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View HDR Files Online

Use this free tool to view your HDR (Radiance RGBE) files online without needing to download or install any software. Our HDR viewer tool will render your file within the browser with the ability to view full screen if needed.

How to View your HDR File Online?

Here are two simple steps to display your HDR file in any web browser.

Upload an HDR

Click the "Upload a File" button and select an HDR to upload. The maximum file size is 100MB.

View your HDR

Once processed, your HDR file will be displayed in the web browser.

File Format Information for HDR

Full NameRadiance RGBE
Mime Typeapplication/octet-stream
ToolsHDR Converters, Create Cookie Cutter, HDR Viewer


An HDR image (High Dynamic Range) is an image format created to capture a photographic scene in extremely high detail. The format stores multiple exposures at different settings to capture the maximum amount of detail.

While most image formats are limited to 8 bits of data per color channel, the HDR format supports 32 bits per channel, allowing a vast amount of color information to be preserved using this format.

HDR Features

  • Supports Lossy Compression
  • Supports Non Lossy Compression
  • Supports Transparency
  • Supports Color Palettes
  • Supports Monochrome (1-Bit)
  • Supports 16 Colors (4-Bit)
  • Supports 256 Colors (8-Bit)
  • Supports 16 Million Colors (24-Bit)

Frequently Asked Questions

How can I view my HDR file online?

First, click the "Upload..." button and select the HDR file you wish to view. Once your HDR file has been received it will be displayed in your browser.

How long does it take to view my HDR file?

We aim to process all HDR file viewing requests as quickly as possible, this usually takes around 5 seconds but can be more for larger or more complex files so please be patient.

How accurate is the HDR file viewer?

We aim to create the most accurate rendition of your HDR file with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to view my HDR file on ImageToStl.com?

Yes, of course! We do not store the HDR file you submit. The generated preview file within your browser is deleted after 15 minutes,

Can I view my HDR file on Windows, Linux, Android, iOS or Mac OS?

Yes! Our HDR file viewer will run on any system with a modern web browser. No specialist software is needed to use our file viewing tools.

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