Timezone Spoofer

About

🌍 Timezone Spoofer - Professional Timezone Testing Tool

Spoof your browser's timezone to any location worldwide with this powerful Chrome extension. Perfect for developers, QA testers, and anyone who needs to simulate different time zones.

✨ KEY FEATURES:
• 400+ IANA Timezones - Complete timezone database covering every region
• Instant Search - Find any timezone by city, country, region, or UTC offset
• Easy Toggle - Quickly enable/disable spoofing with one click
• Site Exclusion List - Disable spoofing for specific domains
• Auto-Apply - Changes reload the page automatically
• Real-time Preview - See current time in selected timezone
• UTC Offset Display - Each timezone shows its current offset
• IP Auto-detect - Automatically detect timezone from your IP address
• Multilingual UI - English and Russian interface
• Dark Mode - Follows your system theme
• Keyboard Navigation - Navigate timezones with arrow keys
• Beautiful UI - Modern tabbed interface with toast notifications
• Comprehensive Override - Spoofs all JavaScript timezone APIs including iframes

🎯 PERFECT FOR:
✓ Web developers testing timezone-dependent features
✓ QA professionals validating international applications
✓ Checking how websites appear in different time zones
✓ Testing date/time displays and calendars
✓ Simulating international user experiences

🔧 HOW IT WORKS:
1. Click the extension icon
2. Enable timezone spoofing with the toggle
3. Search for your desired timezone (e.g., "tokyo", "paris", "utc+5")
4. Select from filtered results — the page reloads automatically

The extension safely overrides JavaScript's Date and Intl.DateTimeFormat APIs to return values based on your selected timezone. All data stays local - no tracking, no data collection.

🔒 PRIVACY:
• No data collection or tracking
• No external servers
• Open source code
• Works completely offline after installation

💡 USE CASES:
• Test how your web app handles different timezones
• Debug timezone-related bugs
• Validate international product launches
• Check timezone-specific content
• Simulate user experiences across the globe

⚡ TECHNICAL DETAILS:
Overrides: Date.prototype.getTimezoneOffset(), Date.prototype.toString(), Intl.DateTimeFormat (constructor, format, formatToParts, resolvedOptions), and more. Runs in MAIN world for earliest possible injection. CSP-compatible. Works on all websites including iframes without sending any data externally.

Start testing with confidence - download Timezone Spoofer today! 🚀