Remove duplicate lines
Keep the first occurrence of every unique line.
More Text tools
Count words, clean up text, sort lists, and change case.
- Text counterCount characters, words, lines, and UTF-8 bytes.
- Case converterSwitch text between upper, lower, title, and sentence case.
- Sort a listSort one item per line with natural, locale-aware ordering.
- Reverse a listFlip the order of line-separated items.
- Shuffle a listRandomize lines with cryptographically secure randomness.
- Repeat textRepeat a passage with a safe, configurable separator.
- Text & binaryEncode Unicode text as UTF-8 binary or decode it back.
- Unicode & ASCII codesConvert text to code points or code points back to text.