Free · Client-side · 6 Hash Types

Online Hash Generator

Generate cryptographic hashes instantly from any text. Supports MD5, SHA-1, SHA-256, SHA-384, SHA-512, and SHA-3. All processing stays in your browser — nothing is sent to a server.

Updated: October 21, 2026 Built by Khalil Rahman 100% client-side
MD5
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SHA-1
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SHA-256
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SHA-384
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SHA-512
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SHA-3 (256)
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Hashes update as you type All processing is local

How to Use the Hash Generator

Using this hash generator is simple. Just type or paste any text into the input field, and you'll instantly see six different hash values appear below. There are no buttons to click and no waiting — the hashes update in real time as you type.

  • Input text: Type any string — a password, a file content, an API key, or just a greeting.
  • Instant hashes: MD5, SHA-1, SHA-256, SHA-384, SHA-512, and SHA-3 (256-bit) are generated immediately.
  • Copy any hash: Click the Copy button next to any hash to copy it to your clipboard.
  • Use cases: Verify file integrity, hash passwords, generate unique identifiers, or checksum data.

All hashing is done using the Web Crypto API (for the SHA family) and a pure-JS implementation for MD5 and SHA-3. Your data never leaves your device.

Why Use This Hash Generator?

Whether you're a developer, a security professional, or just someone who needs to quickly checksum a piece of text, this tool gives you instant, reliable results in a clean interface.

  • 6 algorithms — MD5, SHA-1, SHA-256, SHA-384, SHA-512, and SHA-3 (Keccak-256).
  • Real-time — hashes update as you type, no button presses required.
  • One-click copy — each hash has its own copy button for quick access.
  • Privacy-first — everything runs client-side; no data is sent anywhere.
  • Dark & light themes — easy on the eyes, day or night.
  • Mobile-friendly — fully responsive and works great on any device.

Frequently Asked Questions

This tool supports six widely-used hash functions: MD5 (128-bit), SHA-1 (160-bit), SHA-256 (256-bit), SHA-384 (384-bit), SHA-512 (512-bit), and SHA-3 (Keccak-256, 256-bit). Each is generated using standard cryptographic implementations.

Never. All hashing is performed entirely in your browser using JavaScript. The text you enter never leaves your device, and no analytics or tracking scripts are used. This makes the tool safe for sensitive data like passwords or API keys.

SHA-2 (which includes SHA-256, SHA-384, and SHA-512) is the most widely used family of hash functions, based on the Merkle-Damgård construction. SHA-3 is a newer standard based on the Keccak sponge construction, offering a different security foundation. Both are considered cryptographically secure, but SHA-3 provides an alternative in case of vulnerabilities in SHA-2.

Yes! Once the page has loaded, it works entirely offline. The hashing logic uses the built-in Web Crypto API and a pure-JS MD5/SHA-3 implementation, so no network requests are needed after load.

MD5 is considered cryptographically broken for security-sensitive applications due to collision attacks. We include it primarily for compatibility with legacy systems and checksum verification. For new projects, we strongly recommend using SHA-256, SHA-384, SHA-512, or SHA-3 instead.