Text & Writing
Remove Duplicate Lines
Deduplicates a list of lines while preserving order (or sorts it), with a case-sensitivity toggle for exact control.
FreeNo sign-upRuns in your browser
How it works
- 1Paste your list
- 2Choose case sensitivity and sorting
- 3Copy the deduplicated result
Who this is for
- Cleaning up a merged email or URL list
- De-duplicating a list of tags or keywords
- Tidying a pasted export before import
More tools
More in Text & Writing
Word & Sentence Counter
Counts words, sentences, paragraphs and estimated reading time.
Text & Writing
Case Converter
Converts text between uppercase, lowercase, title case, sentence case and camelCase.
Text & Writing
Find & Replace
Finds and replaces text or regex patterns across a block of text.
Text & Writing
Text Cleaner
Strips extra whitespace, smart quotes and non-printable characters from pasted text.
Text & Writing
Email Signature Generator
Generates a clean plain-text and HTML email signature from your details.
Text & Writing
Ask AI about Internet Compass