Add-ons foar Firefox Browser
  • Utwreidingen
  • Tema’s
    • foar Firefox
    • Wurdboeken en taalpakketten
    • Oare browserwebsites
    • Add-ons foar Android
Oanmelde
Foarbyld fan Highcloak

Highcloak troch Blueinit LLC

Detect and block personal data before sending to AI tools. Detection runs locally — we never see your data.Detects SSNs, credit cards, and personal data in AI prompts before they're sent. Runs locally. We never see your data.

EksperiminteelEksperiminteel
0 (0 beoardielingen)0 (0 beoardielingen)
Firefox downloade en de útwreiding ûntfange
Bestân downloade

Metadata útwreiding

Skermôfbyldingen
Oer dizze útwreiding
Highcloak catches personal data in your AI prompts before they leave your machine.

Paste a customer's Social Security number into ChatGPT? Highcloak blocks it. Type a credit card number into Claude? Blocked. Phone number in Gemini? You'll see a warning.

WHAT IT DETECTS

Social Security numbers
Credit card numbers (with Luhn validation)
Email addresses
Phone numbers
IP addresses
Dates of birth
US passport numbers
Driver's license numbers
HOW IT WORKS

You type into ChatGPT, Claude, Gemini, or Copilot
Highcloak scans your text locally in the browser
If PII is found, you see a warning or the send button is blocked
Choose to redact the data or remove it yourself
YOUR DATA NEVER LEAVES YOUR MACHINE All detection runs locally using pattern matching in the browser. Highcloak does not send your text anywhere. No cloud processing. No server required. No account needed.

Don't trust us — verify. The detection engine is open source.

CONFIGURABLE POLICIES

Block: SSNs, credit cards, passport numbers, driver's license numbers (send is disabled)
Warn: Names, phone numbers, IP addresses, dates of birth (you choose what to do)
Allow: Email addresses (logged only)
WORKS ACROSS EVERY AI TOOL One extension covers ChatGPT, Claude, Gemini, and Copilot. You don't need a separate tool for each.

FREE. NO ACCOUNT REQUIRED. Install and start detecting PII in under 60 seconds. No sign-up, no configuration, no server.

Coming soon: centralized policies, audit trails, and compliance reports for teams.
Wurdearre: 0 troch 0 beoardielers
Meld jo oan om dizze útwreiding te wurdearjen
Der binne noch gjin wurdearringen

Stjer-wurdearring wurdt bewarre

5
0
4
0
3
0
2
0
1
0
Noch gjin beoardelingen
Tastimmingen en gegevens

Fereaske machtigingen:

  • Jo gegevens foar chatgpt.com benaderje
  • Jo gegevens foar chat.openai.com benaderje
  • Jo gegevens foar claude.ai benaderje
  • Jo gegevens foar gemini.google.com benaderje
  • Jo gegevens foar copilot.microsoft.com benaderje

Opsjonele machtigingen:

  • Jo gegevens foar chatgpt.com benaderje
  • Jo gegevens foar chat.openai.com benaderje
  • Jo gegevens foar claude.ai benaderje
  • Jo gegevens foar gemini.google.com benaderje
  • Jo gegevens foar copilot.microsoft.com benaderje

Gegevenssamling:

  • De ûntwikkeler seit dat dizze útwreiding gjin gegevenssamling fereasket.
Mear ynfo
Mear ynformaasje
Add-on-keppelingen
  • Startside
  • Stipewebsite
  • E-mailadres foar stipe
Ferzje
1.1.0
Grutte
23,26 KB
Lêst bywurke
4 dagen lyn (14 apr. 2026)
Sibbe kategoryen
  • Privacy en befeiliging
Lisinsje
MIT-lisinsje
Privacybelied
It privacybelied foar dizze add-on lêze
Ferzjeskiednis
  • Alle ferzjes besjen
Tafoegje oan kolleksje
Dizze add-on rapportearje
Nei Mozilla’s startside

Add-ons

  • Oer
  • Firefox-add-onsblog
  • Utwreidingsworkshop
  • Untwikkelershub
  • Untwikkelersbelied
  • Mienskipsblog
  • Foarum
  • In bug melde
  • Beoardielingsrjochtlinen

Browser

  • Desktop
  • Mobile
  • Enterprise

Produkten

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Juridysk

Utsein oars vermeld, is op de ynhâld fan dizze website de Creative Commons Attribution Share-Alike License v3.0 of lettere ferzje fan tapassing.