Last updated: 2026-08-05
The Retrace Browser Collector is a local-first extension. It exists to feed your browser activity into the Retrace time-reconstruction app running on your own computer. It does not send anything to us or to any third party.
What it accesses
- The URL and title of your active browser tab, together with focus timing (when a tab became active and when you switched away).
- Your idle state (active/idle), used only to stop logging while you’re away.
What it does with it
- It posts completed active-tab spans to
http://127.0.0.1:19321— a loopback address, i.e. only to the Retrace capture app running on the same machine. The request is guarded by a token you paste in the extension’s options, so nothing else can receive it. - It never transmits data to the extension author, to Google, or to any remote server. There is no analytics, tracking, or advertising.
What it stores
- In
chrome.storage.local: your settings — the loopback token, your excluded-domain list, and the paused flag. - In
chrome.storage.session(in-memory only): the currently open span and a small queue of spans waiting to be sent to the local app. This is cleared when the browser closes.
Your controls
- Pause at any time from the toolbar popup — logging stops immediately.
- Excluded domains (in options) are never recorded — the domain and its subdomains are ignored.
- Only
http/httpspages are tracked;chrome://, extension, andfile://pages are ignored. - Removing the extension deletes its stored settings; your captured data lives in the desktop app and is removed separately (its uninstall/wipe removes it).
Data sharing and sale
None. Your browsing activity is sent only to your own machine and is never sold or shared.
Contact
Questions about this policy: johan.wonkavaara@gmail.com
