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IMAGE

RB to CAP Converter — Free, Online, No Signup

Convert RB files to CAP online with no signup required.

RB at a glance

RB

Legacy ebook formats like RB reflect a time when hardware vendors and reading platforms were all experimenting with their own content containers.

CAP at a glance

CAP

Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.

Format comparison

Feature
RB
CAP
File type

Ebook

Image

Extensions
  • .rb

  • .cap

MIME type
  • application/octet-stream

  • image/cap

Created year

1998

2005

Inventor

NuvoMedia

Phase One

Status

active

proprietary

Primary use cases
  • ebook publishing

  • reader distribution

  • digital libraries

  • capture ingest

  • editing

  • web or print delivery

When to use each format

When to use RB

  • Your source file is already in RB.
  • Preserve source expectations before exporting to CAP.
  • RB is commonly used in ebook workflows.

When to use CAP

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

FAQs

Why convert RB to CAP?

Convert to CAP when keeping compatibility with a legacy capture workflow or preserving source material from a proprietary imaging system.

It is mainly useful in archive recovery and controlled migration scenarios.

What changes when converting RB to CAP?

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

What should I review after converting RB to CAP?

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

Format resources

RBCAP

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