HDR

HDR — Radiance RGBE High Dynamic Range

image

HDR (Radiance .hdr) is a high dynamic range image format developed for the Radiance rendering system. It stores luminance information far beyond standard 8-bit images using a shared-exponent encoding, making it the standard for HDR environment maps in 3D rendering.

136 conversions available

✓Common use cases

›3D rendering environment maps (IBL)
›HDR panorama photography storage
›VFX and CGI lighting reference images
›Tone mapping source images

★Advantages

›Wide dynamic range for rendering and VFX
›Compact relative to floating-point EXR
›Standard for HDR environment maps
›Supported by all major 3D rendering tools

⚙Technical details

RGBE encoding: 3 bytes mantissa + 1 byte shared exponent per pixel; 32 bits per pixel total; supports values from very dark to very bright; optional RLE compression.

Source format(.hdr)

Target format(.jpg)

Accepted files :.hdr

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Max 25 MB · HDR only

All HDR conversions

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From	To	Action
HDR	AI	Convert
HDR	APNG	Convert
HDR	AVIF	Convert
HDR	BIE	Convert
HDR	BMP	Convert
HDR	CGM	Convert
HDR	CIN	Convert
HDR	CSV	Convert
HDR	CUR	Convert
HDR	DCX	Convert
HDR	DDS	Convert
HDR	DIB	Convert
HDR	DOC	Convert
HDR	DOCX	Convert
HDR	DPX	Convert
HDR	DWG	Convert
HDR	DXF	Convert
HDR	EMF	Convert
HDR	EPS	Convert
HDR	EXR	Convert
HDR	FAX	Convert
HDR	FDX	Convert
HDR	FIT	Convert
HDR	FITS	Convert
HDR	FOUNTAIN	Convert
HDR	FTS	Convert
HDR	G3	Convert
HDR	G4	Convert
HDR	GIF	Convert
HDR	GV	Convert
HDR	HEIC	Convert
HDR	HEIF	Convert
HDR	HIF	Convert
HDR	HRZ	Convert
HDR	HTM	Convert
HDR	HTML	Convert
HDR	ICO	Convert
HDR	IFF	Convert
HDR	IIQ	Convert
HDR	IPL	Convert
HDR	J2C	Convert
HDR	J2K	Convert
HDR	JBG	Convert
HDR	JBIG	Convert
HDR	JFI	Convert
HDR	JFIF	Convert
HDR	JIF	Convert
HDR	JNX	Convert
HDR	JP2	Convert
HDR	JPC	Convert

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