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OneFocus - Privacy Policy

Last updated: 15 October 2026

The short version: OneFocus does not collect, track, sell, or transmit your browsing data. Everything runs locally in your browser. Information leaves your device only when you choose to send it: feedback, votes for new tools, or your email address if you sign up for updates.

What OneFocus stores - locally, on your device

Your settings (timer lengths, tab-limit and blocking preferences, reader and accessibility options) and your timer/break state are saved in your browser's local extension storage (chrome.storage). This stays on your device. It is not sent to us and is not synced to any server.

What OneFocus accesses - and does not keep

  • Web pages and tabs. To hide social feeds, show the break-lock screen, and render distraction-free reading, OneFocus reads and modifies the content of pages you visit and information about your open tabs. This all happens on your device, in real time. OneFocus does not record, store, or transmit the pages you visit, their content, your browsing history, or your tabs.
  • Ad and tracker blocking. Handled locally by Chrome's built-in declarativeNetRequest engine using a rule list bundled inside the extension. No browsing data is sent anywhere.

The only data that leaves your device: what you choose to send

If you use the "Report a bug or request a feature" form, the text you write - and your email address, if you choose to enter it - is submitted to a Google Form owned by the developer, so your feedback can be read and acted on. This only happens when you submit that form. Please don't include sensitive information in feedback. Data submitted this way is processed by Google under Google's Privacy Policy.

Votes in the setup walkthrough. If you tick tools you'd like and press Finish, the options you ticked, anything you typed under "Something else", the time and the OneFocus version number are sent to a database run by the developer. No name, email address or browsing data is sent with a vote.

Email updates. If you enter your email address and press Sign up, that address, the time and the OneFocus version number are sent to the same database, so you can be emailed when a new version ships. To unsubscribe, email hello@ctwalsh.com.

The database is hosted by Supabase.

What OneFocus never does

No analytics. No telemetry. No tracking. No advertising. No selling or sharing of your data. No remotely hosted code. No collection of financial information. No collection of personal information beyond what you choose to send, as described above.

Permissions

OneFocus requests broad page access so its features can work on the pages you actually use - for example, the break-lock has to be able to cover any page, and reading mode has to work on any article. This access is used only to provide the features described above, on your device.

Changes to this policy

We may update this policy from time to time; the "last updated" date above will change. Material changes will be noted in the extension's store listing.

Contact

Questions or concerns: hello@ctwalsh.com · https://ctwalsh.com/