Legal Documents

Terms of Service · Privacy Policy · Refund Policy

Last Updated: July 18, 2026

✅ 1. Acceptance of Terms

By installing, accessing, or using the LinguaMini Pro Chrome extension ("Extension"), you agree to be bound by these Terms of Service. If you do not agree, please uninstall the Extension immediately.

These Terms apply to all users — free ("Starter") and paid ("Pro") subscribers alike.

✅ Last updated: July 18, 2026. Continued use after any changes constitutes your acceptance of the updated Terms.

📦 2. Description of Service

LinguaMini Pro is a Chrome browser extension providing AI-powered, real-time translation. Features include:

  • Chat Translation: One-click translation on 15+ platforms — WhatsApp Web, Fiverr, Upwork, LinkedIn, Messenger, Telegram, Slack, Discord, 99designs, Freelancer, Guru, Skype, Toptal, PeoplePerHour, Truelancer.
  • Audio/Voice Message Translation: Real-time transcription and translation of voice messages (Pro feature).
  • Select & Translate: Right-click any selected text on any webpage to translate it (Pro feature).
  • 100+ Languages: Powered by Google Gemini AI, including Roman Urdu support.

The Extension connects to our secure backend hosted on Vercel, and uses Google Gemini AI for all translation processing.

👤 3. User Accounts & Authentication

To use LinguaMini Pro, you must sign in using your Google Account via Chrome's built-in OAuth2 identity system.

  • You must have a valid Google Account to use the Extension.
  • You are responsible for maintaining the security of your Google Account.
  • We use Firebase Authentication for secure session management.
  • Your authentication tokens are stored locally in your Chrome browser only — never permanently on our servers.

🔐 We never store your Google password. Authentication is handled entirely by Google's OAuth2 system within your Chrome browser.

💎 4. Subscription Plans & Usage Limits

Starter (Free) Plan

  • 10 translations per calendar month - auto-resets on the 1st of each month.
  • Text translation on all 15+ supported platforms.
  • Audio translation and Select & Translate are not included in the free plan.
  • No credit card required to sign up.

1 Month Plan - $10

  • Unlimited text and voice translations for 1 month.
  • All 15+ platforms supported.
  • Select & Translate on any website.

6 Months Plan - $49

  • Unlimited text and voice translations for 6 months.
  • All 15+ platforms supported.
  • Select & Translate on any website.
  • Priority support.

1 Year Plan - $89

  • Unlimited text and voice translations for 1 year.
  • All 15+ platforms supported.
  • Select & Translate on any website.
  • Premium support.

⚠️ Fair Use: Automated, bulk, or API-scraping use of the Extension is prohibited and may result in account suspension without refund.

💳 5. Payments & Billing

All payments are processed securely by LemonSqueezy. By purchasing, you also agree to LemonSqueezy's Terms of Service.

  • Prices are in US Dollars (USD).
  • Subscriptions renew automatically at the end of your billing cycle (1 Month, 6 Months, or 1 Year) until cancelled.
  • You will receive a receipt via email from LemonSqueezy after each charge.
  • To cancel, contact us or manage your subscription via LemonSqueezy.

🚫 6. Prohibited Use

You agree NOT to:

  • Reverse engineer, decompile, or extract the source code of the Extension.
  • Use the Extension for any illegal, harmful, or abusive purpose.
  • Bypass, circumvent, or defeat the free usage limits or authentication system.
  • Share, resell, or redistribute your Pro subscription access to others.
  • Use automated scripts or bots to make translation requests.
  • Interfere with the security or integrity of our backend servers.
  • Translate content that violates any applicable law or third-party terms of service.

©️ 7. Intellectual Property

LinguaMini Pro, its code, design, logos, and content are the intellectual property of the LinguaMini Pro team. The Extension is licensed for personal, non-commercial use only under your subscription plan.

You retain full ownership of any text or content you choose to translate through the Extension.

⚠️ 8. Disclaimer & Limitation of Liability

The Extension is provided "as is" without warranty of any kind. While we strive for accuracy, AI-powered translation may not always be perfect.

  • We are not responsible for translation errors or misunderstandings arising from use of the Extension.
  • We are not liable for any indirect, incidental, or consequential damages.
  • We do not guarantee 100% uptime of our backend services.
  • LinguaMini Pro is independent and is not affiliated with, endorsed by, or sponsored by WhatsApp, Fiverr, Upwork, LinkedIn, or any other platform it supports.

🔚 9. Termination

We reserve the right to suspend or terminate your access if you violate these Terms. Upon termination of a paid subscription, you retain access until the end of your current billing period.

📝 10. Changes to Terms

We may update these Terms periodically. Significant changes will be communicated via the Extension popup or email. Continued use constitutes acceptance of the updated Terms.

Questions about our Terms?

We respond within 2 business days.

📧 Contact Support

🔒 Summary: LinguaMini Pro is privacy-first. We only process the text you explicitly choose to translate. We do NOT store your messages, read your chats, or sell your data — ever.

🔒 1. Introduction

This Privacy Policy explains how LinguaMini Pro collects, uses, and protects your information when you use our Chrome Extension. We are committed to full transparency about your data.

📊 2. Information We Collect

Information You Provide

  • Google Account info: When you sign in with Google, we receive your name, email address, and profile photo. Used solely for account identification.
  • Text for Translation: Only the specific text you explicitly click "Translate" on is sent to our servers. We do NOT read, scan, or monitor your full chat history.

Information Collected Automatically

  • Monthly translation count: We count how many translations you have used this month (for the free 10/month limit). Stored in Firebase Firestore linked to your account.
  • Authentication tokens: Firebase ID tokens and refresh tokens are stored locally in your Chrome browser's storage (chrome.storage.local) — inaccessible to other extensions or websites.
  • Plan status: Your subscription plan (Free/Pro), plan name, and expiry date — stored in Firebase and local Chrome storage to display your account status.

