Find Duplicates in List
Find, remove, and analyze duplicate lines in your text data. Supports various processing modes and export formats.
Find Duplicates in List
Find, remove, or analyze duplicate lines in your text data. Supports various processing modes and export formats.
Input Data
Drag and drop a file here, or click to select
Supports .txt, .csv, .json files up to 5MB
Processing Mode
How to Use
- 1.Upload a file or paste your text data
- 2.Choose your processing mode (find, remove, etc.)
- 3.Configure advanced options if needed
- 4.Click "Process Data" to analyze your text
- 5.Export results in your preferred format
Processing Modes
- 🔍Find Duplicates: Show only duplicate lines
- 🗑️Remove Duplicates: Keep only unique lines
- ✨Unique Only: Lines that appear exactly once
- 📋Duplicates Only: All duplicate occurrences
Frequently Asked Questions
What file formats are supported?
We support plain text (.txt), CSV (.csv), and JSON (.json) files up to 5MB in size. You can also paste text directly into the input area.
Is my data safe and private?
Yes! All processing happens locally in your browser. Your data is never sent to our servers or stored anywhere. Once you close the page, your data is completely gone.
What export formats are available?
You can export results as plain text (.txt), CSV (.csv), JSON (.json), or Excel (.xlsx). The Excel format includes multiple sheets with results, statistics, and duplicate details.
Can I process large files?
The tool supports files up to 5MB in size, which can handle hundreds of thousands of lines. For extremely large datasets, consider splitting them into smaller chunks.
What are the advanced options?
Advanced options include case-sensitive matching, whitespace trimming, empty line handling, and result sorting. These help you fine-tune the processing to match your specific needs.