Never pay for a
forgotten trial again.
A Chrome extension that detects free trials as you browse, tracks their duration, and reminds you to cancel before you are charged.
What it does
Auto-detection
Scans pages in real-time for trial language. No manual entry, no false positives.
Smart Reminders
Email alerts before billing hits. Set your own timing, no spam ever.
Zero Tracking
We do not store browsing history, page content, or personal data. Ever.
100% client-side. Zero data leaves your browser.
MIT open-source. Audit the code yourself.
How it works
Install the extension
One click from the Chrome Web Store. Runs silently in the background.
Browse normally
When a trial is detected, the extension notifies you with the terms.
Get reminded
Save the trial and we email you before billing. Cancel if needed.
Cancel anytime. No account required. No data to sell.
Uninstall the extension at any time — no lock-in, no lingering accounts.
All trial data lives in your browser. We never see it, store it, or sell it.
The code is open source under the MIT license. Audit it yourself.
This is what TrialGuard looks like while you browse.