SIR Converter

Use our full-featured utility to easily convert your SIR files into other file format in seconds — perfect for batch conversion and processing.

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reaConverter
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SIR Files
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How to Convert .sir Files in Bulk

1. Install reaConverter

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

2. Select SIR Files

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

3. Start Conversion

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

Convert SIR on your PC

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.

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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.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on November 01, 2025
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer
"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
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect
"I deal with hundreds of images daily, and reaConverter has been a lifesaver. The Watch Folders feature lets me automate file conversions without lifting a finger. I set up a folder for incoming files and it automatically resizes, renames, and converts them into the formats I need. It's like having a personal assistant!"
Sarah T.
Sarah T.
Graphic Designer
"This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"
Kevin Harris
Kevin Harris
Happy User

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?

Convert Gerber filesCrop imagesConvert PDF filesWatermark picturesChange file creation date

What formats can I convert a SIR file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  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  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  xbm  xpm 

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Explore our efficient SIR file converter that saves you time and effort by converting multiple .sir files into different formats.
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