Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text — instantly and privately in your browser.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes online.
Why use our Hash Generator?
Multiple Algorithms
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes — choose the right algorithm for your use case.
100% Private
All hashing is done locally in your browser using the Web Crypto API. Nothing is sent to any server.
Instant Output
Hash is computed as you type — no form submission, no delays.
Copy Ready
One-click copy puts the hash string directly on your clipboard.
Frequently Asked Questions
What is a cryptographic hash?
A hash function takes any input and produces a fixed-length string (the hash or digest). The same input always produces the same output, but it's computationally infeasible to reverse — making it ideal for checksums and data verification.
Which hash algorithm should I use?
For security-sensitive uses, SHA-256 or SHA-512 are recommended. MD5 and SHA-1 are considered cryptographically broken for security purposes but are still useful for checksums and data integrity checks.
Can hashes be reversed?
No. Hash functions are one-way by design. You cannot reconstruct the original input from a hash. However, common passwords can be cracked via rainbow tables — always salt your hashes in authentication systems.
What's the difference between MD5 and SHA-256?
MD5 produces a 128-bit (32-character hex) hash and is fast but no longer secure. SHA-256 produces a 256-bit (64-character hex) hash and is considered cryptographically safe for most applications.
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