Count characters, words, lines, paragraphs and bytes for mixed CN/EN text.
Quickly convert text to uppercase, lowercase, title, sentence or tOGGLE case.
Reverse characters, words or lines in a single click.
Remove duplicate lines, sort, trim spaces and clean blank lines.
Convert simplified Chinese to traditional and back.
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.
Compute the MD5 hash (hex) of text with UTF-8 support.
Format, minify and validate JSON with clear error messages.
Test regular expressions with match, replace and count, plus match positions.
Convert between Unix timestamps (seconds/ms) and date strings.
Convert numbers between bases 2-36 including binary and hex.
Generate random v4 UUIDs in bulk for ids and keys.
Generate strong random passwords with custom length and character sets.