Text Deduplicator

Remove duplicate lines from text.

INPUT

OUTPUT

Unique lines will appear here

Local processing / Instant dedupe / No sign-in

Use cases

Remove duplicate emails, IDs, keywords, or names from a pasted spreadsheet column.

Deduplicate domains, IPs, feature flags, or config entries before sending them to another system.

Clean repeated lines from meeting notes, exports, or copied logs.

Is order preserved?+

Yes. The first occurrence stays in its original order.

Are blank lines removed?+

Blank lines are treated like other lines.

Endpoint

POST/api/tools/text-deduper

Request

{
  "input": "hello world",
  "options": {}
}

Response

{
  "result": "processed output",
  "tool": "text_deduper"
}