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IMAGE

IIQ to CRW Converter — Free, Online, No Signup

Convert IIQ files to CRW online with no signup required.

Reverse conversion

IIQ at a glance

IIQ

Phase One positioned IIQ around its medium-format and digital-back workflows, which is why IIQ appears in a very different professional context from ordinary consumer camera raws.

CRW at a glance

CRW

Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.

Format comparison

Feature
IIQ
CRW
File type

Image

Image

Extensions
  • .iiq

  • .crw

MIME type
  • image/iiq

  • image/crw

Created year

2007

2000

Inventor

Phase One

Canon

Status

proprietary

proprietary

Transparency

Not supported

Not supported

Animation

Not supported

Not supported

Primary use cases
  • capture ingest

  • editing

  • web or print delivery

  • capture ingest

  • editing

  • web or print delivery

Layer support

Not supported

Not supported

Vector scaling

Not supported

Not supported

Camera raw data

Supported

Supported

HDR support

Not supported

Not supported

Streaming ready

Not supported

Not supported

When to use each format

When to use IIQ

  • Your source file is already in IIQ.
  • Preserve source expectations before exporting to CRW.
  • IIQ is commonly used in image workflows.

When to use CRW

  • Your target workflow expects CRW.
  • Improve delivery compatibility with CRW.
  • CRW is commonly used in image workflows.

FAQs

Why convert IIQ to CRW?

Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.

In most current workflows it is a source to preserve or migrate, not a preferred new output format.

What changes when converting IIQ to CRW?

This conversion changes how the format behaves in downstream tools and delivery environments.

What should I review after converting IIQ to CRW?

Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.

Format resources

IIQCRW

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