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Format · Raster

Radiance HDR

Radiance RGBE (.hdr)

Lolly makes this format

The original high-dynamic-range image format (.hdr), long used for lighting and 360° environment maps in 3D. It packs a huge brightness range into a compact RGBE encoding. Lolly's Bitmap Studio writes a Radiance master from its float pixels, keeping the unbounded linear values for HDR and lighting workflows. Export-only.

Most tools like this are upload sites: your file goes to their server, and ads pay the bill. Lolly runs on your device, so your file stays with you.

  • Runs on your device
  • Free, no account
Do it now

What Lolly supports

  • Pixel raster image
  • HDR bright colour
  • High bit-depth (16-bit / float)

This format carries no Content Credential

Everything happens on your device, so it works with the Wi-Fi off.