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/labs --interactive

Labs

Interactive security and LLM tools. Experiments run entirely in your browser -- no data leaves your device.

Security Demos

XSS prevention, SQL injection, hash generation, JWT decoding, password analysis, and encoding tools.

Open

LLM Labs

Prompt analyzer, jailbreak detector, token estimator, and system prompt builder.

Open

Open-source work & engineering notes

Practical IT operations, cybersecurity and applied AI — with source code and research notes to explore.

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© 2026 Petteri Kosonen

WASM particle engine · Next.js 16 · TypeScript