Grammarly-style time zone converter for Gmail and Outlook Web compose boxes
Users
17
+3 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#165K
#138K among extensions
Version
1.0.2
updated 24 Nov 2025
Users
monthly, 14 months
Latest, 21 Oct 2026:17 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 21 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About TimeZone Converter
TimeZone Converter - Chrome Extension Description
Time zone converter for Gmail & Outlook. Automatically highlights times and shows instant global conversions.
Transform how you schedule across time zones with TimeZone Converter - the smart, Chrome style extension that makes global scheduling effortless.
Smart Time Detection
- Automatically highlights times as you type (3:30 PM, 15:30, 9am, etc.)
- Works seamlessly in Gmail and Outlook web compose windows
- Non-intrusive dotted underlines that don't disrupt your writing flow
Instant Global Conversions
- Click any highlighted time to see conversions across 10 major time zones
- Covers US zones (ET, CT, MT, PT), international hubs (London, Berlin, Mumbai, Singapore, Sydney), and UTC
-Beautiful, modern popup with easy-to-read timezone cards
Intelligent Auto-Insert
- Optionally auto-insert conversions directly into your email
- Formats as: "Meeting at 3:30 PM (9:30 PM London, 6:30 AM Sydney, 8:30 PM Berlin)"
- Saves time and prevents scheduling confusion
Fully Customizable
- Choose your local timezone for accurate interpretation
- Select which timezones to display in conversions
- Toggle between 12-hour and 24-hour formats
- Choose city names or timezone abbreviations
- Enable/disable auto-insertion with customizable delay
Perfect For
- Remote teams coordinating across continents
- International businesses scheduling client calls
- Freelancers working with global clients
- Event organizers planning virtual conferences
- Anyone tired of timezone math mistakes
How It Works
- Type naturally - Write times like you normally would in Gmail or Outlook
- See highlights - Times are automatically detected and underlined
- Click to convert - Instant popup shows all relevant timezone conversions
- Insert or copy - Add conversions to your email or copy to clipboard
- Send confidently - No more "what time is that for you?" confusion
Privacy & Security
- No data collection - All processing happens locally on your device
- Secure storage - Settings saved only to your Chrome sync account
- Minimal permissions - Only accesses Gmail and Outlook compose areas
- Open source ready - Clean, auditable code
Smart Design
- Context-aware - Only activates in email compose windows
- Performance optimized - Lightweight with intelligent debouncing
- Platform adaptive - Seamlessly works with Gmail and Outlook's interfaces
- Accessibility focused - Clear visual indicators and keyboard navigation
Supported Platforms
- Gmail (mail.google.com)
- Outlook Web (outlook.live.com, outlook.office.com, outlook.office365.com)
- All major Outlook business domains
Modern Interface
- Clean, card-based timezone display
- Smooth animations and hover effects
- Dark mode support
- Mobile-responsive design
- Intuitive one-click actions
Stop doing timezone math in your head. Start scheduling with confidence.
Download TimeZone Converter today and make global communication effortless.