OpenEXR Converter

Free EXR conversion that runs on your own computer. Nothing is uploaded, nothing is stored. The Windows app converts to 700+ formats in batch.

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EXR
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EXRConverter

How to Convert .exr Images in Bulk

1. Install reaConverter

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

2. Select EXR Files

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

3. Start Conversion

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

Convert EXR on your PC

For quick and effortless EXR 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 EXR 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 June 27, 2026
"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
"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
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
Happy User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
Satisfied Customer
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
Jamal Bailey
Jamal Bailey
Satisfied Customer
"I'd been searching for reliable conversion software forever — reaConverter has everything I need! After installing and watching the tutorial, I had my files converted to the perfect format in minutes. Flawless experience!"
Sanjay Mehta
Sanjay Mehta
Satisfied Customer

EXR images: Frequently Asked Questions

What are EXR files?

The EXR OpenEXR file format is a high-dynamic-range (HDR) image format developed by Industrial Light & Magic (ILM) for visual effects and digital imaging. It supports multi-channel imaging, 32-bit floating-point precision, and lossless or lossy compression. EXR files are ideal for professional post-production workflows, allowing for extensive tonal detail, especially in highlights and shadows, and are widely used in film, 3D rendering, and animation.

Can reaConverter open EXR files?

reaConverter fully supports the OpenEXR image format – open, edit, and export EXR files to any other popular file format with ease.

How do I change EXR to another format?

reaConverter is a user-friendly tool for converting EXR files. Once installed on your computer, it allows you to convert all your .exr files at once with just a few clicks. You can even convert exr images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert EXR online?

If you only want to convert a few EXR images, you are welcome to try our free online EXR converter.

How can I turn EXR files on my computer to another format?

The best way to convert EXR 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 EXR.

How can I automate EXR 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 EXR 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 exr converter.

What else can I do with reaConverter?

Convert DICOM filesResize pictureConvert RAW photo formatsConvert vector filesConvert picture color space

What formats can I convert a EXR file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  cit  dcm  dcx  dds  dgn  dis  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 EXR conversion

Convert .exr 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 · v8.0.244 · Files never leave your computer
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