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Privacy Policy

vercel.appAI security & guardrails

PulseGate's liveness check found it on 19 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 19 Sep 2026. How this is checked

Keystone Privacy Shield is a browser extension that detects and redacts names, email addresses, phone numbers, and other personally identifiable information in AI chat prompts. It restores the original data locally in responses while keeping mappings and processing on the user's device.

Inferred · not functionally tested

WebEmbeddable
Privacy Policy preview
Visit vercel.app

Overview

6 features

Purpose: Preventing personally identifiable information from being sent to AI services in chat prompts.

Inferred · not functionally tested

Audience: People who use AI chat services and need local PII protection

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: unknown · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: keystone-website-psi.vercel.app · addons.mozilla.org. These links do not verify the individual claims.

Privacy Policy sits in PulseGate's AI security & guardrails category. Inferred · not functionally tested: It focuses on preventing personally identifiable information from being sent to AI services in chat prompts. Inferred · not functionally tested: Privacy Policy is a consumer product aimed at people who use AI chat services and need local PII protection. Basis unknown · not verified: It runs on the web and embeddable surfaces.

It is developed by Keystone Privacy Shield, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include PII Detection, Prompt Redaction, and Local Processing.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • PII Detection
  • Prompt Redaction
  • Local Processing
  • Response Restoration
  • Entity Type Controls
  • Temporary Mappings

Topics: Inferred · not functionally tested

Tags
pii-redactionai-privacybrowser-extensionprompt-protection
AI capabilities
Text
Inference: Local

JSON profile · Text profile · Access guide

Built with & integrations

Framework
Next.js
Hosting
Vercel
Runs on
BrowserEmbeddable
Detected from
Next.js
x-nextjs-prerender header · /_next/static/ in the HTML · __next_f in the HTML
Vercel
x-vercel-id header · x-vercel-cache header

Trust & compliance

Public signals
HTTPSStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed19 Sep · 22:37 UTC
    Fairwall Privacy Shield seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Privacy Policy

What is Privacy Policy?
Inferred · not functionally tested: Privacy Policy focuses on preventing personally identifiable information from being sent to AI services in chat prompts. It is catalogued under AI security & guardrails on PulseGate.
Who should use Privacy Policy?
Inferred · not functionally tested: Privacy Policy is a consumer product built for people who use AI chat services and need local PII protection.
What platforms does Privacy Policy run on?
Basis unknown · not verified: Privacy Policy runs on the web and embeddable surfaces.
Is Privacy Policy still active?
PulseGate's liveness check found it on 19 Sep 2026.
Who develops Privacy Policy?
Privacy Policy is developed by Keystone Privacy Shield.
When did Privacy Policy launch?
Privacy Policy first shipped in 2026.

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