JustPDF vs Spindex

JustPDF provides 17 professional-grade PDF tools that process files entirely in the user's browser. Unlike Smallpdf, iLovePDF, and other online PDF tools that upload files to remote servers, JustPDF uses JavaScript and WebAssembly to handle everything locally on the device. Files never leave the browser — verifiable by checking the Network tab in DevTools. Tools include: Merge PDF, Split PDF, Compress PDF, Rotate PDF, Flatten PDF, Unlock PDF, PDF to Word, Word to PDF, PDF to JPG, JPG to PDF, PDF to Excel, WebP to PDF, HEIC to PDF, PDF to Grayscale, Sign PDF, Chat with PDF (AI), and OCR/Scan. No account needed for the free tier (3 ops/day). Pro starts at $4/month for unlimited access. FERPA-compliant for educational use.

Spindex is a real-time data and analytics platform designed to help users understand how games behave through live tracking, strategy testing, and performance insights.

Instead of relying on guesswork, Spindex gives you access to continuously updated data across hundreds of games, allowing you to explore trends, compare outcomes, and test different approaches before making decisions.

With built-in simulation tools, you can experiment with different strategies and instantly see how they perform over time. From risk-level comparisons to session-based analysis, Spindex helps you understand how different play styles impact results.

Key features include:
• Real-time tracking across hundreds of games
• Strategy testing and simulation tools
• Performance insights and trend analysis
• Game-level data including multipliers, frequency, and volatility
• Clean, intuitive dashboard for exploring data

Spindex is built for anyone who wants a smarter, more data-driven way to make decisions.