Convert 3FR images to HDR online with ImageHQ.
or drag and drop images here
Fast async jobs
No install required
Temporary files
Batch uploads
Sibling conversion platform
ImageHQ is built for fast image tools. For broader file conversion — including documents, videos, audio, archives, and hundreds of file formats — use ConverterHQ.
.3fr
hdr
/v1/convert
Submit files to /v1/convert, poll the job endpoint, then download outputs programmatically.
Camera raw conversion requires decoding, demosaicing, white balance, tone mapping, and encoder choices.
Converting 3FR to HDR decodes the source image and writes a HDR output. Use this route when HDR is a better fit for compatibility, file size, editing, or delivery.
Quality behavior depends on HDR compression: rle_depends.
Choose conversion targets based on HDR compression, transparency, animation, metadata, and compatibility requirements.
3D lighting, rendering, and HDR environment workflows.
ImageMagick - library_documentation