Find Repeating List Items

Identify all repeating duplicate items in a list along with their exact repetition counts. Filter by minimum occurrence threshold and sort by frequency in real-time.

Private • In-browser processing • Zero server uploads

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How to Use Find Repeating List Items

1
Paste List
Insert your text lines or comma-separated items into the input panel.
2
Set Repeat Threshold
Configure the minimum occurrence count and frequency display format.
3
Copy Repeating Items
The identified duplicates and their counts appear immediately.

Key Features

Frequency Counting
Automatically tally and rank how many times each item repeats.
Minimum Threshold Filter
Restrict results to items appearing 2, 3, or N times or more.
Multiple Delimiters
Works with lines, commas, semicolons, and pipes.
100% In-Browser
Completely private client-side processing with zero uploads.

Common Use Cases

  • Auditing customer orders and invoices for duplicate purchase entries.
  • Detecting repeated IP addresses, user IDs, or error codes in server logs.
  • Analyzing vocabulary frequency in essays and speech transcripts.
  • Locating redundant CSS selectors or duplicate configuration keys.

Frequently Asked Questions

Items are sorted by their frequency of occurrence from highest to lowest, with ties sorted alphabetically.

Yes! Uncheck 'Show frequency counts' and only the clean item names will be output.

Yes, all analysis runs purely inside your browser sandbox.

Find Unique List Items
Remove duplicate lines and keep only the unique items in a list.
Sort a List
Sort a list of items alphabetically, numerically or by length — asc or desc.
Find List Length
Count the number of items in a list (one per line) instantly.
Analyze JSON
Get stats on a JSON document: key count, nesting depth, types and size.
Sort CSV Data
Sort CSV rows by any column, ascending or descending, with header row support.