Remove Duplicate Lines
The Remove Duplicate Lines tool helps you clean up messy lists, logs, email addresses, or code lines in seconds. Paste your text, choose your options, and instantly get a clean list with all redundant lines removed. You can toggle case sensitivity, choose to trim line edges, ignore blank lines, or sort the output. The tool displays a clear summary of how many duplicate lines were found and removed.
Features
- Instantly removes duplicate lines from any list
- Case-sensitive and case-insensitive matching options
- Option to trim whitespace from line ends
- Option to ignore empty/blank lines
- Sort output lines alphabetically (A-Z)
- Shows statistics: total lines, unique lines, duplicates removed
How to Use
- 1Paste your text list into the input box
- 2Configure your options (case sensitivity, trim, ignore empty)
- 3Review the deduplicated output in real-time
- 4Copy the cleaned list or download it as a text file
💡 Pro Tips
Use this to clean up email list signups, database keys, or CSS selectors.
Check 'Ignore Empty Lines' if you want to keep blank paragraphs or spaces in your formatting.
Run the list through 'Text Sorter' afterwards if you want advanced sorting options.
Common Use Cases
Tool Info
Related Tools
Tags
Frequently Asked Questions
Everything you need to know about the Remove Duplicate Lines. Fast answers to common questions about functionality, privacy, and pricing.