Hash Generator
Generate MD5, SHA1, SHA-256, and SHA-512 hashes from any text input. Zero-latency, client-side processing for maximum privacy.
Online Hash Generator
This free online hash generator tool allows you to instantly compute cryptographic hashes for any text string directly in your browser. We support the most common hashing algorithms including **MD5**, **SHA-1**, **SHA-256**, and **SHA-512**.
Supported Algorithms
- MD5 (Message Digest Algorithm 5): Produces a 128-bit hash value. While fast, it represents a weaker security standard for passwords.
- SHA-1 (Secure Hash Algorithm 1): Produces a 160-bit hash value. Historically popular but now considered vulnerable to collision attacks.
- SHA-256: Part of the SHA-2 family. Generates a 256-bit signature. Widely used in blockchain (Bitcoin) and SSL certificates.
- SHA-512: A 512-bit hash function offering higher security and collision resistance for sensitive data.
Key Features
- Client-Side Only: Your input data never leaves your browser. All computations happen locally on your device using JavaScript.
- Instant & Reactive: Output hashes update instantly as you type, with no server round-trips or latency.
- Copy to Clipboard: Easily copy any generated hash with a single click for use in your applications.
What uses Hash Functions?
Cryptographic hash functions are one-way algorithms that are fundamental to modern computer security. They are widely used for:
- Data Integrity: Verifying that a file has not been altered during transfer (checksums).
- Password Storage: Storing hashed versions of passwords instead of plain text (though bcrypt or argon2 are preferred).
- Digital Signatures: verifying the authenticity of digital documents and messages.