Perform arithmetic operations on large decimal numbers with up to 66000 digits. Add, subtract, multiply, and divide using a single format. Choose between Swift or Objective-C calculation engines.
Convert text, decimal, hexadecimal, and binary representations of UTF-8. View Unicode characters, including emoji. Input text directly without format selection. Supports VoiceOver and accessibility features.
Add Furigana (Ruby characters) to Japanese text for reading assistance. Choose between Hiragana or Romaji. Apply furigana only to Kanji above a specified grade level. Select text in Safari to trigger processing. All data remains on your device.