Bulk HDR to PBM Converter Online — Free HD Quality
Drag and drop your multiple HDR files into this free online HDR to PBM converter (.hdr to .pbm), and click the Convert button to bulk convert them to PBM format in HD quality. Use the quality slider to fine-tune your PBM output, then download your converted files one by one or as a single ZIP — your original HDR files are removed from our servers right after.
To:
85%
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
HDR vs PBM — File Format Comparison
| Feature | HDR | PBM |
|---|---|---|
| File Extension | .hdr | .pbm |
| MIME Type | image/vnd.radiance | image/x-portable-bitmap |
| Compression Type | Lossless | Lossless |
| Transparency Support | No | No |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is HDR Format?
Radiance HDR format for high dynamic range images.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is PBM Format?
Portable Bitmap format for monochrome images.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
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