BaseConverter

BaseConverter is a fast, focused tool for converting positive integers between numeral systems. Convert from base 2 through base 36 with familiar digits and uppercase letters, or enable bijective mode to work with zero-free numeral systems from base 2 through base 35. Highlights: • Instant conversion as you type • Arbitrary-precision calculations for very large integers • Standard and bijective numeral systems • Clear validation for invalid symbols, zero and unsupported values • One-tap result copying • Light, dark and system themes • 15 supported languages, including right-to-left Arabic • Phone, tablet, split-screen and resizable-window support BaseConverter works entirely on your device. It has no ads, analytics, accounts or unnecessary permissions, and it does not collect or share personal data.