Free Bulk HDR Image Converter Online — 25+ Formats
Drag and drop your files into this 100% free online HDR converter (image/vnd.radiance, .hdr, Lossless), pick a target format from 25+ options and click the Convert button to change formats in HD quality. Use the quality slider to control file size and detail, then download each result separately or grab the whole batch as a single ZIP — no signup, no downloads, and no watermark needed; your HDR files are deleted from our servers right after. Also see:Bulk PICT conversion tool.
Drop your HDR files here or click to browse
Convert HDR to WEBP, PNG, JPG, GIF, AVIF, JXL and 19+ more formats in HD quality
Choose FilesThis HDR converter supports 25+ output formats with bulk and batch processing — pick your target format directly from the dropdown above. Related:TGA file converter.
What Is HDR Format and Why Convert It Online?
Radiance HDR format for high dynamic range images. See also:Mass CUR conversion.
| Property | HDR Details |
|---|---|
| File Extension | .hdr |
| MIME Type | image/vnd.radiance |
| Compression Type | Lossless |
| Transparency Support | No |
| Animation Support | No |
| Metadata Support | Yes |
| Available Output Formats | 25+ formats |
- Bulk and batch conversion that lets you upload and convert multiple HDR files at once to any of 25+ supported formats
- 100% free with no signup so you can start converting HDR files instantly without creating an account
- Private and secure because all uploaded files are auto-deleted from our servers immediately after conversion