Convert HDR to AVIF Online — Free
Fast, free HDR to AVIF converter. No registration required.
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How to Convert
Upload your .hdr file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .avif file when it's ready.
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
What is AVIF?
AVIF is a modern image format based on the AV1 video codec. It offers the best compression available, outperforming both WebP and JPEG.
Format Details
- Full Name
- AV1 Image File Format
- Extension
- .avif
Key Features
- Best compression
- HDR support
- Transparency
- Modern browsers
HDR vs AVIF
| Feature | HDR | AVIF |
|---|---|---|
| Full Name | Radiance HDR | AV1 Image File Format |
| Extension | .hdr | .avif |
| Best For | High dynamic range | Best compression |