What does ChatGPT Timestamp do?

ChatGPT Timestamp focuses on finding when individual messages were sent in ChatGPT conversations. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use ChatGPT Timestamp?

ChatGPT Timestamp is an open-source project built for chatGPT users who need timestamped conversation history.

Is ChatGPT Timestamp free?

Yes — ChatGPT Timestamp is open source under the Open Source license and free to use.

What platforms does ChatGPT Timestamp run on?

ChatGPT Timestamp runs on the web and embeddable surfaces.

Is ChatGPT Timestamp still active?

Unverified. ChatGPT Timestamp 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.

What projects are similar to ChatGPT Timestamp?

Similar projects tracked by PulseGate include ChatGPT Pro Tools, ChatGPTBox, and ChatGPT.

Who develops ChatGPT Timestamp?

ChatGPT Timestamp is developed by Hangzhi.

How long has ChatGPT Timestamp been around?

ChatGPT Timestamp first shipped in 2025.

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ChatGPT Timestamp

Name: ChatGPT Timestamp
Author: Hangzhi

github.comBrowser DevTools & extensions

ChatGPT Timestamp is an open-source browser extension that displays timestamps for messages in ChatGPT conversations. It is intended for users who need to track message timing or review conversation history chronologically.

Open SourceWebEmbeddable

Visit github.com

Overview

4 features

ChatGPT Timestamp sits in PulseGate's Browser DevTools & extensions category. It focuses on finding when individual messages were sent in ChatGPT conversations. It is built as an open-source project for chatGPT users who need timestamped conversation history. The project is open source (Open Source). It ships for the web and embeddable surfaces.

It is developed by Hangzhi, and it first shipped in 2025. Among its 4 catalogued features are message timestamps, conversation history, and chrome support.

Summary written by a language model from the project’s public pages.

Message timestamps
Conversation history
Chrome support
Firefox support

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 07:23 UTC
ChatGPT Timestamp verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about ChatGPT Timestamp

What does ChatGPT Timestamp do?: ChatGPT Timestamp focuses on finding when individual messages were sent in ChatGPT conversations. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use ChatGPT Timestamp?: ChatGPT Timestamp is an open-source project built for chatGPT users who need timestamped conversation history.
Is ChatGPT Timestamp free?: Yes — ChatGPT Timestamp is open source under the Open Source license and free to use.
What platforms does ChatGPT Timestamp run on?: ChatGPT Timestamp runs on the web and embeddable surfaces.
Is ChatGPT Timestamp still active?: Unverified. ChatGPT Timestamp 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.
What projects are similar to ChatGPT Timestamp?: Similar projects tracked by PulseGate include ChatGPT Pro Tools, ChatGPTBox, and ChatGPT.ChatGPT Pro Tools ChatGPTBox ChatGPT
Who develops ChatGPT Timestamp?: ChatGPT Timestamp is developed by Hangzhi.
How long has ChatGPT Timestamp been around?: ChatGPT Timestamp first shipped in 2025.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
Built for: ChatGPT users who need timestamped conversation history
Model: Open source
Solves: Finding when individual messages were sent in ChatGPT conversations.

Registered as

Firefox Add-ons: chatgpt-timestamp

Developer

Hangzhi

Index record

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

Identity audit (13)

Slug: chatgpt-timestamp-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: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 9 Sept 2026
Canonical URL: https://github.com/Hangzhi/chatgpt-timestamp-extension

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