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Duplicate Remover

Remove duplicate lines, words, characters, and patterns from text

Pentest Tool · v2.7 (Secure)
5
Modes
Lines, Words, Fields
10MB
Max Input
Text input limit
5
Sort Options
ASC, DESC, Length
Stats
Reduction %
Efficiency metric

Duplicate Remover Pro

Clean and deduplicate text for wordlist optimization

Trim Lines
Remove Empty Lines
Skip Empty Items
Show Stats
Actions
Remove duplicate lines from text. Each line is treated as a separate item. Empty lines are automatically removed.
Max size: 10MB (500KB for regex mode)
Perfect for cleaning wordlists, removing duplicate entries, and optimizing data for penetration testing. Empty lines are automatically removed from results.

Examples by Mode

Lines Mode

Input:
admin
user

admin
guest
Output:
admin
user
guest

Words Mode

Input:
apple banana apple cherry banana
Output:
apple banana cherry

Regex Patterns

Input:
Server: 192.168.1.1 and 10.0.0.1 and 192.168.1.1
Output (IPs):
192.168.1.1
10.0.0.1

Why Remove Duplicates?

Duplicate entries in wordlists waste time during penetration testing. Clean wordlists are more efficient for brute-force attacks and password cracking.

Common Use Cases

• Wordlist optimization - Remove duplicate passwords
• Log analysis - Find unique IP addresses
• Data cleaning - Prepare datasets
• CTF challenges - Extract unique flags

Performance Stats

10,000 lines < 1 second
100,000 lines ~ 3 seconds
1,000,000 lines ~ 30 seconds