What We Do NOT Collect

  • ❌ We do NOT store, log, or read your chat messages or conversations.
  • ❌ We do NOT collect your browsing history.
  • ❌ We do NOT track which websites you visit.
  • ❌ We do NOT sell your data to any third parties.
  • ❌ We do NOT use your data for advertising purposes.
  • ❌ We do NOT retain audio recordings — audio is processed in real-time and immediately discarded after translation.

🎯 3. How We Use Your Information

  • Account Management: Create and manage your account, authenticate you, display your profile in the Extension popup.
  • Translation Service: Send your selected text to Google Gemini AI for translation and return the translated result to you.
  • Usage Tracking: Enforce the 10 translations/month limit for free users and confirm unlimited access for Pro users.
  • Subscription Management: Verify your Pro plan status and apply upgrades from LemonSqueezy payments.
  • Service Improvement: Anonymized error logs may be reviewed to fix bugs.

🤝 4. Third-Party Services

🔑 5. Chrome Permissions Explained

  • storage: Save login tokens and settings in your browser so you stay signed in.
  • identity: Allow Google Sign-In via Chrome's built-in OAuth2 system.
  • activeTab: Inject the translate button into the active chat tab when needed.
  • contextMenus: Add "Translate with LinguaMini" right-click menu for Select & Translate.
  • Host permissions (all_urls): Required for Select & Translate to work on any website. The Extension only activates when you explicitly click "Translate" — it never passively reads any page content.

📌 The Extension only reads and sends text that you explicitly select or click "Translate" on. It never passively scans, reads, or monitors your screen or conversations.

🗄️ 6. Data Retention

  • Account data (email, name, plan) retained in Firebase as long as your account is active.
  • Monthly translation count resets to zero on the 1st of each month automatically.
  • Local tokens in your browser are cleared immediately when you click "Sign Out."
  • Account deletion requests are processed within 30 days.

⚖️ 7. Your Rights

  • Access: Request a copy of the data we hold about you.
  • Correction: Request correction of inaccurate data.
  • Deletion: Request deletion of your account and all associated data.
  • Portability: Request your data in a machine-readable format.
  • Opt-out: Sign out and uninstall the Extension to stop all data processing immediately.

Contact us at support@aifreepremiumtools.com to exercise any of these rights.

🛡️ 8. Security Measures

  • All communication between the Extension and our backend is encrypted via HTTPS/TLS.
  • Firebase tokens are verified server-side on every request with revocation checking enabled.
  • CORS protection — only our specific Chrome Extension ID can call our API.
  • Rate limiting: 100 requests/15 min globally, 15 translation requests/minute.
  • LemonSqueezy webhook requests verified using HMAC-SHA256 cryptographic signatures.
  • Helmet.js security headers applied on our backend server.

👶 9. Children's Privacy

LinguaMini Pro is not intended for children under 13. We do not knowingly collect data from children under 13. If you believe we have accidentally collected such data, please contact us immediately for deletion.

📝 10. Changes to This Policy

We will update the "Last Updated" date when this policy changes. Significant changes will be announced via the Extension popup or email.

Privacy Concerns?

We take privacy seriously. Contact us for any data-related requests.

📧 Contact Privacy Team

💚 Our Promise: We want you to be completely happy with LinguaMini Pro. If it doesn't work for you within 7 days, we'll give you a full refund — no questions asked.

💰 1. Refund Overview

LinguaMini Pro offers a 7-day money-back guarantee on all paid plans (1 Month, 6 Months, and 1 Year).

✅ 7-Day Money-Back Guarantee — Full refund within 7 days of any purchase. No questions asked.

✅ 2. Eligible for Refund

  • Refund requested within 7 days of the original purchase date.
  • 1 Month Plan — first billing cycle only.
  • 6 Months and 1 Year Plans — within 7 days of purchase.
  • Extension did not function as described due to a bug on our end.
  • Duplicate or accidental charges.

❌ 3. Not Eligible for Refund

  • Requests made after 7 days from the purchase date.
  • Renewal charges for subscriptions after the first billing cycle.
  • Accounts suspended for violating our Terms of Service.
  • Cases where extensive use of the Pro features has occurred within the 7-day window.

⚠️ Important: To avoid unwanted renewals, please cancel your subscription at least 24 hours before your next billing date.

📋 4. How to Request a Refund

  1. Email us at support@aifreepremiumtools.com with subject: "Refund Request — LinguaMini Pro"
  2. Include your purchase email address and order/transaction ID from your LemonSqueezy receipt.
  3. Optionally describe the reason (helps us improve).
  4. We will process your refund within 3–5 business days.

Refunds are issued to the original payment method. Allow 5–10 business days for the amount to appear on your statement.

🔚 5. Cancellation Policy

  • Cancel anytime by emailing support@aifreepremiumtools.com.
  • After cancellation, you retain Pro access until the end of your current billing period.
  • Your account then automatically downgrades to the free Starter plan (10 translations/month).
  • No partial refunds for unused days in the current billing cycle (outside of the 7-day window).

🔧 6. Technical Issues First

If you experience a technical problem, please contact us before requesting a refund. We can often resolve issues quickly. Common issues we fix:

  • Login / Sign-in problems ("OAuth2 not granted" errors).
  • Translation button not appearing on a specific platform.
  • Audio/Voice translation not working.
  • Pro plan not being recognized after payment.

📞 7. Contact

Want a Refund or Need Help?

Contact us and we'll sort it out within 2 business days.

📧 Request Refund