Remove duplicate lines
Free · No sign-up
Keep the first occurrence of each line.
Example
apple banana apple Banana pear
apple banana Banana pear
Keeps the first occurrence. “banana” and “Banana” stay distinct by default.
- 1 Input text
- 2 Show result
- 3 Save file
Text stays in this browser. Nothing is uploaded.
Result
Supported input
Up to 200,000 UTF-16 units per input; 2 MB of output text.