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Developer utility

Number Base Converter

Convert between base-2, base-8, base-10, and base-16 in one place. Processing runs fully in your browser.

How To Use

  1. Paste or type a number in one of the base fields.
  2. Select or confirm the source base if needed.
  3. Read decimal, hex, binary, and octal outputs instantly.
  4. Use Copy to move the output into your code or docs.

Common Use Cases

  • Hexadecimal to decimal conversion for debugging.
  • Binary and octal checks for low-level tasks.
  • Quick base conversion in browser without terminal tools.

FAQ

Does this converter support negative values?

Yes, signed numbers are supported as long as the input format is valid for the selected base.

Is any input sent to a server?

No. Number conversion runs locally in your browser.