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Timezone Spoofer

Timezone Spoofer

Spoof browser timezone easily

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🔧 Utilities
🛠️ Developer Tools
Free
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Details

  • Released
  • Updated
  • March 18, 2026
  • September 10, 2026

Features

Developer

Zero Day Labs FZE
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Timezone Spoofer screenshot #1 for iPhone
Timezone Spoofer screenshot #2 for iPhone
Timezone Spoofer screenshot #3 for iPhone
Timezone Spoofer screenshot #4 for iPhone
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About

Easily change your browser's timezone to any location worldwide. Ideal for developers and testers needing to simulate different time zones for web development and QA.

✓Spoof browser timezone globally
✓400+ IANA timezones
✓Instant timezone search
✓Site exclusion list
✓IP auto-detect
✓Light/Dark theme support
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What's New in Timezone Spoofer

1.3.0

September 10, 2026

• New look: the popup was rebuilt on the Zero Day Labs design system — amber accent on dark glass cards, Inter and JetBrains Mono, inline icons instead of emoji. Both light and dark themes • Faster: the popup is interactive in under 0.1 s and opens in a single frame — no resize, no theme flash, no font swap • Main tab: one hero card with the spoofing toggle, current zone and live offset, auto-detect and current-site rows; recent zones as tiles; search with city aliases and match hints; keyboard navigation in the zone list (⌘F, arrows, Enter, Esc) • Settings: segmented theme and language controls, re-check interval chips, geolocation API field, excluded sites • Zero Day Labs footer with a short line about our other products • New icon: amber globe with clock hands

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FAQ

What is Timezone Spoofer?

Timezone Spoofer is a browser extension that allows you to easily change your browser's timezone to any location worldwide. It's designed for developers and testers who need to simulate different time zones for web development and quality assurance.

How does Timezone Spoofer work?

Once installed, you click the extension icon, enable spoofing, and search for your desired timezone. The extension then overrides JavaScript's Date and Intl.DateTimeFormat APIs to reflect the selected timezone on the current page.

Does Timezone Spoofer collect any user data?

No, Timezone Spoofer prioritizes user privacy. It does not collect or track any data, and all settings are stored locally within your browser. Optional IP detection is off by default and uses a configurable public API.

What timezones can I spoof with Timezone Spoofer?

Timezone Spoofer includes a comprehensive database of over 400 IANA timezones, covering every region globally. You can easily find them by city, country, region, or UTC offset.

Can I disable Timezone Spoofer on specific websites?

Yes, Timezone Spoofer features a Site Exclusion List that allows you to disable timezone spoofing on specific domains. This ensures that spoofing only occurs on the sites where you intend it to.

What devices does Timezone Spoofer support?

Timezone Spoofer is available for Mac, iPhone, and iPad. It functions as a browser extension, meaning its compatibility depends on the browser you use on these devices.

How often is Timezone Spoofer updated?

The latest version of Timezone Spoofer is 1.2.10, and it was last updated on August 13, 2026. Updates typically include new features, bug fixes, and improvements to the timezone database.

Is Timezone Spoofer free to use?

Yes, Timezone Spoofer is completely free to use. There are no in-app purchases or subscription fees required to access its full functionality.