WebToolBox

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text in real time.

128-bit
Enter text above to generate hash
160-bit
Enter text above to generate hash
256-bit
Enter text above to generate hash
512-bit
Enter text above to generate hash

About Hash Generator

Cryptographic hash functions take an arbitrary input and produce a fixed-size output (the “hash” or “digest”) that uniquely represents the input data. Even a tiny change in the input results in a dramatically different hash. Our Hash Generator computes four of the most commonly used algorithms simultaneously: MD5, SHA-1, SHA-256, and SHA-512. SHA-family hashes are computed using the browser's native Web Crypto API for maximum speed and security, while MD5 is handled by a pure JavaScript implementation since it is not available in Web Crypto.

How to Use

Type or paste text into the input area. All four hash digests are computed in real time as you type, with no need to press a button. Each result is displayed in its own row with a Copy button for quick clipboard access. Use the Copy All Hashes button to copy all four results at once in a labeled format. Click Clear to reset the input and outputs.

Key Features

  • Real-time hashing as you type with debounced computation.
  • Four algorithms: MD5 (128-bit), SHA-1 (160-bit), SHA-256 (256-bit), SHA-512 (512-bit).
  • SHA hashes powered by the Web Crypto API for native browser performance.
  • Individual copy buttons plus a bulk “Copy All” option.
  • 100 % client-side. Your text is never transmitted anywhere.

Common Use Cases

Hash generators are used to verify file integrity (comparing a computed hash with a published checksum), create cache keys, detect duplicate content, and build content-addressable storage systems. Developers frequently need hashes when implementing API authentication (HMAC signatures), generating ETag headers, or verifying that data has not been tampered with during transit. Note that MD5 and SHA-1 are considered cryptographically broken for security purposes; for new security-sensitive applications, prefer SHA-256 or SHA-512.