HDR to JPG/JPEG — Free Online Image Converter
Convert HDR to JPG/JPEG online for free. Private, client-side — no upload required. Fast batch converter.
About HDR to JPG/JPEG
Convert HDR to JPG/JPEG. HDR (Radiance RGBE) stores high-dynamic-range lighting with 32 bits per pixel. JPG is the same JPEG codec under the three-letter extension from DOS-era naming. No transparency support, so alpha channels are dropped..
Why convert HDR to JPG/JPEG?
- Smaller files with JPG/JPEG lossy compression.
- Keep quality where supported.
- Free, private, no upload - runs in your browser.
HDR vs JPG/JPEG
| Animation | No | No |
|---|---|---|
| Transparency | No | No |
| Compression | lossless high dynamic range | lossy |
| Typical use | HDR (Radiance RGBE) stores high-dynamic-range lighting with 32 bits per pixel. | JPG is the same JPEG codec under the three-letter extension from DOS-era naming. |
When not to convert HDR to JPG/JPEG
- Skip JPG/JPEG for archival masters: lossy compression discards detail, so keep the HDR original.
- Keep a master copy: repeated exports stack small losses, so archive HDR before batch JPG/JPEG shares.
Limits
Starting point: HDR - HDR (Radiance RGBE) stores high-dynamic-range lighting with 32 bits per pixel. Tone mapping compresses highlights into display range on export. No transparency support, so alpha channels are dropped. Set the quality slider near 80-90 for JPG/JPEG photos from HDR, and keep dimensions matched to the source.
How conversion works
Conversion runs entirely in your browser with the WASM image engine. Files never leave your device.