List Deduplication
Remove duplicates from your list and identify repeated items with their counts.
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Options
How It Works
Using our deduplication tool is straightforward. Simply paste your text into the input field, select the options that best suit your needs, and press the Check button. Within seconds, you'll have a clean, deduplicated list ready to use.
Ignore Capitals: Choose this option to treat lines with different capitalization as duplicates. For example, "Apple" and "apple" will be considered the same.
Keep Blanks at Line Starts: Enable this setting to retain leading spaces in your lines, ensuring that formatting remains consistent where required.
Reduce Output for Large Lists: For extensive lists, this option limits output to the first 100 items per group, with complete results available via download.
Why Use List Deduplication Tool?
Managing large amounts of data can be challenging, especially when duplicate entries clutter your work. Our tool offers a user-friendly way to clean your lists without needing advanced technical skills or specialized software.
Data Cleanup: Prepare CSV files, text lists, or datasets for analysis or import.
Content Management: Organize lists of email addresses, keywords, or to-do items efficiently.
Error Reduction: Eliminate redundant lines to improve accuracy and professionalism in your projects.
Tips for Optimal Use
For extensive lists, consider breaking them into smaller sections to optimize performance and reduce processing time.
Always double-check your results to ensure all relevant entries remain intact.
Save your deduplicated list to a secure location to avoid losing your work.
Privacy and Security
Your privacy is important to us. The data you paste into our tool is processed locally in your browser and is not sent to any server. This ensures complete confidentiality. All functions are processed client-side by JavaScript on your device.
Users use our service entirely at their own risk. Always verify the results before relying on them for critical tasks.