Convert number

About this tool

Convert numbers between binary, octal, decimal, hexadecimal, and custom bases up to Base 36. A fast conversion tool for programmers, students, engineers, and anyone working with computer science or low-level programming concepts.

• 100% free. No registration required.
• Runs in the browser. No data is sent to the server.

Available via the API.

Limits

Unlimited usage via the browser.When used via the API:
Plan Free - 1 000 requests / month
Plan Plus - 10 000 requests / month
Plan Pro - 100 000 requests / month
Plan Max - 300 000 requests / monthLearn more about plans and pricing.

Tips

• Binary (base 2) is used in computer systems for representing data at the lowest level.
• Octal (base 8) was historically used in computing and Unix file permissions.
• Decimal (base 10) is the standard numbering system used in everyday life and most applications.
• Hexadecimal (base 16) is widely used in programming for memory addresses, color codes (RGB), and compact data representation.

Frequently Asked Questions

• What number bases can I convert between?

  The tool supports converting between binary, octal, decimal, hexadecimal, and custom bases up to Base 36.

• Why would I need to convert a number to hexadecimal?

  Hexadecimal is commonly used in programming for representing memory addresses, color codes, and compact binary data in a readable form.

• Is my data sent to a server?

  No, number conversion is performed directly in your browser. No data is sent to a server for processing.

• Can I convert negative numbers?

  The tool is primarily designed for converting non-negative integer values between bases.

• Is the tool free to use?

  Yes, the tool is completely free to use with no account required and no usage limits when used in your browser.

Something missing?

Feel free to contact us if you have any suggestions or found a bug.

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