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Image Conversion

Convert BMP to HDR Online — Free

Fast, free BMP to HDR converter. No registration required.

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How to Convert

1

Upload your .bmp file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .hdr file when it's ready.

What is BMP?

BMP is a simple, uncompressed image format native to Windows. It provides perfect quality but results in very large file sizes.

Format Details

Full Name
Bitmap Image
Extension
.bmp

Key Features

  • Uncompressed
  • Windows native
  • Perfect quality
  • Simple format

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

BMP vs HDR

FeatureBMPHDR
Full NameBitmap ImageRadiance HDR
Extension.bmp.hdr
Best ForUncompressedHigh dynamic range

Frequently Asked Questions

Converting between lossless formats (PNG, BMP, TIFF) preserves perfect quality. For lossy formats like JPG and WebP, you can adjust the quality slider to control compression. Default settings prioritize visual quality.
Transparency is preserved when converting to formats that support it (PNG, WebP, TIFF, GIF). If the target format doesn't support transparency, a white background is applied.
Yes. Upload your HEIC files and convert to JPG, PNG, or WebP instantly. Perfect for making iPhone photos compatible with any device or platform.
No resolution limit. We handle images of any size — from small icons to high-resolution photos and print-ready images.
Pro users can batch convert multiple images at once. Free users can convert one image at a time. All conversions are processed on our servers, so even large files convert quickly.

Related Conversions

BMP to JPGBMP to PNGBMP to WebPBMP to HEICBMP to GIFBMP to TIFFBMP to AVIFBMP to SVG