Clean before AI · House #32,260

What it is

Calls itself “PII masking”.

• Calls itself: PII masking

“PII masking before any AI, on your computer”

Where it puts itself

Publishes a comparison page.

“Comparisons Claude vs ChatGPT and more -> https://hypervision.si/en/compare/”

What it costs

Has a free plan.

• Free plan: yes

“Free.”

Who it sells to

In European.

• Languages: European

“17 European languages”

How it runs

A browser extension. Runs locally and works offline. Distributed through the Chrome Web Store. AI is a side feature.

• Kind: extension
• Runs where: on the device, offline
• Distributed via: Chrome Web Store
• AI role: a side feature

“…and a Chrome extension that cleans as you paste.”

“Everything runs in your browser: no server, no account, works offline.”

What it works with

Runs inside Chrome extension. Plugin for Chrome extension. Names Claude, DeepSeek and 3 more on its pages.

• Runs inside: Chrome extension
• Plugin for: Chrome extension
• Names: Claude · DeepSeek · Gemini · +2

“Clean before AI as a Chrome extension Cleans right inside ChatGPT, Claude, Gemini, Copilot and more — as you paste, with real data shown in a side panel.”

“Clean before AI finds names, national IDs, IBANs, addresses, phone numbers and companies in your text and replaces them with labels like [PERSON_1] before it goes to ChatGPT, Claude or Gemini.”

What it offers as proof

Live, no waitlist. Claims “264 realistic documents”. Compliance: GDPR. Publishes a blog.

• Number claimed: 264 realistic documents
• Compliance: GDPR

“We tested Clean before AI on 264 realistic documents with 6,998 hand-labelled personal data items”

“It supports data minimisation and pseudonymisation — measures the GDPR requires or encourages (Arts 5, 25 and 32).”