100% Free No Upload Bulk Conversion

Bulk PSD to HDR Converter — Free, No Upload

Convert multiple PSD files to HDR instantly — all in your browser. No file limits, no watermarks, and completely private.

PSD HDR  ·  ZIP
Bulk PSD → HDR Converter
Select files, convert, download ZIP — all locally

Drop PSD files here or click to browse

Supports batch selection — convert hundreds of files

PSD → HDR ZIP
0 files
Converting 0 / 0
✓ Conversion completed! All files converted successfully. Click Download ZIP to save them.

Why convert PSD to HDR?

Have you ever tried using a PSD image on a platform that doesn't support it? That's frustrating. By converting to HDR, you get a universally compatible lossless file that works everywhere. This conversion processes your files entirely in your browser using WebAssembly – no upload, no server, no privacy concerns. Perfect for sensitive or large batches.

Transparent areas will be filled with white background

Technical comparison: PSD vs HDR

PropertyPSDHDR
Full namePhotoshop DocumentHigh Dynamic Range Image
Compression Lossless Lossless
Color depth32-bit per channel32-bit float
Transparency Yes No
Web support No No
Developed byAdobe (1990)Radiance / Greg Ward (1989)
Best for Photoshop layered design files High dynamic range photography

How to use — 3 simple steps

1
Select your PSD files
Drag & drop or click to choose multiple PSD images. No file size restrictions.
2
Start the conversion
Click "Convert to :to" — your files are processed locally using WebAssembly. No upload, no waiting.
3
Download ZIP archive
All converted HDR files are bundled into a single ZIP. One click, everything saved.

Popular use cases for PSD → HDR

When you need transparency support – convert from PSD to HDR

To reduce image file size by up to 80% without visible quality loss (PSD → HDR)

For archiving old PSD images in a future-proof, well-supported format (HDR)

Bulk processing an entire folder of PSD screenshots to HDR for documentation

💡 Pro tips

  • If your image has transparency, consider converting to PNG instead to preserve it
  • Use the ZIP download to get all converted files in a single click
  • All processing is private — files are never uploaded to any server

Frequently Asked Questions

HDR uses lossless compression. If lossy, at 85-92% quality the loss is imperceptible. If lossless, every pixel is preserved.
No artificial limit. Browser memory is the only constraint. Files up to 500 MB work well.
Yes. The bulk converter processes all selected files sequentially. Hundreds of files possible.
Yes. Everything happens locally in your browser via WebAssembly. Files never uploaded.
Application offline!