This tool allows you to generate cryptographic hashes from any input text using multiple industry-standard algorithms including MD5, SHA-1, SHA-256, SHA-512, bcrypt, and Argon2id. Hashes are commonly used for verifying data integrity, digital signatures, and securely storing passwords. This tool updates all hashes automatically as you type, without requiring a Generate button.

1. Enter Input Text

In the Input text field, type or paste any text you want to convert into a hash. As soon as you begin typing, the tool will automatically calculate all hash formats. This includes lightweight algorithms (MD5, SHA) as well as slower, security-oriented algorithms like bcrypt and Argon2id.

2. Optional: Add a Salt

A salt is a string added to your input before hashing. Salts make hashes more unique and resistant to precomputed lookup attacks (like rainbow tables). Adding a custom salt will dramatically change the resulting hash. This tool appends the salt directly to the input value so you can see the effect immediately.

3. bcrypt Options

bcrypt is a slow, password-friendly hashing algorithm designed to make brute-force attacks extremely expensive. The Cost (rounds) field determines how many internal iterations bcrypt performs. Higher values increase security but also increase computation time. Recommended values:

• 10–12 for most real-world applications
• 14–15 for very high security requirements
• Lower values (4–8) only for testing and performance comparison

Every time you adjust this value, the bcrypt hash recalculates immediately.

4. Argon2id Options

Argon2id is the modern, recommended algorithm for secure password hashing. It is used in new authentication systems due to its strong resistance to GPU attacks and ability to consume both RAM and CPU. The tool exposes its three main parameters:

• Memory (MB) – the amount of RAM Argon2 consumes during hashing. Higher is more secure.
• Iterations – the number of passes Argon2 performs. 2–4 is generally recommended.
• Parallelism – number of threads or lanes, affecting speed and hardware usage.

These settings dramatically influence the hash output and compute cost. Changes update the resulting hash instantly.

5. Hash Results

The “Hash results” section displays all generated hashes simultaneously. This includes:

• MD5 – fast, insecure, integrity-only
• SHA-1 – deprecated for security, useful for checksums
• SHA-256 – standard modern hashing (used in blockchain)
• SHA-512 – stronger SHA variant with wider output
• bcrypt – slow hashing for passwords
• Argon2id – recommended modern password hash

Each hash has a Copy button allowing one-click copying to your clipboard. A confirmation message will appear at the bottom of your screen.

6. Notes & Security Recommendations

• Hashing is one-way only; input cannot be recovered from a hash.
• MD5 and SHA-1 are not secure for passwords or sensitive data.
• bcrypt and Argon2id automatically generate their own secure salts internally in real applications.
• This tool uses a visible salt only for demonstration and learning purposes.
• Argon2id is the recommended algorithm for modern authentication systems.
• Always use random salts and cost parameters appropriate for your system’s hardware.

Use this tool for learning, prototyping, and testing hash algorithms. It is not intended to perform secure authentication by itself, but the output hashes match the real formats used by production systems.