BeatMask

How BeatMask protects you

chatgpt.com

Proofread this for HR: Hi, please update my direct deposit — routing 021000021, account 4820391877. My SSN is 341-88-6027 for verification.

BeatMask: 3 sensitive items detected

Scans as you type

Every keystroke analyzed on-device in under 100ms. 500+ detection rules catch sensitive data before it leaves your machine.

Claude

ChatGPT

Gemini

Copilot

Perplexity

DeepSeek

Every AI, one extension

One install protects every conversation, no matter where you chat.

✓

PDF

✓

PNG

✓

DOCX

✓

CSV

✓

WEBP

✓

TXT

✓

PDF

✓

PNG

✓

DOCX

✓

CSV

✓

WEBP

✓

TXT

✓

JPG

✓

XLSX

✓

SVG

✓

PPTX

✓

GIF

✓

.PY

✓

JPG

✓

XLSX

✓

SVG

✓

PPTX

✓

GIF

✓

.PY

✓

TIFF

✓

JSON

✓

BMP

✓

ODT

✓

HTML

✓

SQL

✓

TIFF

✓

JSON

✓

BMP

✓

ODT

✓

HTML

✓

SQL

75+ file types checked on paste or drop

PDFs, images, Office docs, code files. All scanned before they reach any AI.

Detection Engine

500+ detection rules.
Nothing gets through.

API keys, credit cards, medical records, government IDs. Caught on your device before anything leaves.

Detection rules

Industries

Countries

Credentials & Secrets

AWS Keys GitHub Tokens Stripe Secrets SSH Keys GCP Credentials Slack Webhooks + more

Financial Data

Credit Cards Bank Accounts Routing Numbers IBAN SWIFT Codes Crypto Wallets + more

Protected Health Info

NPI Numbers DEA Numbers Medicare IDs Health Plan IDs Medical Records Drug Codes + more

Legal & Privileged

Case Numbers Attorney–Client Privilege Court Filing IDs Bar Numbers + more

Government IDs

SSNs Passports Aadhaar NHS Numbers Tax File Numbers Driver's Licenses + more

Your Identity

Email Addresses Phone Numbers Physical Addresses Dates of Birth IP Addresses Biometrics + more

The free extension runs 225+ rules in your browser. Nothing leaves your machine.

BeatMask Pro ↓ adds a local AI model that catches what rules alone can't: names, addresses, medical records, and more.

Our promise

They don’t see it.
Neither do we.

We send your data to cloud AI for analysis.

We train our own models on your prompts.

We sell “anonymized” usage analytics.

Everything runs on your machine.
We never see a single keystroke.

Stays on your machine

Extension + Pro. Always local, never phones home.

We push down. Never pull up.

New patterns arrive. Your data never leaves.

No servers to breach

No backdoor to your data. We never built the door.

Community, not extraction

You choose if and when to help. We never take.

BeatMask Pro

The extension protects your browser.
Pro protects your entire machine.

2× the detection. Fewer false alarms. Nothing slips through.

Available now on macOS · Windows coming soon

New

See what’s already exposed

Your desktop tools are already reading your files. Scanning your folders. Capturing your screen. Pro shows you what they can reach. Stored passwords. Plaintext credentials. Secrets you forgot were there.

Always-on clipboard

A patient’s diagnosis. A client’s Social Security number. A production database password. Pro catches it the moment you copy it.

Custom language model on your machine

Pro runs a local AI model right on your machine. It understands names, medical terms, legal references, case numbers—not just patterns. No cloud calls. No data leaves your computer.

Pricing

Start free. Upgrade when ready.

No trial period. No feature gates. The free extension is genuinely powerful on its own.

Free

Forever

The full browser extension with real-time scanning across every major AI platform.

250+ sensitive data types across 11 categories
Real-time scanning as you type
Smart replacement with realistic stand-ins
File upload scanning up to 250KB
6 AI platforms supported
Customizable severity levels
100% local. Zero data collection, zero telemetry

Add to Chrome

Pro

$7/mo

Or $59.99/year (save 29%)

Native macOS app with AI-powered detection. Hooks into your extension to make scanning faster, broader, and smarter:

500+ detection types — 2× the Free extension
On-device AI model — catches names, orgs, medical & legal terms
Always-on clipboard monitoring
No file-size limits on scanning
Cross-engine intelligence (regex + AI boost each other)
Undo any masking action instantly
Full detection audit trail
Native macOS system tray app
Priority support

Download for macOS

Enterprise

Custom

For teams and organizations

Centralized controls and compliance tooling for regulated industries.

Everything in Pro
Team-wide policy management
Centralized audit logging
Custom detection rules
SSO & provisioning
Compliance reporting (HIPAA, SOC 2)
Dedicated support & onboarding

Lisa Hartwell <lhartwell@davis-webb.com> 2:34 PM

to Robert Tanaka

RE: Project Falcon — Revised Term Sheet

PRIVILEGED AND CONFIDENTIAL — ATTORNEY-CLIENT COMMUNICATION

Robert — revised offer is $34.2M with a 60-day holdback of $2.8M. Wire the holdback escrow to First National, routing 021000021, account 8837-2241-5509. Sarah Moreno at Acme needs to sign the escrow agreement by March 15.

Still outstanding: IP indemnification language, employee retention commitments, and non-compete geographic restrictions (agreed at 50 miles). Please confirm by COB Wednesday. Case ref: 2:25-cv-04419-JKL.

Jordan Williams | STU-20258472

The Double-Edged Sword: How Social Media Reshapes Democratic Discourse

In the twenty-first century, social media platforms have fundamentally altered the landscape of democratic participation. While proponents celebrate these tools as equalizers that amplify marginalized voices, critics warn that algorithmic amplification of sensational content erodes the shared factual basis necessary for productive civic debate. This essay argues that social media's net effect on democracy depends not on the technology itself, but on the regulatory frameworks and digital-literacy initiatives that govern its use.

The 2024 Pew Research study found that 68% of Americans encounter political news primarily through social media feeds rather than traditional outlets. This shift has measurable consequences: exposure to algorithmically curated content correlates with increased political polarization…

AI gets what it needs.
You keep what's yours.

0 items secured

Every paste is permanent. Every prompt is stored.
Now you control what gets through.

How BeatMask protects you

Scans as you type

Every AI, one extension

75+ file types checked on paste or drop

500+ detection rules.
Nothing gets through.

Stays on your machine

We push down. Never pull up.

No servers to breach

Community, not extraction

BeatMask Pro

See what’s already exposed

Always-on clipboard

Custom language model on your machine

Stop sharing more
than you need to.

0 items secured

Every paste is permanent. Every prompt is stored.Now you control what gets through.

How BeatMask protects you

Scans as you type

Every AI, one extension

75+ file types checked on paste or drop

500+ detection rules.Nothing gets through.

Stays on your machine

We push down. Never pull up.

No servers to breach

Community, not extraction

BeatMask Pro

See what’s already exposed

Always-on clipboard

Custom language model on your machine

Stop sharing morethan you need to.

Every paste is permanent. Every prompt is stored.
Now you control what gets through.

500+ detection rules.
Nothing gets through.

Stop sharing more
than you need to.