Enter a hash value below to search our database. We support multiple hash algorithms including MD5, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512. The hash type is automatically detected.
How Hash Lookup Works
Cryptographic hash functions are designed to be one-way: easy to compute but practically impossible to reverse mathematically. However, by pre-computing and storing billions of hash values, we can look up common strings and passwords.
Supported Hash Types
MD5
32 characters, 128-bit
5d41402abc4b2a76...SHA-1
40 characters, 160-bit
aaf4c61ddcc5e8a2...SHA-256
64 characters, 256-bit
2cf24dba5fb0a30e...SHA-512
128 characters, 512-bit
9b71d224bd62f378...Database Statistics
Our free tier includes common passwords and dictionary words. For access to our complete database with over 15 billion entries, including leaked password databases and extended character sets, check out our database statistics or contact us for API access.
Common Use Cases
- Password Recovery: Recover forgotten passwords for systems you own
- Security Research: Analyze password strength and breach data
- Forensic Analysis: Verify file integrity and identify unknown files
- Penetration Testing: Test security of hash implementations
Need Batch Processing?
Our API allows you to search thousands of hashes at once. Perfect for security audits and large-scale analysis. Contact us for enterprise pricing.