What is a hash function?
A hash function takes an input (or 'message') and returns a fixed-size string of bytes. The output is typically a digest that uniquely represents the input data.
Free Online Hash Generator
Generate cryptographic hashes instantly with our free online tool. Choose from various algorithms to secure your data.
How It Works
Input your text, select a hash algorithm, and click "Generate Hash." The tool computes the hash locally in your browser, ensuring privacy and security.
Supported Hash Algorithms
- MD5
- SHA-1
- SHA-256
- SHA-512
Common Use Cases
- Verifying file integrity during downloads
- Storing passwords securely
- Ensuring data consistency across systems
- Digital signatures and certificates
Frequently Asked Questions
Why are MD5 and SHA-1 not recommended for security purposes?
MD5 and SHA-1 have known vulnerabilities and are susceptible to collision attacks. For cryptographic security, it's recommended to use SHA-256 or SHA-512.
Is my data secure when using this tool?
Yes, all hashing operations are performed locally in your browser. Your data is not transmitted to any server, ensuring complete privacy.