Your Profile Passport. On your device. Under your control.

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One profile. Three big advantages.

A secure portable profile

One profile you control

Memento turns your interests into a transparent profile you can inspect, adjust, and carry into services you trust.
A cookie-proof ad platform

Connected Apps & Sites

Give approved apps, websites, and AI tools access to selected parts of your profile — with clear scopes, previews, and revoke controls.
A privacy-first personalization engine

Personalization without surveillance

Memento helps services become more relevant without requiring hidden tracking or unlimited access to your personal information.

Built for AI, apps, and the open web

Memento gives services approved context so they can become more useful without needing broad access to personal information.

Better results without giving everything away

Memento helps AI tools and apps become more personal while keeping the profile local and user-controlled.

News

05.2026

Bring Your Profile to AI

Memento is testing a new flow that lets users bring approved profile context into AI tools like ChatGPT.
12.2025

From Publisher Personalization to Profile Passport

Memento’s early publisher work evolved into a broader user-controlled Profile Passport for apps, AI, and websites.
03.2025

Patent Pending On-Device Personalization

Memento’s patent-pending approach supports personalization from the user’s device instead of centralized tracking.