How to use this tool

1. Fill in the inputs.
2. Read the result.
3. Copy or download as needed.

About the MD5 / SHA Generator

The MD5 / SHA Generator computes multiple hash values for the same input text all at once, including the legacy MD5 and SHA-1 algorithms alongside the modern SHA-256, SHA-384, and SHA-512 algorithms. This is useful for compatibility with older systems that still expect an MD5 or SHA-1 checksum, or for directly comparing the output length and format of different hash algorithms side by side.

Both MD5 and SHA-1 are clearly labeled as legacy algorithms in the results, since both have well-documented cryptographic weaknesses and should not be relied upon for any security-sensitive purpose — they are included here purely for compatibility and comparison purposes.

For the modern algorithms (SHA-1, SHA-256, SHA-384, SHA-512), the tool uses the browser's built-in Web Crypto API, the same secure, standards-based hashing implementation used by the dedicated Hash Generator tool. MD5, however, is not supported by the Web Crypto API at all — precisely because it is considered cryptographically broken — so this tool loads a small, dedicated MD5 JavaScript library specifically to compute that one legacy algorithm.

All five hash values are calculated from the exact same input text and displayed together, converted into readable hexadecimal strings, so you can see at a glance how the output length and appearance differ between the older, shorter MD5 and SHA-1 hashes and the longer, modern SHA-2 family hashes.

Common use cases

• Generating an MD5 or SHA-1 checksum for compatibility with an older system, file format, or legacy application that still expects one.
• Comparing the output of multiple hash algorithms side by side for the same input text.
• Verifying a file or data checksum against a value published using an older hashing algorithm.
• Learning about the different hash algorithm families and their differing output lengths.
• Quickly generating several hash formats at once instead of running separate tools for each algorithm.

Tips and best practices

• Do not use MD5 or SHA-1 for any password storage, digital signature, or other security-critical purpose — both have documented weaknesses that allow specially crafted inputs to produce the same hash (called a "collision"), undermining their reliability for security purposes.
• For any new project or system where you have a choice of algorithm, prefer SHA-256 or a stronger SHA-2 variant instead of MD5 or SHA-1.
• MD5 and SHA-1 remain useful for basic, non-security-critical file integrity checks (like confirming a download was not corrupted), where their known weaknesses are not a practical concern.
• If a legacy system specifically requires an MD5 checksum for compatibility, this tool provides one directly without needing a separate, dedicated MD5-only tool.

Frequently asked questions