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Convert WBMP to HDR - Legacy Images to High Dynamic Range

Transform wireless bitmap images into HDR format for expanded tonal range.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

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Why Convert WBMP to HDR?

WBMP (Wireless Bitmap) files are monochrome images from the early mobile era, originally designed for WAP phones and PDAs. While these 1-bit black-and-white images are extremely limited, converting them to HDR (High Dynamic Range) format opens up possibilities for creative workflows, archival purposes, and integration with modern imaging pipelines.

HDR format, specifically the Radiance RGBE format, can store pixel values with far greater precision than standard image formats. In our testing, converting WBMP to HDR preserved the original bitmap data while enabling further manipulation in HDR-compatible software like Photoshop, Blender, or specialized compositing tools.

How to Convert WBMP to HDR

  1. Upload your WBMP file - Drag and drop or click to select your wireless bitmap image
  2. Confirm HDR output - HDR is selected as your target format
  3. Download your HDR file - Your converted high dynamic range image is ready

The entire process happens in your browser. No software installation, no account required.

Understanding the Formats

WBMP: The Legacy Mobile Format

Wireless Application Protocol Bitmap (WBMP) was designed for early mobile devices when bandwidth and processing power were severely limited. Key characteristics:

  • Monochrome only - 1-bit color depth (black and white)
  • Minimal file size - Optimized for slow wireless networks
  • Simple structure - Uncompressed bi-level raster data
  • Limited support - Few modern applications recognize this format

HDR: High Dynamic Range Imaging

The Radiance HDR format (RGBE) was created by Gregory Ward Larson in the 1980s for advanced lighting simulation. It uses 32 bits per pixel with a shared exponent to achieve:

  • Extended dynamic range - Captures lighting from darkest shadows to brightest highlights
  • Floating-point precision - More accurate color and luminance data
  • Professional workflow support - Standard in 3D rendering and compositing

Use Cases for This Conversion

Digital Archival

If you have legacy WBMP files from old mobile devices or archived projects, converting to HDR provides a more versatile format for long-term storage and future manipulation.

Creative Projects

Artists working with retro aesthetics may want to incorporate vintage mobile graphics into modern HDR workflows for film, games, or digital art where tone mapping and advanced lighting are needed.

Format Standardization

When consolidating image assets into a single HDR pipeline, even simple monochrome sources need conversion to maintain workflow consistency.

What to Expect

Converting a 1-bit monochrome WBMP to HDR does not magically add color or tonal information that was not in the original. The converted HDR file will contain the same black-and-white pixel data, but stored in HDR's 32-bit RGBE format. This allows:

  • Integration with HDR editing software
  • Consistent format across mixed-source projects
  • Future flexibility for color grading or compositing

If you need a more common format instead, consider WBMP to PNG for lossless conversion with transparency support, or WBMP to JPG for smaller file sizes.

Browser-Based Conversion

Our converter works directly in your web browser:

  • Windows, Mac, Linux, Chromebook
  • Chrome, Firefox, Safari, Edge
  • iPhone, iPad, Android devices

No downloads or plugins required. Your files are processed locally for privacy.

Pro Tip

After converting WBMP to HDR, you can apply false color gradients or tone mapping in software like Photoshop or Blender to transform the monochrome data into visually interesting HDR imagery.

Common Mistake

Expecting the conversion to add color or detail to a 1-bit monochrome image. HDR stores what was there originally - it does not enhance or upscale the source data.

Best For

Integrating legacy mobile graphics into modern HDR production pipelines for 3D rendering, compositing, or archival purposes.

Not Recommended

If you just need to view or share the image, convert to PNG or JPG instead. HDR is specialized for professional workflows, not casual use.

Frequently Asked Questions

WBMP (Wireless Bitmap) is a monochrome image format from the early 2000s, designed for WAP mobile phones and PDAs. It stores only black and white pixels (1-bit) with minimal file size for slow wireless networks.

HDR (High Dynamic Range) refers to the Radiance RGBE format, which stores images with extended luminance range using 32 bits per pixel. It is commonly used in 3D rendering, photography, and professional compositing.

No. The original WBMP contains only black and white data. Converting to HDR preserves this data in a different format but cannot create color information that did not exist in the source file.

Common reasons include integrating legacy graphics into HDR production pipelines, archival in a more versatile format, or preparing assets for compositing workflows where HDR is the standard.

Most modern image editors do not natively support WBMP. Converting to HDR, PNG, or JPG makes the image accessible in virtually any application.

Only if you need HDR for a specific workflow. For general use, PNG or JPG are more practical. HDR is best when integrating with 3D rendering, compositing software, or tone mapping pipelines.

HDR files open in Photoshop, GIMP, Blender, Nuke, After Effects, and most professional image editing and 3D applications. Many photography apps also support HDR for tone mapping.

Yes, completely free. No registration, no watermarks, no limits on file conversions.

No. The conversion happens directly in your browser using local processing. Your files never leave your device.

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