HDR Converter

Get reaConverter, our fast and easy HDR image converter software. It will help you to convert multiple .hdr files in one go.

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reaConverter
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HDR Files
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HDRConverter

How to Convert .hdr Images in Bulk

1. Install reaConverter

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

2. Select HDR Files

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

3. Start Conversion

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

Convert HDR on your PC

For quick and effortless HDR 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 HDR 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 30, 2025
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"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
"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
"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
"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically, exactly how I need it. This is pro-level automation made simple."
Chloe M.
Chloe M.
Freelance Illustrator
"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

HDR images: Frequently Asked Questions

What are HDR files?

The HDR (High Dynamic Range) file format is used to store images with a broader range of color and brightness levels than standard formats. It preserves rich details in both dark and bright areas of a scene, making it ideal for realistic lighting in 3D rendering, photography, and visual effects. HDR files often use floating-point precision and are commonly applied in imaging workflows that require high fidelity and accurate tone mapping.

Can reaConverter open HDR files?

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

How do I change HDR to another format?

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

Can I convert HDR online?

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

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

The best way to convert HDR 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 HDR.

How can I automate HDR 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 HDR 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 hdr converter.

What else can I do with reaConverter?

Copy EXIF dataConvert CAD formatsSet picture bit depthConvert vector imagesChange image color space

What formats can I convert a HDR 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 

Discover more

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