TL;DR

Our extensions run 100% locally. We have no servers, no analytics, and no idea who you are.

✓ No data collection ✓ No accounts ✓ No analytics ✓ No cookies ✓ Works offline
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100% Local Processing

All data stays in your browser’s local storage. We never transmit anything to any server.

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Zero Tracking

No Google Analytics, no Mixpanel, no telemetry, no beacons. We don’t measure anything about you.

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No External Requests

Our extensions make zero network requests. No CDNs, no APIs, no remote resources of any kind.

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Fully Auditable

All source code is unminified and public on GitHub. Read every line yourself.

How we compare

Practice Zozimus Typical Extensions
Collects usage data Never Often
Requires account No Usually
Sends data to servers No servers Yes
Uses cookies Never Frequently
Open source Always Rarely
Works offline Fully Partially

Permissions explained

We only request what’s strictly necessary. Here’s why each permission exists:

What data do we store?

Only what you explicitly create, and only in your browser’s local storage:

Changes to this policy

If we ever change our privacy practices, we’ll update this page and note the changes in our GitHub commit history. Since our extensions are open source, any change is publicly auditable.

Last updated: April 2026

Verify it yourself

Don’t take our word for it. Here’s how you can confirm our privacy claims: