Free tools
Free resources to practice safer AI usage — and a natural path to OmniShield when you want automatic protection in ChatGPT, Claude, and more.
Most popular
Remove emails, tokens, and private data before sending to AI tools — 100% in your browser.
Open tool →Templates
Ready-made prompts that help you get AI help without dumping raw secrets.
Open tool →For developers
Copy-paste project rules so IDE AI assistants avoid asking for or echoing secrets.
Open tool →Practical write-ups that pair with these tools. New posts appear here automatically from the blog list.
Developer security
Privacy settings reduce data use, but they do not make live credentials safe prompt material. Use this practical checklist before sharing code with AI.
Read article →AI privacy
A plain-English guide to Claude’s consumer training controls, commercial products, Incognito chats, and the data you should still remove.
Read article →Developer security
Why .env files are unusually risky AI prompts, what to do after sharing one, and how to sanitize configuration without destroying useful context.
Read article →Comparison
A candid comparison of four local-first tools for keeping API keys, credentials, and PII out of AI chats.
Read article →Technical guide
A hands-on explanation of what leaves your browser when you send a prompt, how to inspect the request, and what masking changes.
Read article →Incident response
A practical incident-response checklist: revoke the key, inspect usage, replace it safely, and prevent the same mistake next time.
Read article →