Hash Generator
Generate SHA-256, SHA-512 hashes
Enter text and click Generate
Uses Web Crypto API for secure client-side hashing
About Cryptographic Hashes
Hash functions convert input data into a fixed-size string of characters. They are one-way functions - you cannot reverse a hash to get the original input.
About Hash Generator (SHA-256, SHA-512, SHA-1)
1What is it?
Generate cryptographic hashes for text or files. Supports modern standards like SHA-256 and SHA-512 for security, as well as legacy SHA-1 and MD5 for checksum verification. 100% client-side processing ensuring your sensitive data never impacts a server.
2Use Cases
- Verify file integrity (checksum comparison)
- Hash passwords (for learning/testing - use bcrypt for production!)
- Generate unique fingerprints for large text blocks
- Validate API signatures
- Create data identifiers
3Examples
Generate Hash
Input
Hello World
Output
a591a6d... (SHA-256)
?Frequently Asked Questions
Is this safe for passwords?
For real user passwords, you should use slow hashing algorithms like bcrypt or Argon2 with a salt. Simple SHA-256 is too fast and vulnerable to brute-force attacks if the database is leaked.
Can I decrypt a hash?
No. HMashing is a one-way process. You cannot 'decrypt' it back to the original text. You can only verify if a given text matches the hash.