3 Tools AvailableCrypto-Secure

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.

Open tool

Random String Generator

Generate random strings with custom length, charset, and encoding.

Open tool

QR Code Generator

Create branded QR codes with logo, custom dot shapes, frames & 18+ content types. Export as PNG, SVG, JPEG or PDF.

Open tool

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 supports 18+ content types including social media profiles, YouTube, and app store links. Embed your logo, choose custom dot shapes (rounded, circular, diamond), add frames with CTA text like "Scan Me", and export as PNG, SVG, JPEG or PDF — all with real-time auto-apply preview. No watermarks, no limits, no sign-up.

128

Max Password Length

Characters for maximum strength

3 Modes

String Encoding

Custom, HEX, and Base64

18+

QR Content Types

URL, social, Wi-Fi, vCard & more

Export Formats

PNG, SVG, JPEG, and PDF

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 Code Guide: Logo, Custom Styles, Frames & 18+ Content Types

Complete guide to creating branded QR codes with logo overlay, custom dot shapes, frames with CTA text, social media profiles, app store links, and exporting as PNG, SVG, JPEG or PDF.

Frequently Asked Questions

Quick answers to common questions

1How secure are the generated passwords?

Extremely secure. Passwords are generated using your browser's built-in cryptographic random number generator (crypto.getRandomValues), which is the same API used by security-critical applications. No passwords are sent to or stored on our servers.

2What makes a strong password?

A strong password is at least 12 characters long and includes a mix of uppercase letters, lowercase letters, numbers, and special symbols. Our strength meter evaluates these factors in real time and rates your password as Weak, Medium, or Strong.

3What is the difference between HEX, Base64, and custom random strings?

HEX strings use characters 0-9 and a-f, commonly used for color codes, tokens, and cryptographic values. Base64 uses A-Z, a-z, 0-9, +, and /, often used for encoding binary data. Custom mode lets you define your own character set for specialized use cases.

4Can I generate multiple passwords or strings at once?

Yes. The random string generator supports batch generation of up to 100 strings at once. You can copy individual strings or all of them together, making it easy to create bulk test data or credential sets.

5Are generated passwords stored anywhere?

No. All password and string generation happens entirely in your browser using client-side JavaScript. Nothing is transmitted to our servers, logged, or stored. Once you close or refresh the page, the generated values exist only where you copied or saved them.

6Can I add a prefix or suffix to generated strings?

Yes. The random string generator supports custom prefixes and suffixes, which is useful for generating tokens with specific formats like 'tok_abc123' or 'usr-xyz789'. These are appended to each generated string automatically.

7What can I create with the QR Code Generator?

You can create QR codes for 18+ content types — URLs, text, email, phone, SMS, Wi-Fi, vCard, WhatsApp, geo, YouTube, PDF, Instagram, Twitter/X, Facebook, LinkedIn, TikTok, App Store, and Play Store. Add your logo, choose from 4 dot shapes (square, rounded, dots, diamond), add frames with CTA text, customize colors, and export as PNG, SVG, JPEG or PDF — all free with no watermarks.