Remove duplicate lines from text instantly. Toggle case sensitivity and whitespace trimming. Optionally sort output alphabetically. See stats on total, unique, and removed lines.
Convert text to camelCase, snake_case, kebab-case, and 7 more.
Count words, characters, sentences with reading time estimates.
Compare two texts and highlight differences line by line.
Generate Lorem Ipsum placeholder text instantly.
Format, beautify, minify, and validate JSON with syntax highlighting.
When case-insensitive mode is enabled, "Hello" and "hello" are treated as the same line, and only the first occurrence is kept. In case-sensitive mode (the default), they are treated as different lines.
Yes. When "Trim Whitespace" is enabled, leading and trailing spaces are removed from each line before comparing. This means " hello " and "hello" would be considered duplicates.
Yes. Unless you enable "Sort Alphabetically," the tool keeps the first occurrence of each unique line in its original position. Duplicates are simply removed.
Yes. The tool handles thousands of lines efficiently. All processing happens in your browser with no upload or server round-trip required.