FIT Converter
Try our offline FIT image converter. Every year thousands of users around the world save thousands of hours using reaConverter!
How to Convert .fit Images in Bulk
1. Install reaConverter
2. Select FIT Files
3. Start Conversion
Convert FIT on your PC
For quick and effortless FIT 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.
Do more with your images
Converting FIT 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.
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Last updated on February 27, 2025
FIT images: Frequently Asked Questions
What are FIT files?
FIT (Flexible Image Transport System) is a digital file format commonly used in astronomy to store and share astronomical images and data. FIT files can contain multiple images or data arrays, as well as metadata about the images, such as the exposure time, telescope used, and filters used. FIT files are widely supported by astronomy software and can be easily converted into other formats if needed.
Can reaConverter open FIT files?
reaConverter fully supports the FIT image format – open, edit, and export FIT files to any other popular file format with ease.
How do I change FIT to another format?
reaConverter is a user-friendly tool for converting FIT files. Once installed on your computer, it allows you to convert all your .fit files at once with just a few clicks. You can even convert fit images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert FIT online?
If you only want to convert a few FIT images, you are welcome to try our free online FIT converter.
How can I turn FIT files on my computer to another format?
The best way to convert FIT 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 FIT.
How can I automate FIT 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 FIT 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 fit converter.
What else can I do with reaConverter?
Convert DICOM imagesResize pictureConvert vector imagesConvert picture color spaceCopy IPTC data
What formats can I convert a FIT file to?
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