Lumina HDR - HDR Screenshot Preview & Conversion

Source File

Drag and drop files/folder here or click

Supported: JXR, EXR, HDR, AVIF, PNG, JPG, WebP

Example Gallery

Image Metadata

No file loaded. Upload a file or generate a test image.

Presets & Profiles

Profile / Preset

Save Current Settings

HDR Calibration

SDR White Point (Nits)

SDR White Brightness 200 nits

Target Peak HDR (Nits)

Target Brightness 1000 nits

Auto Exposure Correction

Smart SDR-to-HDR Upmix

Display Mode

Preview Mode

Blend Opacity 50%

HDR Monitor Mode (Experimental)

HDR Capabilities Status

Visualizations

False Color Heatmap

Highlight Clipping Zebra

Tone Mapping

Operator

About this Operator

Exposure (Stops) 0.00

Gamma 2.20

Contrast 1.00

SDR-to-HDR Boost 1.00x

Color Grading

Saturation 1.00

Highlights 0.00

Shadows 0.00

Color Temp 0.00

Tint 0.00

Export / Conversion

Output Format

Navigation & Shortcuts

Zoom: Mouse wheel / Touchpad
Pan: Click and drag image
Comparison (Split-Screen): Drag the blue slider dividing left/right on the image

Comparison Slider: Left side is Standard SDR (Clamped), right side is Processed HDR

Luminance Histogram

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Apply Settings

Profile / Preset

Export Configuration

Output Format

JPEG Quality 90%

Filename Suffix

Batch Image Converter

Drag & drop multiple HDR/SDR files or folders here to convert them using your selected preset in one go.