Free Online Password & String Generators
Create strong, unique passwords and random strings with cryptographic security. Fully customizable, works entirely in your browser, and never stores a single byte of your data.
Crypto-Secure
Uses Web Crypto API for true randomness
Fully Customizable
Control length, characters, encoding & more
Batch Mode
Generate up to 100 strings at once
Strength Meter
Real-time password strength assessment
Available Generators
Password Generator
Generate strong, secure passwords with customizable options.
Random String Generator
Generate random strings with custom length, charset, and encoding.
QR Code Generator
Create custom QR codes for URLs, text, email, phone, SMS, and Wi-Fi. Download as PNG or SVG.
Why Online Generators Matter for Security
Weak passwords remain the number one cause of data breaches. Over 80% of hacking-related breaches involve stolen or weak credentials. Using a dedicated password generator eliminates human bias — people tend to create predictable patterns, reuse passwords, and avoid special characters, all of which make accounts vulnerable.
Our password generator uses your browser's cryptographically secure random number generator to produce passwords that are truly random. You control the length (4–128 characters) and can toggle uppercase, lowercase, numbers, and symbols. A real-time strength meter shows you exactly how strong your password is before you use it.
The random string generator is built for developers and engineers who need tokens, API keys, session identifiers, and test data. It supports custom character sets, HEX and Base64 encoding modes, prefix/suffix formatting, and batch generation of up to 100 strings at once — all generated client-side with zero server involvement.
QR code generation is essential for bridging physical and digital experiences. Our QR Code Generator creates scannable codes for URLs, email, phone, SMS, Wi-Fi credentials, and plain text — with custom colors, adjustable size, four error correction levels, and PNG or SVG export. No watermarks, no limits, no sign-up.
128
Max Password Length
Characters for maximum strength
3 Modes
String Encoding
Custom, HEX, and Base64
100
Batch Generation
Generate up to 100 strings at once
Common Use Cases
Account Security
Generate unique, strong passwords for every online account. Combined with a password manager, this eliminates password reuse — the most common security vulnerability for individuals.
API Keys & Tokens
Create random tokens for API authentication, webhook secrets, JWT signing keys, and session identifiers. Use HEX or Base64 modes for format-specific requirements.
Testing & Development
Generate bulk test credentials, mock data identifiers, and randomized input strings for automated testing suites. Batch generation with prefix/suffix formatting speeds up test setup.
Wi-Fi & Device Setup
Create strong Wi-Fi passwords, IoT device credentials, and network encryption keys. Long, random passwords with mixed character types provide the best protection for your network.
In-Depth Generator Guides
QR Codes: How They Work & Best Practices
Learn how QR codes encode data, customize them for branding, and apply best practices for print, digital, marketing, and Wi-Fi sharing.
Frequently Asked Questions
Quick answers to common questions