OmniShield

Docs

Get started in minutes.

Install from Chrome, confirm masking works, then upgrade to Pro if you need OCR and advanced controls.

1. Install Free

  1. Open the Chrome Web Store listing.
  2. Click Add to Chrome and pin OmniShield.
  3. Open ChatGPT (or another supported site) and paste a test key such as sk-TEST1234567890abcdefghij.
  4. Press Send — the value should become an [OMNI_MASK_…] placeholder.

2. Activate Pro

  1. Purchase Pro (one-time) on the pricing page.
  2. Check email for your license key.
  3. Open the extension popup → Enter license key → Activate.
  4. Enable Pro features: context-aware masking, OCR, healthcare, block mode, custom rules.

3. Supported sites

ChatGPT, Claude, Google Gemini, Perplexity, Cursor.

4. Privacy reminder

Free and Pro do not upload your prompts. Pro may verify your license with our API. See Security and Privacy.

Need help?

Email support@omnishield.com or visit Contact.