Add multiple timezones to Google Calendar and share available slots in just 3 clicks.
Users
161
−1 in 30 days
Rating
4.3 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#70K
#59K among extensions
Version
1.1.0
updated 11 Aug 2026
Users
monthly, 1 years
Latest, 17 Oct 2026:161 usersMove the mouse over the chart for any month
Ratings count
monthly, 1 years
Latest, 17 Oct 2026:3 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 Overlappr - Timezone Extension for Google Calendar
Timezone extension for Google Calendar 📆
Confused by timezone math? Stop switching tabs or manually converting times, let Overlappr do the hard work for you!
Overlappr is a smart Chrome extension that helps remote teams and distributed professionals find overlapping working hours instantly.
Built for remote workers, freelancers, executive assistances, and global collaborators, Overlappr eliminates the guesswork of scheduling by visually showing common availability based on everyone’s time zone.
🚀 Key Features:
✅ Multi-timezone View
Display multiple timezones on Google Calendar and spot the perfect meeting time in seconds. No more back-and-forth or timezone calculators!
✅ Find & Share Free Slots in Seconds
Quickly locate your availability and Convert it across timezones.
✅ Join Meetings In 1 Click
See your events, meetings, and free slots without opening Google Calendar.
✅ Check Conflicts inside Gmail
Highlight a proposed time in Gmail. It does the time zone math, checks your calendar in real time, shows conflicts and also gives alternate available slots.
✅ Lightweight & Privacy-First
No bloat, no clutter. Just plug and play. Your data stays safe — we only access what’s needed to make scheduling smoother.
🧑💻 Who is it for?
- Remote teams juggling multiple time zones
- Founders and freelancers working with global clients
- Project managers scheduling distributed standups
- Executive assistants managing multiple calendars of CXOs
- Sales teams dealing with global clients
- Anyone tired of saying “Does 10 AM your time work for you?”
💬 Why Overlappr?
Because scheduling across time zones shouldn’t be this hard. Whether you're running a remote team or just trying to book a quick call with a client abroad — Overlappr simplifies it all, directly inside your Chrome browser.
Install Overlappr now, and get 14-day free trial!