files will open in your operating system’s default image viewer. PNG files are also easily viewable on all web browsers. If you are having trouble opening PNG files, use our PNG to JPG, PNG to WebP, or PNG to BMP converters.


Alternative programs such as GIMP or Adobe Photoshop are useful for opening and editing PNG files. PNG files are a bit larger than other file types, so exercise caution when adding them to a web page. One interesting feature of PNG files is the ability to create transparency in the image, particularly a transparent background. 


Developed by: PNG Development Group

Initial Release: 1 October 1996

Useful links: 

LifeWire article on PNGs

Wiki article on PNGs

Related PNG Tools: 

Use our Color Picker to pick colors from images

Freeconvert.me can convert your X3F files to these other formats:

Freeconvert.me can convert your files to these related formats:


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