Use your own API key · Zero markup

Stop paying $15/month to chat with your PDFs.

KeyDrop AI lets you upload any PDF, TXT, or DOCX and have an intelligent conversation with it — using your own OpenAI or Gemini API key. Start free. Own it forever.

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research_paper.pdf — KeyDrop AI
What are the key findings of this paper?
The paper identifies three key findings:

1. Performance gains of 34% over baseline models when using the proposed architecture...
2. Cost reduction of 60% through optimized token usage...
3. The methodology is reproducible across 5 independent datasets.
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Everything you need. Nothing you don't.

We stripped away the bloat. Just pure document intelligence.

Drag & Drop Upload

Upload PDF, TXT, or DOCX files. Parsed entirely in your browser — no file ever touches our servers.

Your Keys, Your Privacy

API keys are stored only in your browser's localStorage. We never see them, never store them.

Privacy Proof
localStorage.setItem('kd_openai_key', key);
// Zero server storage. Zero backend calls.
// Your browser → OpenAI/Gemini directly.

Intelligent Conversations

Ask questions, get summaries, extract insights — powered directly by OpenAI or Google Gemini.

Multiple AI Models

Choose GPT-4o, GPT-4o Mini, Gemini 1.5 Pro, Gemini Flash, and more. Switch anytime.

Zero Monthly Fees

You only pay your AI provider's tiny per-token cost. No platform markup, no hidden charges.

Lifetime Access Coming Soon

One small payment will unlock unlimited messages, all AI models, and every future feature we ship.

Simple, honest pricing

Start free. Upgrade once when you're ready.

Free

$0

No credit card required

  • Create an account
  • Manage your API keys (stored locally)
  • Upload & parse documents
  • 5 chat messages per session
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Coming Soon

Lifetime Access

$?

One-time payment · Pay once, use forever

  • Everything in Free
  • Unlimited chat messages
  • OpenAI GPT-4o + GPT-4o Mini
  • Google Gemini 1.5 Pro + Flash
  • Chat history
  • Priority support
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Why bring your own key?

Real numbers. No marketing math.

Monthly cost

Limits

Traditional apps

ChatPDF, Notion AI, etc.

$15–$20

fixed every month

Strict caps

pages, messages, files

KeyDrop AI

Your key, your cost

~$0.05–$0.20

pay only what you use

No caps

unlimited pages & files

💡

$1.00 of API credits can process hundreds of research papers. Most users spend less than a coffee per month.

What early users are saying

"I was paying $20/month for ChatPDF. KeyDrop gives me the same thing with my own API key. The privacy angle is a huge win."

A

Alex R.

PhD Researcher

"The privacy angle sold me. My API key never leaves my browser. Exactly how it should work."

S

Sarah K.

Startup Founder

"I analyze contracts all day. Having GPT-4o on my own key through KeyDrop has been a game-changer."

M

Marcus T.

Legal Associate

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