Phase One IIQ Raw Image

Readable

image

Phase One is a camera manufacturer and Capture One is the accompanying software. This format contains the raw image data captured by the camera's image sensor. IIQ stands for Intelligent Image Quality, a compressed version of the raw image data captured by Phase One camera equipment. IIQ has a choice of a 'Large' (lossless) or 'Small' (lossy) options. With further research it may be possible to distinguish between these outputs.

Identify it

Extensions	`.iiq.tif`
Signatures	`49492a00` at byte 0 (Phase One IIQ Raw)
PRONOM	`fmt/1061`
Wikidata	`Q50608279`

Not sure your file is this? Identify it from its first bytes, in your browser.

Open it

ImageMagickOpen sourcereads · ImageMagick License
Adobe Camera Rawreads
Adobe Photoshop Elementsreads
Capture Onereads · proprietary license
MediaRich Serverreads
Microsoft Photosreads · Microsoft end-user license agreement

Convert it

To	With	Fidelity	Command and losses
Portable Network Graphics	ImageMagick	Lossless	`convert in.iiq out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
Tagged Image File Format	ImageMagick	Lossless	`convert in.iiq out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
GIF 89a	ImageMagick	Lossy	`convert in.iiq out.gif` Reduced to 256 colours.
JPEG File Interchange Format 1.02	ImageMagick	Lossy	`convert in.iiq out.jpg` Lossy compression.
WebP	ImageMagick	Lossy	`convert in.iiq out.webp` Lossy compression.

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

Improve this record JSON