1. What This Site Is

Free educational tools

HashMama is a free, open educational site about cryptographic hash functions. By using it, you agree to these terms.

Hashing tools: Interactive calculators for SHA-256, SHA-512, MD5, and more - all run in your browser.

Educational content: Tutorials, documentation, and visualizations about hash functions and cryptography.

Student projects: A place to share and discover cryptographic projects.

No accounts, no payments, no subscriptions. Everything here is free.

2. Acceptable Use

Use it for learning

These tools are for education and research. Don't use them for anything illegal or harmful.

Use the tools for learning, research, and legitimate cryptographic work.

Don't attempt to abuse, scrape, or attack the site or its APIs.

The collision demo and security tools are for understanding weaknesses - not exploiting them.

Prohibited: Using these tools for unauthorized access, malicious purposes, or any violation of applicable law.

3. Intellectual Property

Educational content on this site is available for personal and academic use with attribution.

Student project submissions remain the property of their authors.

The underlying cryptographic algorithms (SHA-2, SHA-3, etc.) are public standards - we don't own them.

4. Disclaimers

Educational use only

These tools are for learning. Don't use them in production security systems without proper validation.

We make no guarantees about uptime or availability - this is a free site.

We're not liable for how you use the information or tools on this site.

5. Changes

We may update these terms as the site evolves. Continued use of the site means you accept any changes.

Questions? Reach out via the contact page.

Last updated: 2025