AI EmailSubject
Line Generator 💡
for Gmail & Outlook
Foresty is a 
Chrome extension that helps you generate compelling email subject lines directly inside 
Gmail and 
Outlook. Increase open rates, grab attention, and write better emails in seconds.
(No credit card required)
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Used by professionals at
Write higher-performing subject lines instantly
Boost your email open rates with context-aware, multiple variations generated directly in your compose window.
Generate Subject Lines From Your Email Content
No prompting required. Foresty reads your email draft and instantly suggests relevant subject lines that match your message.
Create Multiple Subject Line Variations
Get several options at once—from professional and direct to friendly and persuasive—so you can choose what works best.
Works Directly Inside Gmail & Outlook
Generate subject lines where you already write emails. No switching tabs, no copy-pasting, and no separate AI tools.
Manual brainstorming vs ChatGPT vs Foresty
Compare different ways to write email subject lines before hitting send.
| Feature | Manually | ChatGPT | Best Choice Foresty |
|---|---|---|---|
| Time required | ❌2–10 mins | ❌1–3 mins | ✅Seconds |
| Generates multiple options | ❌Limited | Yes | ✅Yes |
| Context-aware suggestions | ❌Depends on experience | ❌Requires prompts | ✅Automatic |
| Works inside Gmail & Outlook | ✅Yes | ❌No | ✅Yes |
| Need to switch tabs | ❌No | Yes | ❌No |
| Prompt writing required | ❌No | Yes | ❌No |
| Best subject line suggestions | ❌Depends on skill | ❌Often generic | ✅Optimized for emails |
| Workflow | ❌Think and write yourself | ❌Copy-paste and prompt | ✅One-click generation |
Simple, Flexible & Transparent pricing
Choose the plan that fits your writing volume.
Free
- 500 words per month
- Discord support
- Gmail and Outlook integration
- Drafts new emails with AI
- Voice assistant
- Generate replies
- Improve writing and grammar
- Smart Autocompletion
Basic
- 15,000 words per month
- Discord / Priority support
- Gmail and Outlook integration
- Drafts new emails with AI
- Voice assistant
- Generate replies
- Improve writing and grammar
- Smart Autocompletion
Pro
- 50,000 words per month
- Discord / Priority support
- Gmail and Outlook integration
- Drafts new emails with AI
- Voice assistant
- Generate replies
- Improve writing and grammar
- Smart Autocompletion
Frequently asked questions 🤔
The subject line is always the part that slows me down. I'd write the email in two minutes and spend another five trying to summarize it. Foresty removes that bottleneck completely. I click generate and usually find a subject line I'd happily send immediately.
Ethan Holloway
Revenue Operations LeadOur team sends hundreds of prospecting emails every week. Foresty's subject line suggestions consistently sound more natural and less salesy than what we came up with ourselves. It's become part of our outreach workflow.
Nadia Velasquez
Business Development ManagerMy open rates improved after I started paying more attention to subject lines. Foresty makes that easy by generating several strong options based on the email itself. It's become a no-brainer tool for outreach.
Jordan Castillo
Growth Marketing SpecialistNever Struggle With Subject Lines Again.
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