SecretGuard by Hunasys
Share prompts.
Protect secrets.
A second look. On your device.
Keep possible API keys, access tokens, and other credentials out of accidental AI messages. SecretGuard checks your draft when you try to send it, then lets you review, edit, or mask what it finds.
See how it works217 detection rules · Nine supported AI chats
Api key = K8m4Q2v7N9r5K8m4Q2v7N9r5
1 secret detected
For the AI chats you use
ChatGPT
Claude
Gemini
DeepSeek
Grok
Meta AI
Microsoft Copilot
Perplexity
Mistral
BUILT FOR YOUR WORKFLOW
Your prompts. Your protection.
- 217 Detection rules
- Checks prompts locally for known credential patterns.
- 50 Custom fields
- Add the field names that matter to you. SecretGuard checks their values alongside the bundled rules.
- 02 Protection modes
- Keep Send, Edit, and Mask, or choose the stricter Edit or Mask mode. You can also choose whether to protect client IDs.
These rules detect known credential patterns. They do not verify whether credentials are active or guarantee that every secret will be found.
BEFORE YOUR PROMPT LEAVES
One pause. Three choices.
When SecretGuard finds possible secrets, it shows the detected values so you can decide what to share.
- 01
Send
Send the original prompt with detected values unchanged. This unmasked send attempt is saved in local History.
- 02
Edit
Return to your draft and make changes before sending.
- 03
Mask
Replace detected values with
xxxxxxxxxxand activate the chat website’s send control.
PROTECTION THAT STAYS LOCAL
Your device does the checking.
SecretGuard does not upload your prompts to Hunasys or a remote scanning service.
Read the Privacy Policy- No remote prompt scanning
- Checks run in your browser. Hunasys does not receive your prompts or credentials through the extension.
- Local History, under your control
- Unmasked send attempts are saved on this device for up to 90 days, including their secrets. History is not encrypted by SecretGuard; delete entries you no longer need.
- No website tracking
- This site has no analytics, advertising cookies, or prompt collection. Support is available by email when you choose to contact us.
Made by Hunasys
A question. An idea. A better way.
Tell us what is working, what needs attention, or what you would like to see next. For bug reports, use a synthetic example and remove any secrets from screenshots.
connect.hunasys@gmail.comCovers recognized text inputs on supported chat websites. Some secrets may be missed. Websites can read text entered into their pages before you send it. SecretGuard is independent of the supported providers.