Display creation timestamps for each ChatGPT message with local/UTC time support and hover details.
Users
34
+7 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#126K
#105K among extensions
Version
1.3.0
updated 25 Sep 2025
Users
monthly, 13 months
Latest, 20 Oct 2026:34 usersMove the mouse over the chart for any month
Ratings count
monthly, 13 months
Latest, 20 Oct 2026:0 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 ChatGPT Message Timestamps
Transform your ChatGPT experience with precise message timestamps! This lightweight extension displays the exact creation time for every message in your ChatGPT conversations.
✨ Key Features
• Precise Timestamps: See when each message was created
• Local Time Format: Displays time in your local timezone with locale-specific formatting
• UTC Details: Hover over timestamps to see precise UTC time
• Non-Intrusive Design: Clean, minimal interface that doesn't interfere with ChatGPT
• Debug Mode: Built-in troubleshooting tools for developers
• Easy Settings: Convenient popup interface for configuration
🎯 Perfect For
- Conversation Tracking: Keep track of when important discussions happened
- Time-Sensitive Work: Know exactly when ideas or decisions were made
- Documentation: Create accurate records of AI interactions
- Productivity: Better organize your ChatGPT workflow
- Research: Maintain chronological context in long conversations
🛠️ How It Works
1. Install the extension
2. Visit ChatGPT (chatgpt.com or chat.openai.com)
3. Timestamps automatically appear for all messages
4. Hover over timestamps for detailed UTC time
5. Click the extension icon for settings and debug options
🔒 Privacy & Security
- No Data Collection: Your conversations stay private
- Local Processing: All timestamp processing happens on your device
- Minimal Permissions: Only accesses ChatGPT pages
- Open Source: Transparent development on GitHub
Made with ❤️ by destinydesigner
Source Code: https://github.com/destinydesigner/ChatGPT-Message-Timestamps
Developer: https://www.fangguojian.com