Keccak-256 Hash Generator
Calculate Keccak-256 hash for text. Free, fast, and secure Keccak-256 hash generator. 100% client-side, no data uploaded to server.
Input
What is Keccak-256?
Keccak-256 is a cryptographic hash function that produces a fixed-size hash value from variable-length input data. Based on the Keccak algorithm that won the SHA-3 competition. Uses a sponge construction which is fundamentally different from previous hash functions.
How to Use Keccak-256
1. Enter or paste your text into the input field. 2. The Keccak-256 hash is calculated instantly as you type. 3. Click "Copy" to copy the hash value to your clipboard. 4. Use the "Clear" button to reset and start over.
When to Use Keccak-256
Use Keccak-256 for modern cryptographic applications, especially in blockchain/cryptocurrency projects, or when you need the latest security standards.
How Keccak-256 Works
Keccak-256 uses a sponge construction with permutation functions based on the Keccak-f algorithm. It absorbs input through XOR operations and squeezes out the hash through multiple rounds of permutations.
Common Use Cases
- Ethereum blockchain
- Smart contracts
- Cryptocurrency
- Modern security protocols
- Post-quantum cryptography
FAQs
1 What is Keccak-256 used for?
Keccak-256 is used for ethereum blockchain, smart contracts, cryptocurrency, and more.
2 Is Keccak-256 secure?
Keccak-256 is currently considered secure for most applications when used correctly.