100% Free
No Upload
Bulk Conversion
Bulk PDF to HDR Converter — Free, No Upload
Convert multiple PDF files to HDR instantly — all in your browser. No file limits, no watermarks, and completely private.
PDF
HDR
·
ZIP
Bulk PDF → HDR Converter
Select files, convert, download ZIP — all locally
Drop PDF files here or click to browse
Supports batch selection — convert hundreds of files
PDF
→ HDR
ZIP
0 files
Converting
0 / 0
✓ Conversion completed!
All files converted successfully. Click Download ZIP to save them.
Why convert PDF to HDR?
Want faster load times and lower bandwidth costs? Switch from PDF to HDR. The difference is dramatic: mixed vs lossless, 32-bit vs 32-bit float. convert.contextual.document_to_raster
Transparent areas will be filled with white background
Technical comparison: PDF vs HDR
How to use — 3 simple steps
1
Select your PDF files
Drag & drop or click to choose multiple PDF 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 PDF → HDR
When you need transparency support – convert from PDF to HDR
To reduce image file size by up to 80% without visible quality loss (PDF → HDR)
For archiving old PDF images in a future‑proof, well‑supported format (HDR)
Bulk processing an entire folder of PDF 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
No watermarks, no ads, no branding. Completely clean output.
Typically 1‑2 seconds per 5 MB image. Total ~2‑3 minutes for 100 files.
Yes. Works on any device with a modern browser (Chrome, Safari, Firefox).
The converter will skip unreadable files and show an error. Only valid PDF images are processed.