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Image Conversion

Convert PNG to HDR Online — Free

Fast, free PNG to HDR converter. No registration required.

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Secure Transfer

HTTPS encrypted uploads

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Files auto-deleted after processing

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Works Everywhere

Any browser, any device

How to Convert

1

Upload your .png file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .hdr file when it's ready.

What is PNG?

PNG is a lossless image format that supports transparency. It's ideal for graphics, logos, and images requiring sharp edges or transparent backgrounds.

Format Details

Full Name
Portable Network Graphics
Extension
.png

Key Features

  • Lossless quality
  • Transparency support
  • Sharp edges
  • Web optimized

What is HDR?

HDR (Radiance) is a high dynamic range image format used in 3D rendering, lighting design, and photography. It stores full floating-point color data for realistic lighting effects.

Format Details

Full Name
Radiance HDR
Extension
.hdr

Key Features

  • High dynamic range
  • 3D rendering
  • Lighting design
  • Float precision

PNG vs HDR

FeaturePNGHDR
Full NamePortable Network GraphicsRadiance HDR
Extension.png.hdr
Best ForLossless qualityHigh dynamic range

Frequently Asked Questions

Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.

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