Free Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 & more instantly — secure, fast, and browser-based.
Generate Hash
Verify Hash
Check if a hash matches your input text using the selected algorithm.
Algorithm Info
Learn about different hashing algorithms and their use cases.
Secure Algorithms
SHA-256, SHA-512, SHA3, BLAKE2b, and BLAKE3 are recommended for security-critical applications.
Legacy Algorithms
MD5 and SHA-1 are deprecated for security purposes but may be needed for legacy compatibility.
Hash Verification
Use the Verify Hash section to check if a hash matches your input text. This is useful for verifying file integrity, checking downloaded files, or validating data authenticity.
Common Uses
- Password hashing
- File integrity checks
- Digital signatures
- Blockchain applications
- Data verification and validation
Privacy Note
All hashing is done locally in your browser. Your data never leaves your device.
About Hash Generator
What is a Hash?
A hash function converts input data of any size into a fixed-size string of characters, which is typically a hexadecimal number. Hash functions are one-way functions, meaning you cannot reverse the process to get the original data back.
Hash Verification
The Hash Verification feature allows you to check if a given hash matches your input text using the selected algorithm. This is particularly useful for verifying file integrity after downloads, checking if data has been tampered with, or validating checksums. Simply enter the original text and the hash you want to verify, and the tool will instantly tell you if they match.
Security Note
All hashing is performed locally in your browser. Your data never leaves your device, ensuring complete privacy and security.
Common Uses
- Password verification and storage
- Data integrity checking and validation
- Digital signatures and certificates
- File checksums and verification
- Blockchain and cryptocurrency
- Verifying downloaded files against published hashes
Algorithm Recommendations
SHA-256, SHA-512, SHA3-256, BLAKE2b, and BLAKE3 are recommended for most security-critical use cases. MD5 and SHA-1 are considered deprecated for security purposes and should only be used for legacy compatibility or non-security applications.