100% Secure & Private
SIR Converter
SIR conversion that keeps your files private. reaConverter runs offline on your PC with full batch processing.
How to Convert .sir Files in Bulk
1. Install reaConverter
2. Select SIR Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless SIR 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.
Extra Tools
Do more with your files
Converting SIR files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.
Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.
User reviews
From those who tried it
Average User Rating:Last updated on June 28, 2026
Questions & Answers
SIR files: Frequently Asked Questions
What are SIR files?
The BYU-MERS format, also known as SIR, is commonly used by organizations like NASA to store data and space captions related to planet earth. It was created by researchers in Microwave Earth Remote Sensing at Brigham Young University (BYU) and is considered to be a rare format.
Can reaConverter open SIR files?
reaConverter fully supports the SIR file format – open, edit, and export SIR files to any other popular file format with ease.
How do I change SIR to another format?
reaConverter is a user-friendly tool for converting SIR files. Once installed on your computer, it allows you to convert all your .sir files at once with just a few clicks. You can even convert sir images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert SIR online?
If you only want to convert a few SIR files, you are welcome to try our free online SIR converter.
How can I turn SIR files on my computer to another format?
The best way to convert SIR files 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 SIR.
How can I automate SIR 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 SIR 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 sir converter.
What else can I do with reaConverter?
Trace images to vectorChange bit depthConvert DICOM filesCrop imagesConvert RAW files
What formats can I convert a SIR file to?
Discover More
Beyond SIR conversion
Convert .sir 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.
