Number Base Converter

New

Convert numbers between binary, octal, decimal, hexadecimal, base 32, and base 64.

Free Forever
No Signup Required
No Files Stored

Primary Conversion

Binary (grouped)
Octal
Decimal
Hex (Upper)
Hex (Lower)
Base32
Base64 (custom)

Bit Length & Width

Bits required: 8

8-bitOverflow for signed 8-bit

11111111

16-bit

0000000011111111

32-bit

00000000000000000000000011111111

64-bit

0000000000000000000000000000000000000000000000000000000011111111

Arithmetic in Any Base

Decimal: 11

Binary: 1011

Octal: 13

Hex: B

Base32: L

Base64: B

Embed this tool

Add this tool to your website or blog with a single iframe snippet.

<iframe src="https://dukotools.com/tools/number-base-converter?embed=1" width="100%" height="600" frameborder="0" allow="clipboard-write" loading="lazy" title="number-base-converter tool"></iframe>

About Number Base Converter

Number Base Converter is built for fast, reliable, browser-based workflows. It prioritizes clarity, predictable controls, and practical outputs that can be copied directly into real tasks. The interface is optimized for both desktop and mobile users, with responsive layouts and clear labels. Core interactions are designed around immediate feedback so users can iterate quickly without unnecessary steps. Where relevant, validation and guardrails reduce common mistakes before they reach production systems. The tool also integrates shareable URL state for smooth handoffs across teams, and keyboard execution for power users. Overall, the goal is to remove friction from repetitive operations while keeping output easy to verify and reuse.

Key Features

  • Number Base Converter core workflow

    Focused UI designed for practical daily usage with immediate feedback.

  • Live calculations / preview

    Updates output in real time as inputs change.

  • Copy-ready outputs

    Important values are available with one-click copy controls.

  • Shareable params

    Key state is preserved in URL query parameters for collaboration.

  • Keyboard execution

    Primary action can be triggered with Ctrl+Enter / Cmd+Enter.

  • Mobile-first layout

    Tool remains usable at narrow widths and touch interactions.

How to Use

  1. 1

    Enter required input

    Provide the input values needed for Number Base Converter and verify field validation.

  2. 2

    Configure options

    Set mode, filters, or selectors to match your target use case.

  3. 3

    Run / update output

    Trigger the action or use live mode to generate updated results.

  4. 4

    Review details

    Check highlighted insights, warnings, and supporting values.

  5. 5

    Copy and share

    Copy the final output and share a URL preserving current context.

Real-World Use Cases

Daily operations

A team member uses Number Base Converter during routine execution tasks to reduce manual effort.

Quality checks

A reviewer validates edge cases before publishing content or configuration changes.

Collaboration

A colleague shares exact tool state using URL params for faster troubleshooting.

Frequently Asked Questions

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