Hash Generator
Generate cryptographic hashes instantly. Enter your text and get SHA-1, SHA-256, SHA-384, and SHA-512 hashes computed securely in your browser.
How to Use the Hash Generator
- Enter your text in the input area above. You can type or paste any text.
- Click Generate Hashes to compute all supported hash algorithms simultaneously.
- The results table shows SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
- Click the Copy button next to any hash value to copy it to your clipboard.
About Cryptographic Hashing
A cryptographic hash function takes an input of any size and produces a fixed-size output called a hash, digest, or checksum. Hash functions are one-way: given a hash, it is computationally infeasible to determine the original input. Even a single character change in the input produces a completely different hash, a property known as the avalanche effect.
Hash functions are fundamental to modern computing and security. They are used for verifying data integrity (checksums), digital signatures, password storage, blockchain technology, and deduplication. This tool uses the Web Crypto API built into your browser, which provides high-performance, standards-compliant implementations of SHA-1, SHA-256, SHA-384, and SHA-512. Note that MD5 is not available through the Web Crypto API as it is considered cryptographically broken and should not be used for security-sensitive applications.
Frequently Asked Questions
A cryptographic hash is a fixed-size string generated from input data using a mathematical algorithm. It acts as a digital fingerprint. Even a tiny change in the input produces a completely different hash. Hashes are one-way functions, meaning you cannot reverse them to get the original data.
SHA-1 produces a 160-bit (40 hex character) hash and is considered deprecated for security. SHA-256 produces a 256-bit (64 hex character) hash and is widely used for security. SHA-512 produces a 512-bit (128 hex character) hash and offers the highest security level among these algorithms.
MD5 is considered cryptographically broken because researchers have found practical collision attacks. The Web Crypto API does not support MD5 for security reasons. For integrity checks or security applications, use SHA-256 or SHA-512 instead.
Yes. All hash computation happens entirely in your browser using the Web Crypto API. No data is transmitted to any server. Your input text stays completely private on your device.