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Description
Automatically prepend timestamps to ChatGPT prompts with timezone and per-prompt controls. ChatGPT Prompt Timestamp automatically prepends a local timestamp to your ChatGPT prompts before they are sent. Unlike extensions that only display timestamps in the chat UI, this extension inserts the timestamp directly into your prompt text, making the time context visible to ChatGPT and preserved in the conversation. Features: • Automatically prepend timestamps to prompts • Global enable/disable switch • Per-prompt ON/OFF toggle • Auto browser timezone detection • Friendly timezone selection • Works with text, images, and file-only messages • Prevents duplicate timestamps • Local-only and privacy-friendly • No tracking, analytics, ads, or network requests Example: [Timestamp: 2026-05-13 20:00:01 America/Toronto] Your prompt here... This is useful for: • Keeping accurate timelines in long conversations • Making “today,” “yesterday,” and “last time” clearer • Research and debugging logs • Work notes and meeting-style records • Conversations involving travel, scheduling, or time-sensitive context Privacy: This extension runs locally in your browser. It does not send data anywhere, makes no network requests, and only stores your timestamp settings locally.