Hash Calculator
Calculate cryptographic hashes for text and files with support for MD5, SHA-1, SHA-256, and SHA-512. Secure, instant, and completely free hash calculation tool.
Hash Calculator
Calculate cryptographic hashes for text and files. Verify file integrity and generate secure hashes with multiple algorithms.
Input Type
About Hash Functions
MD5
Fast but cryptographically broken. Not recommended for security.
SHA-1
Deprecated due to collision vulnerabilities.
SHA-256
Widely used, secure for most applications.
SHA-512
Most secure, produces longer hashes.
Security Best Practices
How It Works
Calculate cryptographic hashes in just three simple steps
Input Data
Enter text directly or upload a file. Our tool supports any file type and handles large files efficiently.
Choose Algorithm
Select from MD5, SHA-1, SHA-256, or SHA-512 based on your security requirements and use case.
Calculate & Verify
Get your hash instantly with copy-to-clipboard functionality. Perfect for file integrity verification.
Why Choose Our Hash Calculator?
Experience professional-grade hash calculation with advanced security features.
100% Private & Secure
Your data is processed entirely in your browser. No server uploads means your sensitive data stays completely private and secure.
Instant Calculation
Calculate cryptographic hashes in real-time with lightning-fast processing. No waiting, no delays - just instant results.
Multiple Algorithms
Support for MD5, SHA-1, SHA-256, and SHA-512 hash algorithms with automatic detection and validation.
Always Free
No hidden costs, no subscriptions, no limitations. Professional hash calculation features available to everyone, forever.
Perfect for Security Professionals
From verifying file integrity to generating secure password hashes, our hash calculator provides the cryptographic tools you need for modern security practices.
Whether you're a cybersecurity expert, developer, or IT professional, our tool delivers accurate, fast hash calculations with enterprise-grade security.
Security First
Built with security in mind. All calculations happen locally in your browser, ensuring your sensitive data never leaves your device. Trust our tool for critical security operations.
File Integrity Verification
Verify downloaded files haven't been tampered with by comparing hashes against known good values.
- Software downloads
- System backups
- Critical documents
Password Hashing
Generate secure password hashes for authentication systems and user credential storage.
- User authentication
- Password storage
- Security systems
Digital Forensics
Calculate file hashes for digital evidence preservation and chain of custody verification.
- Evidence collection
- Chain of custody
- Data preservation
Why Security Experts Choose Us
Ready to Calculate Hashes?
Join thousands of security professionals who trust our secure, fast, and free hash calculator. No registration required, start calculating immediately.