Base-N Converter
Convert any number between any base from 2 to 36.
Most people are familiar with decimal (base-10) and binary (base-2), but number systems can use any base from 2 upward. Base-36 uses all digits 0–9 plus letters A–Z, and is common in URL shorteners and ID generation. This base-N converter lets you convert any number between any two bases from 2 to 36 — useful for computer science students, developers, and cryptography enthusiasts.
How to use this tool
- Enter your number in the input field.
- Set the "From Base" to the base of your input number (e.g. 10 for decimal, 2 for binary).
- Set the "To Base" to the base you want to convert to.
- The converted result appears instantly.
Frequently asked questions
What is base-36?
Base-36 uses 36 symbols: digits 0–9 and letters A–Z. It is often used for generating compact, human-readable unique IDs and short URLs.
What is base-8 (octal)?
Octal is a base-8 number system using digits 0–7. It was widely used in early computing and is still seen in Unix file permissions (e.g. chmod 755).
How do I convert between any two bases?
First convert the number to decimal (base-10) as an intermediate step, then convert from decimal to the target base. Our tool does this automatically.
What bases does this converter support?
This converter supports any base from 2 (binary) to 36 (alphanumeric). Just enter your number and set the from and to bases.