Text Tools
Encode, decode, transform and count text — Base64, URL encoding, case conversion, regex testing and more.
Base64 Encoder & Decoder
Free online Base64 encoder and decoder with full UTF-8 support. Convert text to Base64 or decode Base64 back to plain text instantly.
URL Encoder & Decoder
Free online URL encoder and decoder. Percent-encode query parameters or encode complete URLs while preserving their structure.
Word Counter
Count words, characters, sentences and paragraphs in real time as you type. CJK-aware word counting and a reading-time estimate included.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case and kebab-case in one click.
Regex Tester
Test JavaScript regular expressions live. See every match highlighted with capture groups, match indexes and instant syntax errors.
Markdown Editor
Write Markdown with a live sandboxed preview, then export clean HTML or the .md source.
Mojibake Fixer
Fix garbled Chinese text caused by wrong encodings. Tries UTF-8, GBK, Big5 and Latin-1 round-trip combinations.
Pinyin & Zhuyin Converter
Convert Chinese text to Pinyin (with or without tones) and Zhuyin/Bopomofo. Polyphonic characters handled by context.
Lorem Ipsum Generator
Generate Lorem Ipsum paragraphs, sentences or words for design mockups — with or without the classic opening. Free and instant.
Markdown to PDF
Convert Markdown to a print-styled document and save it as PDF through the browser print dialog — selectable text, crisp fonts.
Text Diff Checker
Compare two texts line by line and see additions and deletions highlighted, with add/remove counters. Ignore case or edge whitespace when comparing.
Chinese Converter
Convert Chinese text between Simplified and Traditional, including Taiwan and Hong Kong variants with their local vocabulary (软件 → 軟體).
Text Line Tools
Chain operations on a list of lines: dedupe, sort (A–Z, by length, by number), drop blank lines, trim, renumber, reverse, shuffle and more — with live line / unique / word counts and one-step undo.
Chinese Grid Paper & English Lines
Generate printable practice paper: 米字格, 田字格, plain squares, or English four-line and single-line ruled sheets. Set columns, cell size or line spacing and pages, print light-grey model text for tracing in any calligraphy font, then download a vector PDF.