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IMAGE

NRW to ICB Converter — Free, Online, No Signup

Convert NRW files to ICB online with no signup required.

Reverse conversion

NRW at a glance

NRW

NRW reflects the period when some advanced compact cameras offered raw capture and needed to participate in the same post-processing expectations as larger interchangeable-lens systems.

ICB at a glance

ICB

The Truevision line grew out of EPICenter-era PC graphics boards, and several board names ended up surviving as filename extensions even when the underlying raster structure stayed close to the wider TGA family.

Format comparison

Feature
NRW
ICB
File type

Image

Image

Extensions
  • .nrw

  • .icb

MIME type
  • image/nrw

  • image/x-icb

Created year

2008

1991

Inventor

Nikon

Truevision

Status

proprietary

active

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

Not supported

HDR support

Not supported

Not supported

Streaming ready

Not supported

Not supported

When to use each format

When to use NRW

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

When to use ICB

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

FAQs

Why convert NRW to ICB?

Convert to ICB when recovering historical raster assets from Truevision-era systems or normalizing old image archives before moving them into PNG, TIFF, or another contemporary format.

It is mainly a compatibility target for legacy graphics collections.

What changes when converting NRW to ICB?

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

Moving to ICB removes camera raw data.

What should I review after converting NRW to ICB?

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

Format resources

NRWICB

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