Privacy-first AI infrastructure.

Velum hero
ADIMEN SUITE

The veil that masks sensitive information before it reaches any LLM.

Privacy by Architecture

Privacy
that stays
with you.

Velum runs locally on your device. Your data is never stored, never logged, never sent anywhere. The model works on masked text, and you get the real answer back.

“Your data is yours. We made it impossible for us to see it.”

See it in action

Mask.Send.Restore.

Try it yourself
Interactive
YOUR TEXT3 PII detected
María García called about the inheritance of €200,000. Her NIF is 12345678Z and her email is maria@garcia.com
PERSON_1NIF_1EMAIL_1
MASKED FOR AIWaiting to mask
3 entities ready to mask

Works with any AI assistant

ChatGPT
Claude
Perplexity
Gemini
Gemini
Copilot
Copilot
Grok

Get Velum

Choose your platform. Start masking in seconds.

Browser Extension

Chrome & Chromium

Available

Mask sensitive data directly in your browser. Works with any web-based AI assistant.

Desktop App

macOS (Apple Silicon)

Available

Mask text, files, and entire folders on your Mac. The full offline engine runs on your device. Nothing is ever uploaded.

Version 0.3.0

Free and open source. No account required.

Dark lakehouse landscape
Zero Trust by Default

Your data never leaves your machine.

N
No serversVelum
Infrastructure

No servers

Nothing to host. Nothing to configure. Nothing to maintain.

N
No accountsVelum
Identity

No accounts

No sign-up. No login. No identity tied to your data.

N
No cloud processingVelum
Processing

No cloud processing

All computation happens on your device. Period.

N
No trackingVelum
Telemetry

No tracking

No analytics. No telemetry. Your usage is yours alone.

Built for people who care

For individuals.For builders.For teams.

From a solo professional to an entire firm. If you work with information you can’t afford to leak, Adimen lets you use AI and keep every private detail to yourself.

Request a demo

See it work on your own data.

Tell us what you are working with and we will walk you through Velum, Corpus, and Praxis. No data leaves your hands.

We respect your privacy. Your details are only used to reach you.