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Text Processing

Add Text to Lines
Convert Case
List Generator
Remove Duplicate Lines
Remove Line Breaks
Remove Lines Containing
Slug Generator

Generators

API Key Generator
BitTorrent Magnet Link Generator
JWT Secret Generator
Lorem Ipsum Generator
Passphrase Generator
Password Generator
PIN Generator
Random String Generator
Username Generator
UUID / ULID Generator

Extraction

Domain Extractor
Email Extractor

Analysis

Count Duplicates
Text Counter

Security

AES Key Generator
HMAC Key Generator
Password Strength Checker
PEM Certificate Inspector
QR Code Generator/Reader
Rclone Password Revealer
Recovery Code Generator
Salt Generator

Converters

Base64 Encoder/Decoder
Data Size Converter
Emoji Shortcode Converter
HTML Entity Encoder/Decoder
Markdown to HTML
Number Base Converter
URL Encoder/Decoder

Development

Cron Expression Parser
Diff Checker
JSON Formatter/Validator
JWT Decoder
Regex Tester
TOML Formatter
XML Beautifier
YAML Formatter

Utilities

Color Picker/Converter
CSV Viewer
Hash Generator
Reg2GPO
Time Convert
Timestamp Converter

🔢

Count Duplicates

v1.5.1

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⭐ Favorites

Text Processing

Add Text to Lines
Convert Case
List Generator
Remove Duplicate Lines
Remove Line Breaks
Remove Lines Containing
Slug Generator

Generators

API Key Generator
BitTorrent Magnet Link Generator
JWT Secret Generator
Lorem Ipsum Generator
Passphrase Generator
Password Generator
PIN Generator
Random String Generator
Username Generator
UUID / ULID Generator

Extraction

Domain Extractor
Email Extractor

Analysis

Count Duplicates
Text Counter

Security

AES Key Generator
HMAC Key Generator
Password Strength Checker
PEM Certificate Inspector
QR Code Generator/Reader
Rclone Password Revealer
Recovery Code Generator
Salt Generator

Converters

Base64 Encoder/Decoder
Data Size Converter
Emoji Shortcode Converter
HTML Entity Encoder/Decoder
Markdown to HTML
Number Base Converter
URL Encoder/Decoder

Development

Cron Expression Parser
Diff Checker
JSON Formatter/Validator
JWT Decoder
Regex Tester
TOML Formatter
XML Beautifier
YAML Formatter

Utilities

Color Picker/Converter
CSV Viewer
Hash Generator
Reg2GPO
Time Convert
Timestamp Converter

Count duplicates in a list

List (one item per line):

Case sensitive

Sort by number of occurrences

Tools Collection · v1.5.1