Photoshop Big (PSB) is Adobe's large document format, extending PSD to support images up to 300,000 pixels and 4 exabytes in size.
Radiance HDR is an image format that stores high dynamic range pixel data, commonly used for HDRI environment maps and lighting.
Reach for PSB when your priority is large-format graphic design, billboard artwork — its uncompromising quality ensures every detail is preserved.
Reach for HDR when your priority is hdri lighting, panoramic photography — its uncompromising quality ensures every detail is preserved.
Learn more about PSB and HDR formats in our detailed guide.
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.psb,.PSB (max 100MB)
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PSB (PSB large docs) - Photoshop Big, large document format for 2GB+ PSD files. Best for large-format graphic design, billboard artwork.
HDR (HDR images) - Radiance HDR, high dynamic range image format. Ideal for hdri lighting, panoramic photography.
Yes, GoConvertFile offers free conversion of PSB to HDR for files up to 100MB. No registration required.
Most PSB to HDR conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
HDR is ideal for hdri lighting, panoramic photography. Radiance HDR, high dynamic range image format
File size after PSB to HDR conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.