Security Tools
Tools for passwords, encryption, and digital security
Our security tools help you protect your digital information with utilities for generating secure passwords, PIN codes, and analyzing password strength. These tools are designed with privacy and security in mind, running entirely in your browser without storing any data, ensuring your sensitive information remains secure.
Featured Security Tools
Common Use Cases
- Creating strong, unique passwords for different accounts
- Generating secure PIN codes for financial and device access
- Analyzing password strength and security vulnerabilities
- Implementing better security practices for online accounts
- Creating secure credentials that resist common attacks
- Testing password policies and security requirements
All Security Tools
Leap Year Checker
Check if any year is a leap year
Emergency Fund Calculator
Calculate how much you need in your emergency fund based on monthly expenses
PIN Generator
Generate secure random PIN codes with customizable options
Random Number
Generate random numbers with custom ranges and distributions
Password Generator
Create secure random passwords with custom rules
Password Strength Checker
Visualize and analyze password security levels with detailed feedback
QR Code Generator
Generate QR codes for URLs, Wi-Fi, or contact info
Plagiarism Checker
Compare two texts to detect plagiarism. Find matched phrases, calculate similarity percentages, and analyze text overlap.
ROT13 Encoder/Decoder
Encode and decode text using ROT13 cipher instantly. Free online tool supporting ROT1 (Caesar), ROT5, ROT13, and ROT47 rotation ciphers.
Caesar Cipher
Encrypt and decrypt text using the classic Caesar cipher. Free online tool with customizable shift values from 1-25 for encoding and decoding messages.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for mockups, designs, and layouts with customizable paragraph, sentence, or word counts.
Random String Generator
Generate random alphanumeric strings with customizable length, character sets, and quantity for testing and development.
UUID Generator
Generate UUIDs (Universally Unique Identifiers) with support for v4 (random), v1 (time-based), and NIL UUIDs with validation.
GUID Generator
Generate GUIDs (Globally Unique Identifiers) for Windows and .NET development with multiple format options including braces.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes from text for checksums and verification.
Slug Generator
Generate SEO-friendly URL slugs from text with multiple styles including kebab-case, snake_case, camelCase, and bulk processing.
Lorem Picsum Generator
Generate random placeholder images for designs and mockups with custom dimensions, grayscale, blur effects, and multiple formats.
Email Address Generator
Generate random fake email addresses for testing and development with customizable formats, domains, and bulk generation.
Username Generator
Generate random unique usernames for gaming, social media, and professional accounts with multiple styles.
Number List Generator
Generate number sequences: sequential, even, odd, Fibonacci, prime, and power series with custom formatting.
Numbered List Generator
Add automatic numbering to lists with various styles: numeric, alphabetic, or Roman numerals.
Barcode Generator
Generate barcodes in CODE128, EAN-13, UPC, CODE39, ITF, and more formats. Free online barcode maker with customizable options.
Fake Data Generator
Generate realistic fake names, emails, phone numbers, and addresses for testing
Simple Data Masker
Hide parts of sensitive data (e.g., credit card, phone number) with asterisks