Quickly convert text to uppercase, lowercase, title, sentence or tOGGLE case.
Convert between fullwidth and halfwidth letters and digits.
Turn Chinese text into stylized variant characters and back.
Reverse characters, words or lines in a single click.
Remove duplicate lines, sort, trim spaces and clean blank lines.
Convert text to \uXXXX escapes and back.
Convert simplified Chinese to traditional and back.
Convert Chinese characters to pinyin with or without tones.
Convert numeric amounts into Chinese uppercase currency words.
Convert Arabic numerals to spoken Chinese numbers.
Encode and decode text as Base64 with full UTF-8 support.
Percent-encode and decode URLs or text.
Escape or unescape HTML special characters for embedding.
Convert numbers between bases 2-36 including binary and hex.
Convert between Unix timestamps (seconds/ms) and date strings.
Format, minify and validate JSON with clear error messages.