Convert hdr to ras

Converted on your device. Files never leave this tab.

Drop hdr files here or click to choose

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Nothing is uploaded

The converter runs inside this page. Cut your network after it loads and it still works.

No account, no daily limit

No sign-up, no daily limit, no watermark, no queue behind other people's files. Batch as many HDR files as you like.

Real RAS output

Encoded by magick, the same library the command-line tools use — not a renamed extension.

Other hdr conversions png jpg webp gif bmp tiff ico avif jxl jp2 psd tga

Convert to ras from png jpg webp gif bmp tiff ico avif jxl jp2 psd tga

About HDR

Radiance HDR

The HDR format from the Radiance renderer, storing each pixel as red, green and blue values with a shared exponent byte, so it holds a far wider brightness range than 8-bit images. Most HDRI environment maps ship in this format. Use it to light 3D scenes, or convert from it to get an ordinary 8-bit preview.

About RAS

Sun Raster

The native raster format of Sun workstations running SunOS, stored uncompressed or with run-length encoding. Convert from RAS to open images saved on old Sun systems.