Number base converter
Convert a decimal integer to binary, octal and hexadecimal, including large integers.
Input
Example only; use “Try an example” to fill it in.
Processed on your device
Result —
Processed on your device · Free to use · No sign-up
Example input and output
Input
255
Result
BIN: 11111111 OCT: 377 DEC: 255 HEX: FF
How to use
- Input
- Convert
- Copy result
Input format & limitations
Convert a decimal integer to binary, octal and hexadecimal, including large integers.
Frequently asked questions
Do I need to upload data or sign up?
Local tools do not send input. IP and DNS lookups send the query and connection IP to the listed third parties only after a click.