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Hash Generator - Online MD5, SHA-1, SHA-256 & SHA-512 Calculator

Calculate cryptographic hash digests including MD5, SHA-1, SHA-256, and SHA-512 from any text string with instant output.

This tool runs in your browser.

Your result will appear here.

How to use

  1. 01Enter the plaintext string into the text input area.
  2. 02The tool computes MD5, SHA-1, SHA-256, and SHA-512 hashes simultaneously.
  3. 03Switch between uppercase and lowercase formats, then copy the required checksum.

FAQ

What are the defining characteristics of cryptographic hashes?

Cryptographic hashes provide deterministic output length, irreversibility, and an avalanche effect where slight input changes drastically alter output.

Which hash algorithm is recommended for security applications?

While MD5 and SHA-1 are suitable for simple file checksums, SHA-256 and SHA-512 are universally recommended for digital signatures and secure protocols.

Is my input string processed privately?

Yes. All hash digests are computed client-side using Web Cryptography APIs without transmitting any text across the internet.