HDR Won't Open? Convert to WBMP Instantly
Fast, instant HDR to WBMP conversion. No signup required. Just drop your .hdr file and get .wbmp in seconds.
Batch Settings
About HDR to WBMP Conversion
Dealing with a HDR file that won't open on your device? You're not alone — HDR compatibility issues are one of the most common reasons people search for a file converter. HDR (Radiance) is a high-dynamic-range image format used in lighting and rendering.
The fix is simple: convert your HDR to WBMP. WBMP is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting HDR to WBMP maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your HDR file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a WBMP file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert HDR to WBMP
- 1
Add your HDR file
Drag and drop your .hdr file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick WBMP output
Select .wbmp as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The image engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .wbmp file. For batch jobs, download all at once as a zip.
What Happens When You Convert HDR to WBMP
Your HDR file is decoded and re-encoded as WBMP.
Your HDR file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in WBMP format
The converted file is ready for download
Format Comparison
HDR
.hdr file
| Extension | .hdr |
| MIME Type | image/vnd.radiance |
| Category | Image |
WBMP
.wbmp file
| Extension | .wbmp |
| MIME Type | image/vnd.wap.wbmp |
| Category | Image |
Should You Convert HDR to WBMP?
When to Convert
- ✓When you need a WBMP file
Frequently Asked Questions
Why won't my HDR file open?
HDR files may not open if your device lacks the right codec or application. Converting to WBMP — a more widely supported format — usually resolves this. WBMP is a widely used file format.
Is it safe to convert HDR to WBMP online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting HDR to WBMP?
Converting HDR to WBMP maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my HDR file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert HDR to WBMP on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.