Text Tools

Browser-based text utilities for counting, cleaning, splitting, deduplication, and character conversion.

• Data Match Checker Compare two text lists and find matches or differences.
• Remove Duplicate Lines Remove duplicate lines while preserving useful text.
• Line Splitter Split long text by lines or character count.
• Whitespace Cleaner Normalize spaces, tabs, and line breaks.
• Full-width / Half-width Converter Convert Japanese full-width and half-width characters.
• Line Numbering Add line numbers to text.
• Character Counter Count characters, lines, words, paragraphs, and UTF-8 bytes.