Privacy Policy

Seedtrunk · Zydeno · 19 October 2026

Seedtrunk: Tab Saver & Session Manager ("Seedtrunk", "the extension") is published by Zydeno. Contact: [email protected]. Effective date: 19 October 2026.

In short

The extension stores data only in your browser (storage.local); nothing is sent to Zydeno or anyone else; no analytics.

Seedtrunk has no account, no server, no telemetry, no advertising and no remote code. It makes no network requests. It does not read or change the content of the websites you visit: it sees only the addresses and titles of your tabs.

What is stored in your browser

Sessions you save (their name, date, optional note, and for every tab its address, title, pinned state and tab group name and colour), up to five earlier versions of a session you update, automatic snapshots of your open windows with the same tab details, a live record of the open tabs used for the snapshot "before the browser closed", the trash (deleted items, kept for 30 days), and your settings (snapshot interval, theme, language and the other switches on the Settings page).

Tabs of private windows are not stored unless you switch that on in Settings. Page icons are not stored or loaded.

This data stays in the extension storage of this browser profile. Removing the extension normally deletes it. You can delete single items, empty the trash, or delete all data in Settings at any time. Right after "Delete all data" a copy is kept in the browser’s memory only for Undo until the browser closes.

Backup files written to your Downloads folder and files you export are ordinary files on your computer: they stay there after the extension is removed, and you can delete them like any other file.

Permissions and why they are needed

tabs: to read the addresses and titles of your tabs when you save a window or a snapshot is taken, and to open, group and close tabs when you restore a session, use "Save & close" or close duplicate tabs.

storage and unlimitedStorage: to keep sessions, snapshots, the trash and settings in storage.local. Without unlimitedStorage, browsers built on Chromium stop saving after 10 MB, and large collections of tabs would silently stop being saved.

alarms: to take snapshots on a timer, to remove trash items older than 30 days and to write the optional backup file.

tabGroups: to save the names and colours of tab groups and to recreate the groups when you restore.

downloads (optional, asked only when you turn on "Backup file in Downloads"): to save a backup file of your Seedtrunk data to your Downloads folder every day or week and to remove its own backup files older than the last seven. Without this permission the feature stays off.

The extension requests no access to websites, cookies, browsing history, bookmarks or the clipboard beyond what you start yourself.

Files you choose

Export creates a file on your computer (JSON with everything, a web page with links, or a list of links). Import reads a file or text you choose; a Seedtrunk backup is checked fully before anything is changed and shows a summary first, and Cancel changes nothing. You decide where these files are kept and who gets them.

Children

The extension collects no personal data from anyone, including children.

Links

Links to zydeno.com, the support e-mail address or the store page open only when you click them; the privacy policy of that site then applies. Addresses you open from your sessions are opened by your browser like any link you click.

Changes

If this policy changes, the new version is published at the same address with a new effective date. Questions or deletion guidance: [email protected].