A programmer's calculator for the Mac menu bar.
Hex, decimal, octal, binary. Instant conversion. Always one click away.
Every programmer needs to convert between hex and decimal. Check a bitmask. Do quick bitwise math. macOS Calculator has a programmer mode buried in a menu, and it's clunky.
Hexa lives in your menu bar. Click it, type a value, see all representations instantly. Type expressions like 0xdead + 0xbeef and watch it evaluate live. Native Swift, native SwiftUI, opens instantly.
Lives in your menu bar. One click to open, one click to dismiss. Always there when you need it.
Type expressions directly: 0xff + 0x10, 255 << 8, 0b1010 | 0b0101. Results update as you type.
See hex, decimal, octal, and binary simultaneously. Use 0x, 0b, 0o prefixes freely in expressions.
Toggle between 8, 16, 32, and 64-bit modes. Signed and unsigned display.
Hover over any conversion to reveal copy button. Values copied clean, without formatting.
Native on Apple Silicon and Intel. Pure Swift and SwiftUI. No Electron, no web views.
Full expression support with chained operations.
macOS 14.0 (Sonoma) or later
Apple Silicon or Intel Mac
Installation: Open DMG → Drag Hexa to Applications → Launch from Applications (first time) or click menu bar icon.