Coldbase

About

COLDBASE: NEVER FORGET A COLD EMAIL AGAIN

Coldbase helps you remember every cold email pitch you receive in Gmail — who contacted you, when, and how you responded. Built for founders, CEOs, and investors who get dozens of cold emails daily.

✓ 100% LOCAL — Your data never leaves your device
✓ NO SIGN-UP — Works immediately after install
✓ PRIVACY-FIRST — No external APIs, no tracking, no data collection
✓ FREE FOREVER — Core features always free

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WHAT COLDBASE DOES:

• Automatically detects cold emails in your inbox
• Creates a searchable database of all cold outreach
• Tracks your responses (replied, ignored, interested)
• Smart categorization by sender, date, and action
• Quick access via keyboard shortcut (Ctrl+Shift+B)
• Clean, minimal dashboard interface

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WHY COLDBASE?

If you're a founder or executive, you get cold emails constantly:
- Partnership offers
- Investment pitches  
- Sales outreach
- Collaboration requests

Most get lost in your inbox. Coldbase ensures you never miss an opportunity because you forgot who reached out.

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PRIVACY GUARANTEE:

Unlike other email tools, Coldbase:
• Never sends data to external servers
• Never tracks your behavior
• Never sells or shares your information  
• Processes everything locally in your browser
• Works offline

Your email content stays on YOUR device. Period.

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HOW IT WORKS:

1. Install Coldbase
2. Open Gmail
3. Coldbase automatically detects cold emails
4. View your cold email dashboard anytime with Ctrl+Shift+B
5. Search, filter, and track your responses

No account creation. No configuration. Just install and go.

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FEATURES:

FREE (Forever):
• Unlimited cold email tracking
• Search and filter
• Response tracking  
• Email hashing for privacy
• Dashboard view
• Keyboard shortcuts

PREMIUM (Coming July 2026):
• Advanced analytics
• Bulk actions
• Custom categories
• Export data
• Priority support

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PART OF PROMAIL SUITE:

Coldbase works great alone, but it's even better with:
• Commit — Track email commitments and thread costs
• Surely — Reduce email hesitation

All ProMail tools are privacy-first and work 100% locally.

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TECHNICAL DETAILS:

• Manifest V3 compliant
• No external network requests
• Content Security Policy enforced
• Open to security audits
• Minimal permissions required
• Service worker architecture

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PERMISSIONS EXPLAINED:

• storage: Save tracked emails locally
• tabs: Open dashboard
• notifications: Optional reminders
• alarms: Scheduled tasks
• mail.google.com: Read Gmail content (locally only)

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WHO'S IT FOR?

✓ Founders receiving partnership pitches
✓ CEOs managing investor outreach
✓ VCs tracking startup deal flow
✓ Executives with high cold email volume
✓ Anyone who wants email control

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SUPPORT:

Email: [email protected]
Instagram: @promailhq
X/Twitter: @promailco

Built with ❄️ for professionals who value privacy.