PDF to JSON Data Converter
Convert any PDF, Question Paper, or Table into clean, structured JSON instantly in your browser. 100% Private - files never leave your device.
📄 1. Upload & Settings
In-Browser Engine
Click to Browse or Drag & Drop PDF
Supports PDF files up to 50MB (Processed 100% Locally)
Extraction Engine
Choose between standard parser or smart AI OCR
🔑 Gemini API Key (Bring Your Own Key)
Free Tier Supported
Your key stays in your browser's localStorage. It connects directly to Google AI with zero server involvement.
📊 2. Generated JSON Output
How Does This Free In-Browser PDF to JSON Converter Work?
Traditional online converters upload your sensitive PDFs to external cloud servers where they can be cached or inspected. FrankBase PDF to JSON Converter is architected with modern WebAssembly and PDF.js to execute the entire extraction pipeline directly within your browser sandbox.
Key Features:
- Zero Server Load & Instant Speed: The document is parsed inside your browser RAM.
- AI Smart Question Bank Extractor: When dealing with complex competitive exams (BPSC, UPSC, SSC, CBSE), switch to AI Smart Mode with your free Gemini API key to extract structured MCQs with Options A, B, C, D and explanations.
- Ready for Developers: Download pristine, schema-validated
.jsonready to import into MongoDB, Firebase, PostgreSQL, or web quiz engines.
Need to extract clean plain text or scanned OCR instead?
Try our companion lightweight plain-text extractor.
Open PDF to Text Studio ↗