Security & Authentication Tools
Free online security tools for developers. Generate secure keys, secrets, and identifiers for your applications. All tools run locally in your browser - no data sent to servers.
Our Security Principles
We take security seriously. Here's why you can trust our tools:
Client-Side Generation
All generation happens in your browser - no data transmitted to servers
Cryptographically Secure
Uses Web Crypto API for true random number generation
No Data Storage
We never store or log any generated keys or secrets
Open Source Algorithms
Uses well-established, audited cryptographic algorithms
Best Practices
Follows security guidelines from OWASP and NIST
Regular Updates
Tools updated with latest security standards
Authentication Tools
Tools for generating secrets and keys for authentication systems
JWT Secret Generator
Generate secure random strings for JWT (JSON Web Token) secrets. Perfect for authentication tokens in web applications and APIs.
Key Features:
- Customizable length
- Character set options
- Strength indicator
- Copy with one click
NEXTAUTH_SECRET Generator
Generate secure secrets for NextAuth.js authentication. Create NEXTAUTH_SECRET, JWT secrets, and encryption keys for Next.js applications.
Key Features:
- Multiple secrets
- .env file template
- Environment specific
- Setup instructions
API Key Generator
Generate secure API keys for application authentication. Create alphanumeric, hexadecimal, Base64, and UUID format keys with customizable options.
Key Features:
- Multiple formats
- Prefix/suffix
- Usage simulation
- Export options
Cryptography Tools
Tools for cryptographic operations and key generation
UUID / GUID Generator
Generate Universally Unique Identifiers (UUIDs) also known as GUIDs. Create version 1 (time-based), version 4 (random), and nil UUIDs in various formats.
Key Features:
- Multiple versions
- Various formats
- Batch generation
- Download as file
Bcrypt / Hash Generator
Generate secure hashes for passwords and data. Supports bcrypt, SHA-256, SHA-512, and MD5 algorithms with customizable parameters.
Key Features:
- Multiple algorithms
- Salt generation
- Cost factor adjustment
- Hash verification
RSA / AES Key Generator
Generate cryptographic keys for RSA (asymmetric encryption) and AES (symmetric encryption). Create secure keys for SSL/TLS, data encryption, and digital signatures.
Key Features:
- RSA key pairs
- AES keys
- Multiple formats
- Usage examples
Utility Tools
General security and utility tools for developers
Random String Generator
Generate secure random strings for passwords, API keys, tokens, and verification codes. Customize length, character sets, and security options.
Key Features:
- Multiple presets
- Entropy calculator
- Batch generation
- Copy all at once
Age Calculator
Calculate exact age in years, months, and days. Perfect for verification forms, applications, or personal use with date and time precision.
Key Features:
- Date & time support
- Custom target dates
- Precise calculation
- User-friendly interface
All Security Tools
JWT Secret Generator
Generate secure random strings for JWT (JSON Web Token) secrets. Perfect for authentication tokens i...
NEXTAUTH_SECRET Generator
Generate secure secrets for NextAuth.js authentication. Create NEXTAUTH_SECRET, JWT secrets, and enc...
Random String Generator
Generate secure random strings for passwords, API keys, tokens, and verification codes. Customize le...
UUID / GUID Generator
Generate Universally Unique Identifiers (UUIDs) also known as GUIDs. Create version 1 (time-based), ...
Bcrypt / Hash Generator
Generate secure hashes for passwords and data. Supports bcrypt, SHA-256, SHA-512, and MD5 algorithms...
RSA / AES Key Generator
Generate cryptographic keys for RSA (asymmetric encryption) and AES (symmetric encryption). Create s...
API Key Generator
Generate secure API keys for application authentication. Create alphanumeric, hexadecimal, Base64, a...
Age Calculator
Calculate exact age in years, months, and days. Perfect for verification forms, applications, or per...
How to Use Our Security Tools
Simple, secure, and efficient - follow these steps
1. Choose Your Tool
Select from our collection of security and authentication tools based on your needs.
2. Customize Settings
Adjust parameters like length, format, and options to match your requirements.
3. Generate & Copy
Generate secure output and copy with one click. All generation happens locally.
Common Use Cases
Application Security
Generate secure authentication tokens, API keys, and encryption keys for your web and mobile applications. Implement industry-standard security practices.
Database Security
Create secure password hashes, encryption keys, and unique identifiers for database records. Protect sensitive data with proper cryptographic techniques.
Server Configuration
Generate SSL/TLS keys, environment variables, and configuration secrets for server setup. Secure your infrastructure with proper key management.
Frequently Asked Questions
Ready to Secure Your Applications?
Start using our free security tools today. No registration required, no limits, and all generation happens securely in your browser.
Trusted by developers worldwide • 100% Free • No data collection
Why Choose Our Security Tools?
For Developers, By Developers
Our tools are built specifically for developers who need reliable, secure, and easy-to-use utilities for their daily work. We understand the challenges of implementing security correctly, and our tools are designed to help you follow best practices without the complexity.
- Clean, intuitive interfaces that save time
- Detailed documentation and examples
- Multiple output formats for different use cases
- Batch generation for efficiency
- Export options for easy integration
Security You Can Trust
In a world where data breaches are common, we've designed our tools with security as the top priority. Unlike many online generators, we never see or store your generated data. Everything happens locally in your browser, ensuring complete privacy and security.
Security Best Practices
| Practice | Description | Our Tools Help With |
|---|---|---|
| Strong Authentication | Use secure tokens and keys for authentication | JWT, API key, and secret generation |
| Proper Encryption | Encrypt sensitive data at rest and in transit | Cryptographic key generation |
| Secure Password Storage | Hash passwords with strong algorithms | Bcrypt and hash generation |
| Unique Identifiers | Use UUIDs for database records and sessions | UUID generation in multiple formats |
| Key Rotation | Regularly change keys and secrets | Easy generation of replacement keys |
