YouTube Polyglot

Chrome Extension
FeaturesSearchTranscribeAI Tools
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Terms & Conditions

Last updated: August 4, 2025

Welcome to YouTube Polyglot. These Terms and Conditions govern your use of our Chrome extension for video search, transcription, and AI-powered analysis. By using our service, you agree to these terms.

Acceptance of Terms

By installing, accessing, or using YouTube Polyglot Chrome extension, you agree to be bound by these Terms and Conditions and our Privacy Policy. If you do not agree to these terms, do not use our service.

Updates to Terms

We reserve the right to modify these terms at any time. We will notify users of significant changes via email or through the extension. Your continued use after changes constitutes acceptance of the updated terms.

Description of Service

YouTube Polyglot is a Chrome extension that provides:

  • Video Search: Live search functionality within YouTube videos with context preview
  • Transcription Services: Real-time transcript generation in multiple languages including English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, Arabic, Hindi, Dutch, Swedish, Danish, Norwegian, Finnish, Polish, Turkish, Yoruba, Igbo, Hausa, and Pidgin
  • AI Analysis: AI-powered content analysis including newsletter generation, article creation, summaries, key point extraction, and Q&A generation
  • History Tracking: Bookmark and categorize your video searches and transcriptions by channel
  • Auto-Float Window: Floating window functionality for seamless video interaction
  • Live Transcript: Real-time transcript display with auto-scroll and language selection features

Account Registration & Eligibility

Eligibility

  • You must be at least 18 years old to use our service
  • You must provide accurate and complete information during registration
  • You must have the legal capacity to enter into these terms
  • You may not use our service if you are barred from receiving services under applicable law

Account Security

  • You are responsible for maintaining the confidentiality of your account credentials
  • You must notify us immediately of any unauthorized use of your account
  • We are not liable for losses resulting from unauthorized use of your account
  • Your authentication data is securely protected during transmission and storage

Subscription Plans & Billing

Plan Types

  • Free Tier: Limited features including basic search, limited transcriptions, and standard AI queries
  • Premium: Unlimited transcriptions, advanced AI features, priority processing, and enhanced search capabilities

Premium Features

  • Unlimited video transcriptions in all supported languages
  • Advanced AI content analysis and generation
  • Priority processing for transcription requests
  • Enhanced search capabilities with extended history
  • Auto-float window functionality
  • Bulk transcript downloads

Billing Terms

  • Premium subscriptions are billed monthly or annually
  • Payment is due immediately upon subscription activation
  • All fees are non-refundable except as required by law
  • We may change pricing with 30 days' notice to existing subscribers
  • Failed payments may result in service downgrade to free tier

Acceptable Use Policy

Permitted Uses

You may use YouTube Polyglot to:

  • Search and analyze YouTube videos for educational or research purposes
  • Generate transcripts for accessibility or content analysis
  • Create summaries, articles, and educational content from video transcripts
  • Organize and bookmark video content for personal reference
  • Use AI features to enhance understanding of video content

Prohibited Uses

You may not use YouTube Polyglot to:

  • Violate YouTube's Terms of Service or any applicable laws
  • Infringe on copyright or intellectual property rights
  • Create unauthorized copies or derivatives of copyrighted content
  • Use transcripts for commercial redistribution without proper authorization
  • Attempt to reverse engineer, decompile, or hack our service
  • Share your account credentials with others
  • Use automated tools to abuse our service or circumvent usage limits
  • Generate misleading or false content based on video transcripts

Content & Intellectual Property

Your Content & Data

  • You retain ownership of your search queries, bookmarks, and personal preferences
  • We process video transcripts solely to provide our services to you
  • You are responsible for ensuring your use of transcribed content complies with copyright law
  • Your search history and bookmarks are stored securely and remain private

Third-Party Content

  • YouTube videos and their content remain the property of their respective creators
  • Transcripts generated from videos are provided for personal use and analysis
  • You must respect the original creators' rights when using transcribed content
  • We do not claim ownership of any video content processed through our service

