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.