AI Email Reply Drafter

Generate email replies from inbox preview.

ai
PlugThis prompt
Build a Chrome extension called "AI Email Reply Drafter" that adds a "Draft reply" button next to each email in Gmail and Outlook on the web. Clicking sends the email's subject and body to OpenAI GPT-4 with a prompt to generate a concise, professional reply matching the tone of the original. Show the draft in a side panel with edit, copy, and "Insert into compose" actions. Options for tone (friendly, formal, terse) and user-supplied OpenAI key. Permissions: storage, activeTab. Host permissions: https://mail.google.com/*, https://outlook.live.com/*, https://api.openai.com/*. Manifest V3 with content script.

How to build it in 3 minutes

  1. Sign in to PlugThis and open the chat input.
  2. Copy the prompt above and paste it into the chat.
  3. PlugThis generates the full Manifest V3 extension in 60-90 seconds.
  4. Download the zip, extract it, and load it via chrome://extensions developer mode.

Related ideas

Page Summarizer

3-bullet summaries of any article using GPT-4.

Selection Translator

Translate highlighted text on any page.

Tweet Improver

Polish drafts before posting on X.

AI Form Filler

Fill forms intelligently using profile data.

← Back to all 50+ Chrome extension ideas