Binary, octal, decimal and hex with a bit view and two’s complement.
Runs entirely in your browser. Nothing you type or paste is sent anywhere.
Describe what you want to do and get the right git commands, with warnings.
Unix permissions between symbolic and octal notation.
Any size. Prefixes 0b, 0o and 0x pick the base; underscores, spaces and a minus sign are fine.
Read as hexadecimal, from the 0x prefix.
| Binary | 10_1010 | |
|---|---|---|
| Octal | 52 | |
| Decimal | 42 | |
| Hexadecimal | 2A | |
| 16 |
Click a bit to flip it; the input updates.
| Width | Hex | Signed | Unsigned | Fits? |
|---|---|---|---|---|
| 8-bit | 0x2A | 42 | 42 | Signed and unsigned |
| 16-bit | 0x002A | 42 | 42 | Signed and unsigned |
| 32-bit | 0x0000002A | 42 | 42 | Signed and unsigned |
| 64-bit | 0x000000000000002A | 42 | 42 | Signed and unsigned |
| Code point | U+002A |
|---|---|
| Kind | Printable character |
| UTF-8 | 2A |
| UTF-16 | 002A |
| HTML | * |