AI Prompt Improver Browser Extension
Chrome extension that rewrites rough prompts for ChatGPT, Claude, Gemini and Perplexity; first version built over a weekend by 2 people.
In plain English
Pretty Prompt is a browser add-on that improves what you type into ChatGPT, Claude, Gemini or Perplexity. You write a rough request, click once, and it turns it into a clearer, more detailed one. Better requests get better answers from the AI. People pay a subscription for full use.
$300K+ in sales over 60 days (founder-reported, Indie Hackers, Feb 2026)
Operator: Ilai Szpiezak and Charlie Day
A named, real operator ran this and shared results publicly. The figures are their own.
Not disclosed.
The tool stack
Payments
OpenAI API ↗LLM / vision
Chrome Web Store ↗Extension distribution
Prices are the vendors' published list prices as researched in Oct 2026 and change often — always check the vendor's pricing page.
Step-by-step setup
- Pick one annoying job inside a popular site or AI tool.
- Ship a focused browser extension that fixes it.
- Freemium with a paid Pro tier.
- Grow through Chrome Web Store search and reviews.
What's automated vs. the human 10%
The machine does
- Core AI generation/analysis
- Billing and onboarding
You still do
- Product quality and support
- Distribution and marketing
- Compliance and edge cases
Overview
Chrome extension that rewrites rough prompts for ChatGPT, Claude, Gemini and Perplexity; first version built over a weekend by 2 people.
Operator: Ilai Szpiezak and Charlie Day. Website: https://pretty-prompt.com/
Estimated split: about 90% of the work automated, 10% human.
Realistic income
The founders wrote on Indie Hackers: “Over the last 60 days, our Chrome Extension sold over $300k” (Feb 2026). This figure is operator-reported and not independently verified. This is one operator’s result, often after months or years of work, and doesn’t predict yours. Check the live source — numbers change.
Risks
- Host sites can change their pages and break the extension.
- Store policy changes and copycats.
- Startup cost and time to first dollar are not disclosed.
*Income figures are illustrative ranges based on public pricing and typical outcomes reported by practitioners, not guarantees. Most new online businesses earn little or nothing at first. Not financial, legal or tax advice.
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