Agreement to Terms: By installing and using ThunderSweep, you agree to be bound by these Terms of Service. If you do not agree to these terms, do not install or use the extension.
1. Acceptance of Terms
These Terms of Service ("Terms") govern your use of ThunderSweep ("the Extension"), a Chrome browser extension provided by ThunderSecurity LLC ("we," "us," or "our"). By accessing or using the Extension, you agree to comply with and be bound by these Terms.
2. Description of Service
ThunderSweep is a Gmail security scanner that helps users identify sensitive documents in their email attachments. The Extension offers:
Free Plan: Limited scans (2 per week) with partial results (3 visible)
Clean Sweep: One-time purchase to unlock all results from a single scan
Shield Plan: Subscription for unlimited scans and monitoring (1 account)
Family Plan: Subscription for unlimited scans and monitoring (up to 5 accounts)
7-Day Free Trial: All new users receive 7 days of Shield features
3. Account Registration and Gmail Access
3.1 Gmail Authentication
To use ThunderSweep, you must connect your Gmail account via Google OAuth. By connecting your account, you grant the Extension permission to:
Read email metadata (sender, subject, date)
Access email attachments for local scanning
Delete emails at your explicit request
3.2 Data Processing
All data processing happens locally in your browser. We do NOT:
Upload your emails to our servers
Store your email content
Transmit your data to third parties
Read the body of your emails
4. Pricing and Payments
4.1 Free Trial
New users automatically receive a 7-day free trial of Shield features upon completing their first scan. The trial requires no credit card and automatically expires after 7 days.
4.2 Paid Plans
Clean Sweep: $14.99 one-time payment. Unlocks all results from ONE scan. No refunds after results are viewed.
Family Monthly: $9.99/month for up to 5 Gmail accounts, billed monthly. Cancel anytime.
Family Yearly: $99.99/year for up to 5 Gmail accounts, billed annually (equivalent to 10 months, 2 months free).
4.3 Payment Processing
All payments are processed securely through Gumroad. We do not store your payment information. By purchasing, you agree to Gumroad's Terms of Service.
4.4 Refund Policy
Clean Sweep: No refunds available. Once you deactivate the license, it cannot be reused and you will be immediately downgraded to the Free plan. Each Clean Sweep license is tied to a specific scan and is not transferable.
Monthly Subscriptions (Shield/Family): No refunds available. Upon cancellation, you may continue to use your subscription features until the end of your current billing cycle. No further charges will be made after cancellation.
Annual Subscriptions (Shield/Family): Upon cancellation, you may choose to either:
Continue using all subscription features until the end of your billing cycle, OR
Receive a prorated refund based on remaining months, minus the 2-month annual discount and processing fees
Trial Users: No refunds needed as the trial is free.
To request cancellation or discuss refund options for annual plans, email [email protected] with your license key.
4.5 Subscription Cancellation
You may cancel your subscription at any time. Upon cancellation:
You will retain access until the end of your current billing period
No further charges will be made
Your account will revert to the Free plan
5. License Grant
5.1 Limited License
Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to:
Install and use ThunderSweep for personal or internal business use
Use the Extension on devices where you have authorized Gmail accounts
5.2 License Restrictions
You may NOT:
Share your license key with others
Reverse engineer, decompile, or disassemble the Extension
Remove or modify any copyright notices
Use the Extension for illegal purposes
Attempt to bypass payment or trial limitations
Resell or redistribute the Extension
6. Account Limits
Free & Clean Sweep: 1 Gmail account per license
Shield: 1 Gmail account per license
Family: Up to 5 Gmail accounts per license
Attempting to use a license key beyond its account limit will result in license deactivation.
7. Acceptable Use
7.1 Prohibited Activities
You agree NOT to:
Use the Extension to violate any laws or regulations
Scan emails you do not have permission to access
Use the Extension to harass, abuse, or harm others
Attempt to hack, compromise, or abuse the Extension's systems
Use automated tools to manipulate trial or scan limits
8. Intellectual Property
ThunderSweep, including all software, documentation, trademarks, and content, is owned by ThunderSecurity LLC and protected by copyright and intellectual property laws. You acknowledge that no ownership rights are transferred to you.
9. Disclaimers and Limitations of Liability
9.1 No Warranty
THE EXTENSION IS PROVIDED "AS IS" WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:
Warranties of merchantability or fitness for a particular purpose
Guarantees that the Extension will detect all sensitive documents
Warranties that the Extension will be error-free or uninterrupted
9.2 Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY LAW, THUNDERSECURITY LLC SHALL NOT BE LIABLE FOR:
Any indirect, incidental, special, or consequential damages
Loss of data, profits, or business opportunities
Damages resulting from use or inability to use the Extension
Any damages exceeding the amount you paid for the Extension in the past 12 months
9.3 Acknowledgment
You acknowledge that:
ThunderSweep is a tool to help identify sensitive documents, but may not detect all instances
You are solely responsible for decisions about deleting emails
We are not responsible for data loss if you delete important emails
You should back up important data before using bulk delete features
10. Data and Privacy
Your use of the Extension is also governed by our Privacy Policy, which is incorporated into these Terms by reference. Please review our Privacy Policy to understand our data practices.
11. Modifications to Service and Terms
11.1 Service Changes
We reserve the right to:
Modify, suspend, or discontinue the Extension at any time
Change pricing for future purchases (existing subscriptions unaffected)
Add or remove features
11.2 Terms Updates
We may update these Terms from time to time. We will notify you of material changes by:
Updating the "Last Updated" date at the top of this page
Displaying a notice in the Extension (for significant changes)
Your continued use of the Extension after changes constitutes acceptance of the updated Terms.
12. Termination
12.1 Termination by You
You may stop using the Extension at any time by:
Uninstalling the Extension from your browser
Canceling your subscription (if applicable)
Disconnecting your Gmail account
12.2 Termination by Us
We may suspend or terminate your access if you:
Violate these Terms
Engage in fraudulent activity
Abuse the trial or refund system
Use the Extension in a harmful manner
12.3 Effect of Termination
Upon termination:
Your license to use the Extension immediately ends
You must uninstall the Extension
Subscription fees are non-refundable except as stated in our Refund Policy
13. Governing Law and Dispute Resolution
13.1 Governing Law
These Terms are governed by the laws of [Your State/Country], without regard to conflict of law principles.
13.2 Dispute Resolution
For any disputes arising from these Terms or your use of the Extension: