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The problem that made me build this
Every time I signed up for a new app or service, I clicked "I Agree" without reading a single line. Nobody reads Terms of Service. They're 30+ pages of dense legal language designed to be ignored.
But I kept hearing horror stories:
- Apps training their AI on your private photos
- Subscriptions auto-renewing for €99/year after a free trial
- Platforms stripping your right to sue them (forced arbitration)
- Companies sharing your data with hundreds of "partners"
So I built ToS Radar PRO — a Chrome extension that reads the fine print so you don't have to.
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How it works
The extension uses AI to scan any Terms of Service or Privacy Policy page and flags six categories of dangerous clauses:
AI/Data Scraping — "We may use your content to train our AI models" #
Forced Arbitration — You waive your right to take them to court #
Auto-Renewals — Subscription traps buried in paragraph 47 #
Data Sharing — Your data sold to advertisers and data brokers #
Unilateral Changes — They can change the terms anytime without notice #
Account Termination — They can delete your account for any reason
The key architectural decision: everything runs locally in your browser. No API calls, no external servers, no data leaving your machine. Pure privacy.
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Tech stack
- Chrome Extension Manifest V3
- Vanilla JavaScript (no frameworks — keeping it lean)
- Local AI inference via the browser
- Zero external dependencies
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What I found while testing
After running it against 50+ popular websites, here are the most common traps:
97% of apps reserve the right to train AI on your data #
83% include forced arbitration clauses #
76% have auto-renewal terms that are hard to find #
100% reserve the right to change terms at any time
The worst offenders? Social media platforms and productivity SaaS tools.
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Try it free ToS Radar PRO is completely free on the Chrome Web Store:
Install ToS Radar PRO Would love feedback from the DEV community — especially on the tech approach and features you'd want added. What clauses do you care about most?