Online Text Sort & Dedup
A text line processing tool supporting multi-mode sorting, deduplication, frequency statistics, and batch line operations. All data is processed locally in your browser.
Advanced Features
Input Text
Result
0Total Lines
0Unique Lines
0Duplicates
0Blank Lines
0Characters
0%Compression
📊 Duplicate Line Frequency
▼
Auto-processes on input
About Online Text Sort & Dedup Tool
Online Text Sort & Dedup is a pure front-end text line processing tool that requires no server uploads. It helps developers and content editors quickly sort, deduplicate, analyze, and batch edit text lines.
Core Features
- 5 Sort Modes — Ascending/Descending, Natural Sort (number-aware), By Length, Numeric Sort for flexible sorting needs
- 4 Dedup Modes — Keep First Occurrence, Keep Last Occurrence, Remove All Duplicates, Consecutive Only
- Frequency Statistics — Auto-counts occurrences per line, sorted by frequency with bar chart visualization
- Reverse & Shuffle — One-click line reversal or random shuffling (Fisher-Yates algorithm)
- Case Control — Option to respect or ignore case during sorting/dedup
- Trim Whitespace — Auto-remove leading/trailing spaces from each line
- Merge Lines — Combine all lines into one with a custom delimiter
- Prefix/Suffix — Batch add or remove prefix/suffix text from each line
- Regex Filter — Keep or remove lines matching a regex pattern
- Show Duplicates Only — Inverse filter to extract only lines appearing more than once
- Custom Line Delimiter — Supports newline, comma, semicolon, tab, and more
- Complete Stats Panel — Real-time display of total lines, unique lines, duplicates, blanks, characters, and compression rate
Use Cases
- Data Cleaning — Remove duplicate entries from CSV exports or database dumps
- Code Cleanup — Remove duplicate imports, CSS declarations, config items
- Log Analysis — Find duplicate log entries, sort anomalous events by frequency
- List Processing — Sort and deduplicate keyword lists, TODO lists, mailing lists
- Content Management — Batch edit text lines (add prefix/suffix, merge, etc.)
💡 Privacy Guarantee: All data is processed locally in your browser. Text content is never uploaded to any server. Use with confidence.