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OpenEXR Converter
Free EXR conversion that runs on your own computer. Nothing is uploaded, nothing is stored. The Windows app converts 800+ formats in batch.
How to Convert .exr Images in Bulk
1. Install reaConverter
2. Select EXR Files
3. Start Conversion
Step by step
See It in Action
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.
Edit & Enhance
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.
User reviews
From those who tried it
Average User Rating:Last updated on August 26, 2026
Questions & Answers
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 Gerber filesConvert picture color spaceConvert PDF filesWatermark imagesConvert vector files
What formats can I convert a EXR file to?
Discover More
Beyond EXR conversion
Convert .exr files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.
