MMegaConvert

Convert PSD to HDR

Free online PSD to HDR converter. No signup required.

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Max file size: 100 MB

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How to Convert PSD to HDR

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .psd file

    Drag and drop your .psd file into the upload area, or click "Browse" to select it from your device. Your file is uploaded securely and processed on our servers.

  2. 2

    Click "Convert to HDR"

    Once your file is uploaded, press the convert button to start the PSD to HDR conversion process.

  3. 3

    Wait for the conversion to complete

    The conversion usually takes just a few seconds. You can see the progress in real time while your file is being processed.

  4. 4

    Download your converted .hdr file

    When the conversion is finished, click the download button to save your new .hdr file. The file is ready to use immediately.

Understanding PSD and HDR Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

Photoshop Document

image/vnd.adobe.photoshop

PSD (Photoshop Document) is the native file format for Adobe Photoshop, capable of storing layered images with full editing capabilities. It preserves layers, masks, adjustment layers, blend modes, text layers, vector paths, and smart objects in a single file. PSD supports color depths up to 32 bits per channel and multiple color spaces including RGB, CMYK, and Lab.

Advantages

  • Preserves all Photoshop layers, masks, effects, and editing history
  • Supports very high bit depths and multiple color spaces for professional work
  • Widely supported for import by other design and image editing applications

Limitations

  • Large file sizes, especially with many layers and high-resolution images
  • Maximum file size of 2 GB (PSB format required for larger files)
  • Full editing capability requires Adobe Photoshop or compatible software

Common Uses

  • Professional photo editing and retouching with layered workflows
  • Graphic design source files for print and digital media
  • Design handoff files between designers and production teams

Target Format

Radiance HDR Image

image/vnd.radiance

HDR (High Dynamic Range) Radiance format, also known as RGBE, stores images with a high dynamic range of luminance values using a run-length encoded format. Developed by Greg Ward for the Radiance lighting simulation system, it encodes each pixel as three 8-bit mantissas and a shared 8-bit exponent. HDR images capture a much wider range of brightness than standard 8-bit formats.

Advantages

  • Captures a wide dynamic range of lighting from very dark to very bright
  • Relatively compact encoding for high dynamic range data
  • Widely supported in 3D rendering, game engines, and compositing software

Limitations

  • Lower precision than 32-bit EXR for demanding visual effects work
  • Not suitable for direct display without tone mapping
  • Limited to RGB data with no alpha channel support

Common Uses

  • Environment maps and image-based lighting in 3D rendering
  • HDR photography merging and tone mapping workflows
  • Lighting simulation and architectural visualization

Frequently Asked Questions

Common questions about converting PSD to HDR.

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