Tools / File Converter / QOI to HDR Converter

QOI to HDR Converter

Convert QOI files to HDR. Batch, free and without uploading.

This tool converts QOI files to HDR. Fast lossless format.

Radiance HDR image. HDR is lossless, so nothing is lost from the image during conversion.

Conversion happens inside your browser; your files are never sent to a server.

How to use

1. Drag and drop your QOI files, paste them from the clipboard, fetch one from a link, or use "Choose files".
2. Optionally set a maximum width and height.
3. Press "Convert" and download the HDR files one by one or as a ZIP.

Frequently asked questions

Will converting to HDR reduce quality?

No. HDR is lossless; the image in your QOI is carried over as it is.

How many files can I convert at once?

There is no limit. Select hundreds of files together and download the results as one ZIP.

Are my files uploaded anywhere?

No. Your QOI files are converted to HDR inside your browser and never sent to a server.