Breezy Tools

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.

How to Use Hash Generator

  1. 1

    Enter your text

    Type or paste the text you want to hash into the input area. The tool accepts any length of text.

  2. 2

    View all hashes at once

    MD5, SHA-1, SHA-256, and SHA-512 hashes are computed simultaneously and displayed in separate fields below the input.

  3. 3

    Copy the hash you need

    Click the Copy button next to any algorithm to copy that hash to your clipboard.

Key Features

Four Algorithms at Once

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes simultaneously from a single input — no need to run them one at a time.

Instant Computation

Hashes are computed in real time as you type, powered by the Web Crypto API and a pure-JS MD5 implementation.

One-Click Copy per Algorithm

Each hash has its own Copy button so you can grab exactly the one you need without selecting text manually.

Client-Side Only

All hashing happens in your browser. Your input text is never sent to any server, keeping your data private.

Common Use Cases

  • Verifying File Integrity

    Generate a SHA-256 hash of file contents and compare it to a published checksum to confirm the file has not been tampered with.

  • Generating Cache Keys

    Create consistent hash keys from content strings for use in caching layers, ETags, or content-addressable storage systems.

  • Password Hashing Reference

    Quickly see what common hash algorithms produce for a given input — useful when debugging authentication systems or comparing stored hashes.

  • Data Deduplication

    Hash text content to detect duplicates across datasets without comparing full strings — faster and more storage-efficient.

Frequently Asked Questions

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

They differ in output size and security. MD5 produces a 128-bit hash (32 hex chars), SHA-1 produces 160 bits (40 chars), SHA-256 produces 256 bits (64 chars), and SHA-512 produces 512 bits (128 chars). MD5 and SHA-1 are considered cryptographically broken and should not be used for security. SHA-256 and SHA-512 remain secure for most purposes.

Can I reverse a hash to get the original text?▾

No. Cryptographic hash functions are one-way — you cannot derive the original input from a hash. If you need to verify text, hash it again and compare the outputs.

Is MD5 safe to use?▾

MD5 is not safe for cryptographic purposes (digital signatures, password storage) due to known collision vulnerabilities. It is still acceptable for non-security uses like checksums and cache keys.

Is my input text sent to a server?▾

No. All hashing is performed entirely in your browser using the Web Crypto API (for SHA algorithms) and a pure JavaScript implementation (for MD5). Nothing leaves your device.