Effective date: August 10, 2026
Focus Tracker does not collect your data. Everything the extension records stays in your own browser, on your own device. There is no account, no server, no sync, and no analytics. No information about your browsing is ever transmitted to us or to anyone else — we have no way to receive it even if we wanted to.
To measure your focus, the extension stores the following in your browser's local extension storage:
For each site visit: the URL, domain, and page title; when the visit started and ended; how long the tab was actively in the foreground versus idle; the category assigned to the site; and how the visit was classified (same task, task change, detour, or interruption).
Your settings: sensitivity level, target work-block length, excluded domains, and any category corrections you have made.
Categories the extension has worked out for sites it did not previously recognise.
Per-site word frequencies, used to recognise a site's own repeated boilerplate.
If you enable page content reading: individual content words taken from pages you visit. The page text itself is never stored.
In your browser only, using the standard extension storage API. This data is never uploaded. It is not shared with the developer, with any third party, or with any other device. Uninstalling the extension deletes all of it.
Visit history is automatically deleted after 30 days, and is capped at the 2,000 most recent visits. Older records are removed by the extension without any action from you. You can also clear all history at any time from the Settings tab.
The extension makes exactly one kind of network request, and only if you choose to enable the optional large categorisation model: downloading that model's files from Hugging Face (huggingface.co). This is a one-way download of model files. No information about you, your browsing, or your usage is included in that request beyond what any ordinary file download involves.
If you leave that model switched off, the extension makes no network requests at all. The smaller model used to judge whether two pages relate to the same task is included in the extension package and requires no download.
This feature is off by default. If you turn it on, the extension asks for your permission to access page content, and reads a short summary of pages you visit — the heading, meta description, and first paragraph — so it can tell two different tasks apart more accurately than a page title allows. Only individual content words are extracted and kept; the page text is discarded and never stored or transmitted. Declining the permission prompt leaves the feature off, and the rest of the extension works normally.
We do not collect, receive, or have access to any of your data.
We do not sell or transfer your data to third parties.
We do not use your data for advertising, profiling, or creditworthiness.
We do not use your data for any purpose unrelated to measuring your focus.
We do not use analytics, tracking pixels, or crash reporting.
From the extension's Settings tab you can: switch tracking off entirely; exclude specific domains from being tracked; correct or override how any site is categorised; clear all tracking history; make the extension forget the categories it has learned; and delete the downloaded model.
Focus Tracker is not directed at children and does not knowingly collect information from anyone. As described above, it collects nothing at all.
If this policy changes, the updated version will be posted at this URL with a new effective date. Material changes affecting what is stored or transmitted will also be noted in the extension's Chrome Web Store listing.