Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text instantly. All processing is done client-side — your data never leaves your browser.

Input Text

Hash Results

MD5—
SHA-1—
SHA-256—
SHA-512—

About Hash Functions

Cryptographic hash functions convert any input into a fixed-length string (the hash or digest). The same input always produces the same hash, but even a single character change produces a completely different hash.

MD5 produces a 128-bit (32 hex characters) hash. It is fast but no longer considered cryptographically secure for sensitive use cases. SHA-1 produces 160-bit hashes. SHA-256 and SHA-512 are part of the SHA-2 family and are widely used for security-critical applications.

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Developers deal with hashes all the time — checking download integrity, storing passwords safely, or verifying data hasn't been tampered with. But jumping between terminal commands and digging through Web Crypto API docs gets old fast. This tool generates MD5, SHA-1, SHA-256, and SHA-512 hashes from any text directly in your browser. Everything stays on your machine — no data is ever sent to a server, which matters when you're working with sensitive content like password hashing or API key verification.

How to Use the Hash Generator

1

Paste Your Text

Type or paste any text into the input box. The hashes update instantly as you type — no button required.

2

Read the Hash Results

Four hashes appear automatically: MD5 (32 hex chars), SHA-1 (40 chars), SHA-256 (64 chars), and SHA-512 (128 chars). Pick the one you need.

3

Copy to Clipboard

Click the copy button next to any hash to copy it instantly. Use SHA-256 or SHA-512 for security-critical applications.

Example Output

Example: Hashing the word "Hello"

Input text:

Hello

Generated hashes:

MD5:    8b1a9953c4611296a827abf8c47804d7
SHA-1:  f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0
SHA-256: 185f8db32921bd46d35a9e7ae7be4c4a7dc4d30dc0d84c4af78b9d79ee7a5a3f
SHA-512: 3615f80c9d293ed7402687f94b22d58e529b8cc7916f8fac7fddf7fbd5af4cf777d3d795a7a00a16bf7e7f3fb9561ee9baae480da9fe7a18769e71886b03f315

Frequently Asked Questions

What is the difference between MD5, SHA-1, SHA-256 and SHA-512?

They differ in output length and security. MD5 produces a 128-bit hash and is considered cryptographically broken — fine for checksums but not for security. SHA-1 (160-bit) is also deprecated for security use. SHA-256 and SHA-512 from the SHA-2 family are currently recommended for cryptographic applications.

Is my data sent to a server when generating hashes?

No. All hashing runs entirely in your browser using the Web Crypto API. Your text never leaves your machine — there are no API calls, no logging, no tracking.

Can I use this to hash passwords?

You can generate hashes of passwords here, but for production password storage you should use purpose-built algorithms like bcrypt or Argon2 (see OWASP Password Storage guidelines). Plain SHA-256 hashes are too fast and vulnerable to brute-force attacks.

How do I verify a file checksum with this tool?

Paste the file content or the expected hash string, generate the hash, and compare it against the published checksum. This is commonly done with software downloads to ensure integrity.

Does this tool support HMAC?

This tool generates plain cryptographic hashes. For HMAC (Hash-based Message Authentication Code), you'd need a secret key — which is a different workflow. We may add HMAC support in a future update.