Features that support 32-bpc HDR images

Last updated on Oct 6, 2026

Check which Adobe Photoshop on desktop tools, adjustments, and commands work with 32-bit-per-channel HDR images before starting your project.

When working with 32-bit-per-channel (32-bpc) HDR images, verify feature compatibility before beginning your workflow. Not all Photoshop tools and commands support this bit depth.

Adjustments

The following adjustment commands work with 32-bpc HDR images:

  • Levels
  • Exposure (designed specifically for 32-bpc HDR images, though it also works with 8-bpc and 16-bpc images)
  • Hue/Saturation
  • Channel Mixer
  • Photo Filter

Blend modes

32-bpc HDR images support these blend modes:

  • Normal
  • Dissolve
  • Darken
  • Multiply
  • Lighten
  • Darker Color
  • Linear Dodge (Add)
  • Lighter Color
  • Difference
  • Subtract
  • Divide
  • Hue
  • Saturation
  • Color
  • Luminosity

Edit menu commands

All Edit menu commands work with 32-bpc HDR images, including:

  • Fill
  • Stroke
  • Free Transform
  • Transform

File formats

Photoshop supports the following file formats for 32-bpc HDR images:

Format

Extension

Notes

Photoshop

PSD, PSB

Full layer and feature support

Radiance

HDR

Standard HDR format

Portable Bit Map

PBM

Simple format for HDR data

OpenEXR

EXR

Industry-standard for visual effects

TIFF

TIFF

Flexible format with HDR support

Photoshop can open and read LogLuv TIFF files, but cannot save HDR images in this format.

Filters

The following filters are compatible with 32-bpc HDR images:

Blur filters

  • Average
  • Box Blur
  • Gaussian Blur
  • Motion Blur
  • Radial Blur
  • Shape Blur
  • Surface Blur

Noise filters

  • Add Noise

Render filters

  • Clouds
  • Difference Clouds
  • Lens Flare

Sharpen filters

  • Smart Sharpen
  • Unsharp Mask

Stylize filters

  • Emboss

Video filters

  • De-Interlace
  • NTSC Colors

Other filters

  • High Pass
  • Maximum
  • Minimum
  • Offset

Image menu commands

These commands under the Image menu work with 32-bpc HDR images:

  • Image Size
  • Canvas Size
  • Image Rotation
  • Crop
  • Trim
  • Duplicate
  • Apply Image
  • Calculations
  • Variables

View menu commands

All Pixel Aspect Ratio commands are supported:

  • Custom Pixel Aspect Ratio
  • Delete Pixel Aspect Ratio
  • Reset Pixel Aspect Ratio

Layers

32-bpc HDR images support the following layer types.

  • New layers
  • Duplicate layers
  • Adjustment layers (Levels, Vibrance, Hue/Saturation, Channel Mixer, Photo Filter, and Exposure)
  • Fill layers
  • Layer masks
  • Layer styles (with supported blend modes)
  • Smart Objects

Layer operations

All standard layer operations work with 32-bpc images, subject to the constraints of supported blend modes.

Color modes

32-bpc HDR images support:

  • RGB Color (native mode for HDR workflow)
  • Grayscale
  • Conversion to 8 Bits/Channel or 16 Bits/Channel

Pixel aspect ratio

Both square and non-square pixel aspect ratios are supported in 32-bpc HDR documents.

Selections

The following selection commands work with 32-bpc HDR images:

  • Invert
  • Modify Border
  • Transform Selection
  • Save Selection
  • Load Selection

Tools

Most tools in the toolbox work with 32-bpc HDR images, though some only function with supported blend modes. The following are the list of supported and unsupported tools:

Supported Tools

Rectangular Marquee

Elliptical Marquee

Single Row Marquee

Single Column Marquee

Lasso

Polygonal Lasso

Move

Quick Selection

Crop

Eyedropper

Ruler

Note

Brush

Pencil

Color Replacement (with supported blend modes)

Clone Stamp

Pattern Stamp

History Brush

Eraser

Gradient

Blur

Sharpen

Smudge

Pen

Type

Path Selection

Hand

Zoom

Unsupported Tools

Magnetic Lasso

Magic Wand

Spot Healing Brush

Healing Brush

Red Eye

Art History Brush

Magic Eraser

Background Eraser

Paint Bucket

Dodge

Burn

Sponge