SunnyDay AI Email Writer

AI-powered email assistant with one-click replies, 4 tone options, preview and edit features.

As of June 2026, SunnyDay AI Email Writer has 1 users in the Productivity category.

Usersno change0%
1
1
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0.0
Manifest V3

Permissions & access

Permissions
storage
Host access
https://mail.google.com/*, https://outlook.live.com/*, https://outlook.office.com/*, https://outlook.office365.com/*, https://mail.yahoo.com/*, https://mail.zoho.com/*, https://mail.proton.me/*, https://mail.aol.com/*

Screenshots

SunnyDay AI Email Writer screenshot 1SunnyDay AI Email Writer screenshot 2SunnyDay AI Email Writer screenshot 3SunnyDay AI Email Writer screenshot 4SunnyDay AI Email Writer screenshot 5

About

SunnyDay AI Email Writer helps you write perfect email replies in seconds — works with all major email platforms.

📧 SUPPORTED EMAIL PLATFORMS
Optimized for seamless integration with Gmail and Outlook web interfaces. Works with the latest versions of these popular email platforms.

🚀 HOW IT WORKS
1. Open any email and click Reply
2. Click the ✨ AI Reply button in the toolbar
3. Choose your tone: Professional, Friendly, Concise, or Detailed
4. Preview the AI-generated reply
5. Click Insert to add it to your email — done!

✨ KEY FEATURES
• One-Click AI Replies — Generate email responses instantly without leaving your inbox
• Works Everywhere
• 4 Tone Options — Professional, Friendly, Concise, or Detailed for every situation
• Preview & Edit — Review the AI draft before inserting. Edit, regenerate, or copy
• Multi-Model Support 
• Privacy First — Your emails stay in your browser. Only sent to the AI API for processing
• Bring Your Own Key — Use your own API key (OpenAI, DeepSeek, Claude, etc.) for unlimited use
• Pro Plan — Unlimited replies for $8/mo with built-in AI, no API key needed

💰 PRICING
• Free: 5 replies per day, all features included
• Pro ($8/mo): Unlimited replies with built-in AI model

🔒 PRIVACY & SECURITY
• No email data is stored on our servers
• Email content is sent directly to the AI API only when you click "AI Reply"
• Your API key is stored locally in your browser
• We never track, log, or sell your data

🤖 POWERED BY AI
Supports multiple AI models: OpenAI GPT-4o, Claude 3.5 Sonnet, DeepSeek Chat, Google Gemini Pro, and any OpenAI-compatible API.

📧 SUPPORT
Email: [email protected]

Technical

Version
1.0.0
Manifest
V3
Size
59.56KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
abhllpfpkgjmmkpppdkogoellmlnibif
Developer ID
uc2b13db6f69faa32ac88b20249203401
Developer Email
[email protected]
Created
Mar 4, 2026
Last Updated (Store)
Mar 4, 2026
Last Scraped
Jun 6, 2026
Website

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Data sourced from the Chrome Web Store · last verified Jun 6, 2026.