Home/Hash Generator

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly.

Enter text and click "Generate" to see the hash result.

How to Generate a Hash

  1. 1Enter or paste the text you want to hash in the input area.
  2. 2Select the hash algorithm you want to use — MD5, SHA-1, SHA-256, SHA-384, or SHA-512.
  3. 3The hash is generated instantly as you type or when you click "Generate".
  4. 4Toggle uppercase to switch between lowercase and uppercase hex output.
  5. 5Click "Copy" next to any hash result to copy it to your clipboard.

Features

●Support for MD5, SHA-1, SHA-256, SHA-384, and SHA-512 algorithms
●Real-time hash generation as you type
●Toggle between lowercase and uppercase hex output
●One-click copy for each hash result
●Uses native Web Crypto API for SHA algorithms
●100% client-side — your data never leaves your browser
●Handles Unicode and special characters with UTF-8 encoding
●Free to use with no rate limits or sign-up required

Frequently Asked Questions

What is a hash function?▼
A hash function is a mathematical algorithm that converts input data of any size into a fixed-size string of characters. The output (hash) is unique to the input — even a small change produces a completely different hash. Hash functions are one-way, meaning you cannot reverse the hash to get the original data.
Which hash algorithm should I use?▼
For security purposes, use SHA-256 or SHA-512. SHA-1 and MD5 are considered cryptographically broken and should not be used for security. However, MD5 is still commonly used for file integrity checks and checksums. SHA-256 is the most widely used secure hash algorithm today.
Is MD5 still safe to use?▼
MD5 is not safe for cryptographic purposes like password hashing or digital signatures because collision attacks have been demonstrated. However, it is still acceptable for non-security purposes like checksums, cache keys, and data deduplication where collision resistance is not critical.
Can I reverse a hash to get the original text?▼
No. Cryptographic hash functions are designed to be one-way. You cannot mathematically reverse a hash. However, attackers can use rainbow tables or brute force to find inputs that produce a known hash, which is why strong, salted hashing is important for passwords.
Is my data safe when using this tool?▼
Yes. All hashing is performed entirely in your browser using the Web Crypto API (for SHA) and a local JavaScript implementation (for MD5). No data is sent to any server. You can verify this by checking the network tab in your browser's developer tools.

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