Mask · Office #43,579

What it is

Calls itself “privacy tool”.

• Calls itself: privacy tool

“We would rather lose a sale than oversell a privacy tool.”

What it costs

Monthly subscription. A free tier, free forever. Has an enterprise plan. Sales on request. No yearly plan. No one-time option. Prices quoted: $0, $29, $9.

• One-time: no
• Monthly: yes
• Yearly: no
• Free plan: free forever
• Price: $0 · $29 · $9
• Enterprise plan: yes
• Contact sales: yes

“Desk $0 free forever”

“Team $29 per month, 5 seats”

Who it sells to

Sells to consumers. Built for solo users.

• Sells to: consumers
• Company size: solo / indie

“Mask is built for the person about to paste client text into a chatbot: fast, browser-local, honest about limits, and priced for one desk.”

How it runs

A web app. Runs locally and works offline. AI is a side feature.

• Kind: web
• Runs where: on the device, offline
• AI role: a side feature

“Masking runs in JavaScript in your browser tab.”

“Hide private details before your text reaches any AI”

What it works with

Names ChatGPT, Claude and 2 more on its pages.

• Names: ChatGPT · Claude · Gemini · +1

“Copy the masked text (or a JSON envelope) into ChatGPT, Claude, Gemini, a free model, or your own pipeline.”

“Shuttlewright Mask - Use any AI without giving it your real data”

What it offers as proof

Live, no waitlist. Claims “26 of 26 seeded values (100%)”. Compliance: GDPR. Try it without signing up.

• Number claimed: 26 of 26 seeded values (100%)
• Compliance: GDPR
• Instant signup: yes
• Trial asks for: nothing

“Open Mask”

“Runs in your browser. No account.”