PEF to HDR for Image Workflows
Fast, instant PEF (PENTAX) to HDR conversion. No signup required. Just drop your .pef file and get .hdr in seconds.
Batch Settings
Some metadata may not survive
Your PEF file may contain EXIF, MakerNote metadata. HDR has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
About PEF (PENTAX) to HDR Conversion
Whether you're one of the many photographers, designers, and content creators who work with PEF files daily, there comes a time when you need HDR instead. PEF is Pentax's RAW format preserving maximum image data from Pentax SLR sensors.
Here's a typical scenario: you receive a .pef file but your project, platform, or client requires .hdr. HDR (Radiance) is a high-dynamic-range image format used in lighting and rendering. Rather than searching for desktop software or wrestling with command-line tools, you can convert PEF to HDR online in seconds with CocoConvert.
This conversion is ideal when you When you specifically need a HDR file for your workflow. The conversion helps you convert between formats quickly.
Converting PEF to HDR maintains high quality with CocoConvert's optimised encoder settings.
Behind the scenes, CocoConvert uses industry-standard tools — FFmpeg for audio and video, Sharp for images, qpdf for documents. Your file is uploaded securely (TLS encryption), processed on isolated servers in Germany, and auto-deleted within 24 hours. No account, no watermark, no hidden fees.
Power users can batch convert up to 100 files simultaneously with a Pro subscription, making it practical for production workflows.
How to Convert PEF (PENTAX) to HDR
- 1
Drop your file
Drag your .pef file onto the converter. Need to process many files? Add up to 5 at once (100 for Pro).
- 2
Set output to HDR
Pick HDR from the format list. The converter automatically tunes settings for the PEF→HDR pair.
- 3
Hit Convert
Processing happens server-side — your browser stays responsive. Most image files convert in under 10 seconds.
- 4
Download and use
Your .hdr file is ready to plug into your workflow. Download it or share the link (expires in 24 hours).
What Happens When You Convert PEF (PENTAX) to HDR
Your PEF image is decoded into raw pixel data, then re-encoded as HDR. No quality loss — pixel data is preserved exactly.
Your PEF file is decoded — the compressed/stored pixel data is expanded into raw RGB pixels
Pixels are re-encoded using Radiance HDR Image's lossless compression
Metadata (EXIF, ICC profiles) is transferred where HDR supports it
The HDR file is saved and ready for download
PEF (PENTAX) vs HDR — Detailed Comparison
| Feature | .PEF | .HDR |
|---|---|---|
| Full Name | Pentax Electronic Format | Radiance HDR Image |
| Compression | Lossless | Lossless |
| Transparency | No | No |
| Animation | No | No |
| Color Depth | 12–14 bits/channel | 32-bit float (RGBE encoding) |
| HDR Support | Yes | Yes |
| Typical File Size | 15–30 MB per photo | 5–50 MB |
| Platform Support | Very Limited | Very Limited |
| Browser Support | none | none |
| Year Created | 2003 | 1985 |
| Open Standard | No | Yes |
Should You Convert PEF (PENTAX) to HDR?
When to Convert
- ✓When you specifically need a HDR file for your workflow
Frequently Asked Questions
Who needs to convert PEF to HDR?
This conversion is commonly used by photographers, designers, and content creators. Typical reasons include convert between formats quickly and ensuring compatibility with downstream tools or platforms.
Can I convert PEF to HDR without losing quality?
Converting PEF to HDR maintains high quality with CocoConvert's optimised encoder settings.
Do I need to install software to convert PEF to HDR?
No. CocoConvert runs entirely in your browser — no downloads, no plugins. It works on macOS, Windows, Linux, iOS, and Android.
How many PEF files can I convert at once?
Free users can convert up to 5 files per hour. Pro subscribers get 100 files per hour with larger size limits (5 GB per file). Business API users can integrate batch conversion directly into their tools.
Is there an API for PEF to HDR conversion?
Yes. CocoConvert offers a Business API for automated conversions. It supports all the same format pairs available in the web interface, including PEF to HDR.
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