Active & ProfitableAI & Machine Learning Founded 2023

PDF.ai

A $30K acquisition that became a $1.5M ARR business — powered by a $10K domain

pdf.ai

Annual Revenue

~$1.5M

MRR

~$80K-$125K

Team

2-3 people (founder + 1 engineer + 1 social media)

Funding

Bootstrapped

Founder

Damon Chen

Solo Founder

Acquired PDF.ai for $20K (code) + $10K (domain) = $30K total — it now generates ~$1.5M ARR

What PDF.ai Does

PDF.ai lets users chat with any PDF document using AI — ask questions, extract information, summarize content, and get instant answers. Users upload a PDF and have a natural language conversation with it, receiving contextual answers with references back to the source material. The product originated from Damon's observation that many Testimonial.to customers (e-commerce merchants) wanted AI chatbots to help customers understand product manuals in PDF format. Rather than building from scratch, Damon acquired a weekend project called Looseleaf.ai (zero revenue, zero users) for $20K and the premium domain pdf.ai for $10K. The domain strategy proved transformative — 'pdf.ai' is the exact-match keyword domain for the category, and over 50% of organic traffic comes from people simply searching 'PDF AI'. Available as a web app and Chrome extension, with an embeddable chatbot widget for businesses and a commercial API for developers. From a $30K total investment, PDF.ai reached $25K MRR within 4 months and ~$1.5M ARR by late 2024.

Revenue Highlights

  • Acquired for $30K total ($20K code + $10K domain) — now ~$1.5M ARR
  • First paying customer within 24 hours of launch

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