Help
Back to home1
Pick a tool
Choose a converter from the homepage or toolkit, e.g. “Decimal to Hex”.
2
Enter a value
Type a number in the input; it converts live as you type (supports negatives and big numbers).
3
General base
Use “General Base Converter” to pick any base from 2–36, with a swap button; hex accepts a 0x prefix.
4
Copy the result
Click “Copy result” to copy the converted value.
FAQ
Currently focused on integers; a decimal input is truncated to its integer part.
Uses JavaScript BigInt, so very large integers are supported, limited only by browser performance.
No. All conversion runs locally in your browser; nothing is uploaded.