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Image Format

HDR Converter — Free Online

Convert Radiance HDR files to and from other formats. Fast, free, no registration required.

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Convert to HDR

Convert from HDR

What is HDR?

HDR (Radiance) is a high dynamic range image format used in 3D rendering, lighting design, and photography. It stores full floating-point color data for realistic lighting effects.

Format Details

Full Name
Radiance HDR
Extension
.hdr

Key Features

  • High dynamic range
  • 3D rendering
  • Lighting design
  • Float precision

Frequently Asked Questions

Upload your file, select HDR as the output format, and click Convert. Your converted file will be ready to download in seconds.
You can convert most image formats to HDR, including JPG, PNG, WebP, HEIC, GIF, and more.
Yes! You can convert up to 5 files per day completely free. No registration required.