CSV .csv
Tabular text with comma-separated fields. Formatting and multiple sheets are not preserved.
CSV file format guideCSV to HDR converter
Convert CSV (.csv) to HDR for free. Choose files, review the available settings and download your results. No account needed.
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Radiance HDR .hdr
An RGBE raster format that represents a wider brightness range than ordinary display images.
Exports contain a flattened raster image. Editing uses 8-bit browser display precision; original layers, metadata, HDR range, and scientific sample values are not retained.
HDR file format guideHow to convert CSV to HDR
- Select CSV files from your device or drag them into the converter.
- Check the HDR output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Fonts and unsupported document features may affect layout. Macros and external-link refresh are disabled.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.