AI Verdict
Confidence: HighMarket is too small and declining, product has no defensible moat, and ethical concerns create significant business risk. Better opportunities exist in adjacent AI content spaces.
Financials
Buildability
GPT Watermark Remover (SOLD!)
Detecte e remova marcas d'água invisíveis de conteúdo gerado por IA. Nossa ferramenta gratuita encontra e elimina caracteres ocultos, como espaços de largura zero, que o ChatGPT e outras ferramentas de escrita por IA inserem em suas saídas. Sem necessidade de registro, nenhum dado armazenado.
Niche AI tool with $100 MRR but declining 62% monthly, recently sold by indie hacker.
None - simple tool with no technical barriers, easily replicable
- Content creators, students, researchers who need to use AI-generated text without detectable watermarks
- Academic institutions, SEO agencies, content farms
- No API access
- No batch processing
- No browser extension
- No enterprise features
- Add plagiarism detection
- Integrate with writing platforms
- Offer API access
- Create browser extension
Low - niche use case with limited sharing incentives
- AI companies may change watermarking techniques
- Legal/ethical concerns about removing watermarks
- Market may shrink as AI detection evolves
- Easy to copy with no moat
$500-$2,000 for MVP
- Text input field
- Watermark detection algorithm
- Clean text output
- Basic UI
Skip: User accounts, Payment processing, Advanced analytics