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Cryptography tools that are clear, fast, and privacy-first

Use focused crypto utilities for hashing, encoding, random generation, and learning which tool fits your task. The first tools in this section are designed to run locally in the browser whenever possible.

  • Updated: 2026-04-30
  • Tools in this section process input on your device in the browser. Static pages are readable without account creation or server-side execution.

Featured tools from the current production slice. The catalog lists every page with a search filter.

Crypto tools

Guides and references

Privacy And Limitations

Tools in this section process input on your device in the browser. Static pages are readable without account creation or server-side execution.

  • Hashing is not encryption and cannot be reversed to recover the original input.
  • Browser cryptography depends on a modern browser and a secure context for the strongest guarantees.
  • Educational pages explain practical use cases, but they are not a substitute for a security review of production systems.

FAQ

Do these crypto tools upload my data?

The initial crypto tools are designed to run in the browser. Hashing, Base64 conversion, and random generation can happen locally without sending your input to a server.

Are hashes encryption?

No. Hashes are one-way fingerprints for data integrity and comparison. Encryption is reversible with a key; hashing is not.

Which crypto page should I start with?

Use SHA-256 for integrity checks, Base64 for text-safe encoding, random password for account credentials, and random hex for token-like values.

Are these tools suitable for compliance-critical systems?

These pages are practical references and browser tools, not compliance guarantees. Regulated or high-risk systems still require architecture review and policy controls.

What are the limits of in-browser cryptography pages?

Browser tools are excellent for local processing and education, but they do not replace backend key management, access controls, and audited security workflows.