Converters Tool
Base Converter (Dec / Bin / Hex / Oct)
Convert numbers between decimal, binary, hexadecimal, and octal — all four at once.
Privacy-first workflows
Fast and simple
100% Free, no signup
Tip: Edit any field — the others update automatically. Negative numbers and decimals aren't supported.
How it works
How to convert number bases
STEP 01
Type a value in any of the four base fields.
STEP 02
The other three update automatically.
STEP 03
Copy any base's value.
You might also need
Related tools
FAQ