Our Intellectual Property

  • YouTube Polyglot technology, algorithms, and branding are our intellectual property
  • You may not copy, modify, or distribute our software or proprietary technology
  • AI-generated summaries and analyses are provided "as-is" for your personal use

AI-Generated Content & Transcription Accuracy

Transcription Services

  • Our transcription technology processes audio from YouTube videos in real-time
  • Transcription accuracy may vary based on audio quality, accents, and language complexity
  • We support multiple languages but accuracy may differ between languages
  • You should review transcripts for accuracy before relying on them for important purposes

AI Content Generation

  • Our AI analyzes video transcripts to generate summaries, articles, and insights
  • AI-generated content is provided as suggestions and should be reviewed for accuracy
  • We do not guarantee the accuracy, completeness, or quality of AI-generated content
  • You are responsible for verifying and editing AI-generated content before use

Language Support

  • We provide transcription services in 23+ languages including major global languages
  • Accuracy may vary between languages based on training data availability

Privacy & Data Security

Your privacy is important to us. Our collection and use of your information is governed by our Privacy Policy, which is incorporated into these terms by reference.

Data Processing

  • We process video audio temporarily to generate transcripts
  • Search queries and preferences are stored to improve your experience
  • We do not store or retain video content beyond the processing period
  • Your personal data is encrypted during transmission and storage

Third-Party Services

  • Our service integrates with YouTube but operates independently
  • We comply with YouTube's API Terms of Service
  • Your YouTube viewing data is not collected or stored by our service

Service Availability & Support

Service Availability

  • We strive for high uptime but do not guarantee uninterrupted service availability
  • YouTube API changes may temporarily affect our service functionality
  • We may perform maintenance that temporarily affects service availability
  • Premium users receive priority during high-traffic periods

Customer Support

  • Free users receive community support through our help documentation
  • Premium subscribers receive priority email support
  • We aim to respond to support requests within 48 hours
  • Support is provided in English, with multilingual assistance available

Disclaimers & Limitations

Service Disclaimers

  • Our service is provided "as-is" without warranties of any kind
  • We do not guarantee perfect transcription accuracy or AI analysis quality
  • We are not responsible for the content of YouTube videos processed
  • Third-party platform changes may affect our service functionality
  • We are not liable for copyright issues arising from your use of transcribed content

Limitation of Liability

To the maximum extent permitted by law:

  • We are not liable for indirect, incidental, or consequential damages
  • Our total liability is limited to the amount you paid in the last 12 months
  • We are not liable for damages caused by your misuse of transcribed content
  • We are not responsible for YouTube platform changes or restrictions

Termination

Termination by You

  • You may terminate your account at any time through the extension settings
  • You may request deletion of your data as outlined in our Privacy Policy
  • Uninstalling the extension will stop data collection but may not delete stored data

Termination by Us

We may terminate or suspend your account if you:

  • Violate these terms or our acceptable use policy
  • Engage in activities that harm our service or other users
  • Fail to pay premium subscription fees
  • Use our service for illegal or harmful purposes

Governing Law & Disputes

Governing Law

These terms are governed by the laws of the State of California, United States, without regard to conflict of law principles.

Dispute Resolution

  • We encourage resolving disputes through direct communication first
  • Any legal disputes will be resolved in the courts of San Francisco, California
  • You consent to the jurisdiction of California state and federal courts
  • Class action lawsuits are waived to the extent permitted by law

Chrome Extension Specific Terms

Browser Integration

  • Our extension requires specific browser permissions to function properly
  • We only access YouTube pages and related content as necessary for our service
  • Extension updates may require reauthorization of permissions
  • We comply with Chrome Web Store developer policies

Data Storage

  • Some data is stored locally in your browser for performance
  • Account data and preferences are synchronized across your devices
  • Local storage can be cleared through browser settings

Contact Information

If you have questions about this Privacy Policy or want to exercise your privacy rights, contact us:

Support: support@legostack.com

Response Time: We aim to respond to privacy requests within 30 days

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