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Spoof Timezone icon

Spoof Timezone

Change the time zone setting for web pages in the browser to a randomly selected or user-specified time zone.

Users50KCurrent public install base
Rating3.7Store average score
Reviews46Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

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2 assets
Trend

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User Growth Over Time

50K50K50K50K50K2026年7月14日2026年7月17日2026年7月20日Latest: 50K
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7-day rating change

Start
3.70
Latest
3.70
7-day rating change
0.00
3.603.653.703.753.802026年7月14日2026年7月17日2026年7月20日Latest: 3.70
2026年7月14日2026年7月20日
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Technical snapshot

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Version0.4.9
ManifestV3
Size176KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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The extension alters the timezone information that the browser reveals to web pages to protect your actual timezone from being identified. You can ensure the extension spoofs the correct timezone by setting your preferred one on the options page. Additionally, there is an option to generate random timezones, which can be useful in preventing fingerprinting scripts from identifying your browser based on your actual time zone.

To test the current timezone use the right-click context menu item.

The extension can also automatically detect your timezone based on your IP address starting from version 0.1.4. Use the right-click action button's menu to access this option.

Moreover, there is an option to check and update the timezone on start-up, which can be enabled from the options page.

The latest version of the extension includes improvements such as faster injection into iframes and automatic timezone detection that now respects daylight shifting. This extension now works on manifest v3.

Reviews

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Store average score3.7Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.7Average computed only from synced review bodies below
Reviews with text38Synced review bodies
Total ratings / reviews46Chrome Web Store public rating/review count

Store average score: 3.7. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
16
4
7
3
7
2
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1
6
Istiak Mahmud2022年5月4日
5

interface a bit confusing. But works great!

Language en
1 helpful · 1 not helpful
Khoa Pham2022年3月15日
5

Very helpful. Thank you =))

Language en
1 helpful · 1 not helpful
Agus Ariyanto2022年3月3日
4

It's good but doesn't work at web.whatsapp.com

Language en
andrew serebrov2020年12月22日
5

It seems this plugin works as intended

Language en
1 helpful · 1 not helpful
Heavy NewMan2020年10月17日
5

It works. And it would be better for the time zone to change automatically when changing ip.

Language en
1 helpful · 1 not helpful
Brian Davies2020年4月14日
3

It works for me but I noticed that on some airline websites and my cycling records website it messes with the calendar date popups used to choose input date date required. That could be very awkward. It would be nice to to able to activate/deactivate on the toolbar icon. It also needs to be able to be switched on/off at the toolbar.

Language en
1 helpful · 0 not helpful
Jose Jeffrey Mazaredo (Jmaz)2019年8月26日
3

There is a bug. When you have enabled this and checkj on an application that uses calendar, the calendar gets bugged on a different date, Example set to california all is good then when you open a calendar app somewhat it moved a date before the real date. Calenda dates should be checked. Using ubuntu and calendar app is inhouse (might be built with vb/dotnet)

Language en
2 helpful · 0 not helpful
Andrew Gremlich2018年10月24日
3

It works, but most likely not in the way that most people want it to work. I went here to see if I could actually mimic my computer location to be in another timezone. However, when I dug into the code, all that I believe that it is doing is showing the offset time. So whatever time that is inputted could error to the developers dismay due to the international date line. The time shown is just the offset time! The alternative method that does work, is just forcing your computer's timezone setting to be a different timezone.

Language en
9 helpful · 1 not helpful
Anonymous user2018年10月18日
2

Sometimes can not update time zone. An error has been occurred. Error : Unexpected token < in JSON at position 0

Language en
0 helpful · 1 not helpful
Qais AlBsharat2018年9月29日
5

Great tool, But the only thing if you can add the button change timezone based on IP on the options page. Not clicking on the toolbar. Thanks for it!

Language en
4 helpful · 1 not helpful