Convert HDR to PDF Online: Free
Fast, free HDR to PDF converter.
181,726 files converted
By uploading, you confirm you have the rights to these files and agree to our Terms.
Encrypted in transit
How to Convert
- 1
Upload your .hdr file by dragging it into the upload area or clicking to browse.
- 2
Adjust output settings if needed. Default settings preserve original quality.
- 3
Click Convert and download your .pdf file when ready.
What you get
- Output
- Portable Document Format (.pdf)
- PDF is the universal standard for document sharing. It preserves formatting across all devices and platforms, making it ideal for official documents, forms, and publications.
Limits by plan
- No account
- Files up to 100 MB
- 5 conversions a day
- Free account
- Files up to 500 MB
- 20 processing minutes a day
- Up to 5 minutes per file
- Pro
- Files up to 2 GB
- 1,500 processing minutes a month
- 20 files at once
- Business
- Files up to 10 GB
- 4,000 processing minutes a month
- 50 files at once
Frequently Asked Questions
Yes. You can convert up to 5 files per day without signup, or 20 per day with a free account — no watermark required. Pro users get 100 conversions per day and larger file sizes.
Most files convert in under 30 seconds. Larger files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Our converter uses optimized settings to preserve quality. Default settings prioritize quality over file size. You can adjust settings for more control.
Free users can convert files up to 500MB. Pro users can convert files up to 2GB with priority processing.
Yes. Our converter is browser-based and works on any device — iPhone, Android, tablet, or desktop. No app or software installation needed.
Learn more about HDR to PDF
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
What is PDF?
PDF is the universal standard for document sharing. It preserves formatting across all devices and platforms, making it ideal for official documents, forms, and publications.
Format Details
- Full Name
- Portable Document Format
- Extension
Key Features
- Universal format
- Preserves formatting
- Print ready
- Form support
HDR vs PDF
| Feature | HDR | |
|---|---|---|
| Full Name | Radiance HDR | Portable Document Format |
| Extension | .hdr | |
| Best For | High dynamic range | Universal format |