Who is Time Travel for?

Time Travel is an open-source project built for web developers and testers.

Yes — Time Travel is open source under the Open Source license and free to use.

What platforms does Time Travel run on?

Time Travel runs on the web and embeddable surfaces.

Is Time Travel still maintained?

Unverified. Time Travel has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Who makes Time Travel?

Time Travel is developed by cpulvermacher.

How long has Time Travel been around?

Time Travel first shipped in 2023.

Is Time Travel open source?

Yes — Time Travel is open source under the Open Source license.

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Time Travel

Name: Time Travel
Author: cpulvermacher

github.comBrowser DevTools & extensions

Time Travel is an open-source browser extension that changes the date, time, and time zone reported to websites. It is intended for developers and testers who need to simulate different temporal environments in Chrome or Firefox.

Open SourceWebEmbeddable

Visit github.com

Overview

5 features

In the Browser DevTools & extensions space, Time Travel takes a focused approach. It focuses on testing and browsing websites that depend on the current date, time, or time zone without changing the device clock. It is built as an open-source project for web developers and testers. The project is open source (Open Source). Time Travel is available on the web and embeddable surfaces.

It is developed by cpulvermacher, and it first shipped in 2023. Key capabilities include date spoofing, time spoofing, and time zone spoofing.

Date spoofing
Time spoofing
Time zone spoofing
Chrome support
Firefox support

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 01:25 UTC
Time Travel verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Time Travel

What does Time Travel do?: Time Travel focuses on testing and browsing websites that depend on the current date, time, or time zone without changing the device clock. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Time Travel for?: Time Travel is an open-source project built for web developers and testers.
Is Time Travel free?: Yes — Time Travel is open source under the Open Source license and free to use.
What platforms does Time Travel run on?: Time Travel runs on the web and embeddable surfaces.
Is Time Travel still maintained?: Unverified. Time Travel has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who makes Time Travel?: Time Travel is developed by cpulvermacher.
How long has Time Travel been around?: Time Travel first shipped in 2023.
Is Time Travel open source?: Yes — Time Travel is open source under the Open Source license.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: web developers and testers
Model: Open source
Solves: Testing and browsing websites that depend on the current date, time, or time zone without changing the device clock.

Registered as

Chrome Web Store: jfdbpgcmmenmelcghpbbkldkcfiejcjg
Firefox Add-ons: timetravel

Developer

cpulvermacher

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: time-travel-github-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://github.com/cpulvermacher/time-travel

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