Your Profile Passport, kept on your device and under your control.

Use Memento to personalize ChatGPT, apps, websites, recommendations, and content — without handing over your personal data.

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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.
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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.
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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.