Duplicate Word Finder highlights repeated words in text that users paste into its online editor.
Count Duplicates
Count Duplicates aggregates repeated items in a list and reports duplicate counts through an online utility.
About Count Duplicates
Count Duplicates is a free, client-side online text tool that processes pasted lists directly in a web browser to count duplicate entries and list unique values. It reports occurrence counts for each value, total line count, and number of unique values, with no user data transmitted to external servers. The tool supports exporting results in tab-separated or CSV formats compatible with spreadsheet software like Excel and Google Sheets, and includes options to filter results to only show duplicate lines or toggle the visibility of the count column.
Key features
- Counts duplicate occurrences for each value in pasted lists
- Lists all unique values extracted from input text
- Reports total input lines and count of unique values
- Exports tab-separated results for direct spreadsheet paste
- Exports CSV results compatible with spreadsheet software
- Filters results to show only lines with duplicates
Best for: It is most useful for users who need to quickly count duplicate entries in text lists or extract unique values from spreadsheet column data.
Good for
- All processing runs locally in the browser, with no external data transmission
- Exports results in formats natively compatible with common spreadsheet tools
- Free to use with no registration or payment required
Watch out for
- Only accessible via web browsers, with no downloadable desktop or mobile app
- Restored input is only saved temporarily and clears when leaving the page
- Tool content is provided as-is with no guarantee of accuracy
Count Duplicates at a glance
- Website
- somacon.com/p568.php
- Category
- Online Tools › Text Tools
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Count Duplicates alternatives
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Count Duplicates FAQ
Is my input data sent to external servers?
No, all processing is done client-side by Javascript in your browser, and data is never sent or stored externally.
Can I export results to Excel or Google Sheets?
Yes, you can export results in tab-separated or CSV formats that are compatible with spreadsheet software.
Can I filter results to only show duplicate lines?
Yes, you can choose to view only lines that occur two or more times.
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