SafePrompt

Your prompts never leave your browser. Zero egress to SafePrompt servers. SafePrompt detects and masks your sensitive data before it reaches a large language model, then restores your original text when the answer comes back. Everything happens locally, inside your browser. == How it works == 1. Detection — The extension reads your prompt while you write it and recognises sensitive information: emails, phone numbers, addresses, customer IDs, API keys (AWS / Stripe / GitHub / Google Cloud / Azure), access tokens, contracts, and more. 2. Local masking — Each piece of sensitive data is replaced with an anonymous placeholder (for example [EMAIL_1]) directly inside your browser. The replacement happens before the request reaches the LLM. 3. Local restoration — The LLM response comes back with the placeholders. SafePrompt swaps them with your real values, still inside your browser. The LLM never sees your original data. == Privacy guarantee == - 100% local — your prompt never transits through SafePrompt servers. - Zero prompt-content egress to our servers (CONSTRAINT-006). - GDPR-compliant (EU 2016/679) and CNIL-aligned. - EU hosting (Frankfurt / Amsterdam) — used only for anonymous usage telemetry. == Where it works == SafePrompt protects your prompts on the most popular web-based large language model interfaces. The up-to-date list of supported sites is published on our website. == Data coverage == - Secrets: AWS keys, Stripe tokens, GitHub tokens, Google Cloud keys, Azure keys, OpenAI keys, Anthropic keys, JWT, passwords. - Personal data: emails, phone numbers, postal addresses, IBAN, credit-card numbers, social-security numbers (NIR / SSN), SIREN / SIRET company IDs. == Who is it for? == - Freelancers and solo consultants who use LLMs with client data. - SMEs and growing startups who want team-wide control without a dedicated IT team. - Larger organisations that need single sign-on (SSO), automatic account provisioning, and a full audit log. == Pricing == - Solo Free — €0/month — secrets blocking and personal-data alerts. - Solo — €5/month — full personal-data masking, simplified dashboard. - Starter — €12/seat/month — teams of 5 to 49 people, team dashboard. - Business — €8/seat/month — 50+ collaborators, SSO, full audit log, data-processing agreement provided. 14-day trial on Starter and Business, no card required. Secure payment via Stripe Checkout (https://safeprompt.m-kis.fr/pricing). == Learn more == - Website: https://safeprompt.m-kis.fr - Architecture and trust: https://safeprompt.m-kis.fr/trust - Privacy policy: https://safeprompt.m-kis.fr/privacy - Pricing: https://safeprompt.m-kis.fr/pricing - Support: support@m-kis.fr SafePrompt is published by M-KIS.