Base36 Converter
Convert between decimal (base-10) and base-36 — digits 0–9 plus letters A–Z.
⇅ convert
Decimal
255
Base-36
73
Quick examples
About Base-36 Converter
Base-36 uses digits 0–9 and letters A–Z as its 36 symbols, giving a compact case-insensitive representation of large numbers. It is commonly used in URL shorteners, unique identifier generation, and anywhere a short alphanumeric string is needed. For example, the decimal number 46655 is ZZZ in base-36 — three characters instead of five digits. This converter handles arbitrarily large integers in both directions.
Private & free — this tool runs entirely in your browser.
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