Find Duplicates

See which lines are repeated in your list, and how often.

  • Free, no sign-up
  • Runs in your browser

Drop your file here, or

TXT, CSV, JSON, Markdown, HTML, XML, DOCX, PDF, RTF and more

Type, paste with Ctrl V, or drop a file

Options

or press Ctrl EnterRuns in your browser

Result

The result will appear here.

Add your text, then press Find duplicates.

How to use Find Duplicates

  1. Paste your text into the input box, or drop a file onto it.
  2. Choose your options.
  3. Press Find duplicates.
  4. Copy the result or download it in the format you need.

Example

Before
apple
banana
apple
cherry
apple
banana
After
3×  apple
2×  banana

Each repeated line is listed once, with its count.

Good for

  • Checking a list for repeated entries before importing it
  • Finding the most repeated log lines
  • Auditing duplicate orders or IDs

What happens to your text

Your text is processed in your browser and kept only in this tab’s memory. It is not uploaded, saved or used for analytics.

Related guides

  • How-to

    How to Remove Duplicate Lines

    Remove duplicate lines from a list or text file in seconds — online with TextVix, in Excel, in Google Sheets, or on the command line.

Questions about Find Duplicates

More answers in the TextVix FAQ.

Can I export the counts?

Yes. Download as CSV or JSON to get separate “line” and “count” columns.

Is my text uploaded anywhere?

No. This tool runs entirely in your browser. Your text and files are never sent to a server or stored.