Duplicate Remover

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

Pentest Tool · v2.6 (Secure)

Modes

Lines, Words, Fields

10MB

Max Input

Text input limit

Sort Options

ASC, DESC, Length

Stats

Reduction %

Efficiency metric

Duplicate Remover Pro

Clean and deduplicate text for wordlist optimization

Mode

Sort Output

Options

Case Sensitive Ignore Whitespace

Trim Lines

Remove leading/trailing spaces

Remove Empty

Skip empty lines

Show Stats

Display statistics

Actions

Remove duplicate lines from text. Each line is treated as a separate item.

Input Text

Max size: 10MB (500KB for regex mode)

Perfect for cleaning wordlists, removing duplicate entries, and optimizing data for penetration testing.

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