A solo developer's ChatGPT browser extension at $20,000 to $30,000 MRR
Superpower ChatGPT adds folders, search, and prompt tools on top of ChatGPT.
Subject: Superpower ChatGPT (Saeed Ezzati)

Case Overview & Background
Saeed Ezzati, a software engineer, learned to build browser extensions and launched his first one within two or three days. Superpower ChatGPT adds features such as folders and search to ChatGPT. He told Starter Story it was at about $20,000 to $30,000 MRR and that he is the only person working on it.
How AI Is Used
Step-by-Step Process
Learned extension development and shipped in days.
Kept the extension free to build a user base.
Monetised power users with paid features.
Customer Acquisition & Distribution
Limitations, Risks & Failure Modes
What may not apply to you, and what could go wrong:
- Depends entirely on ChatGPT's interface, which can change or add the same features
- Browser store policies can affect distribution
- Self-reported figures
Key Takeaways
- Products built on top of a popular platform can find users quickly
- Platform dependency is the main risk
- Free-first growth can work when the upgrade path is clear
Sources
Starter Story: How I Built It, $20K/Month Chrome Extension
Note: Video interview and transcript.
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