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Free Online Number Base Converter

Convert signed integers between bases 2 through 36.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use Number Base Converter
Convert signed integers between bases 2 through 36. The selected units use explicit SI reference factors. Decimal and binary prefixes are distinct. Results use IEEE 754 floating-point arithmetic; round only at the precision your task requires.
  1. Set Integer.
  2. Set Input base (2–36).
  3. Set Output base (2–36).
  4. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Convert signed integers between bases 2 through 36. The example below demonstrates Integer; Input base (2–36); Output base (2–36).
Example input:
{
  "value": "255",
  "from": 10,
  "to": 16
}
Expected result (relevant fields):
"ff"
Features & result limitations
The selected units use explicit SI reference factors. Decimal and binary prefixes are distinct. Results use IEEE 754 floating-point arithmetic; round only at the precision your task requires.
Frequently asked questions
What inputs does Number Base Converter accept?
Integer; Input base (2–36); Output base (2–36)
How should I interpret the Number Base Converter result?
The selected units use explicit SI reference factors. Decimal and binary prefixes are distinct. Results use IEEE 754 floating-point arithmetic; round only at the precision your task requires.
Where does Number Base Converter process my data?
Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.