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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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UPDF AI
✓ verifiedPaid

AI-enhanced PDF editor with desktop, mobile, and web apps for editing, converting, annotating, and chatting with documents.

1.1M visits/mo2.0K saves

Thin 'Lingbot-map' agent listing on github.com with zero traffic; too thin to tell.

5.2K saves
Pricing

No public pricing

Free trial available

No public pricing

Unlocker API: Starts from $1.05/1k req
Crawl API: Starts from $1.05/1k req
SERP API: Starts from $1.05/1k req
Browser API: Starts from $5.88/GB
Scrapers: Starts from $300/mo
Datasets: Starts from $250/mo
Functions: Starts from $2.7/1k req
RetailInsights: Starts from $1,000/mo
Residential Proxies: Starts from $3.53/GB
Datacenter Proxies: Starts from $0.9/IP
ISP Proxies: Starts from $1.3/IP
Mobile Proxies: Starts from $5.88/GB
Custom Scraper: Starts from $300/mo
Core features
  • Core PDF editing: text, images, links, forms, and pages
  • Conversion between PDF and Word, Excel, image, and other formats
  • AI chat with PDFs and images for Q&A and analysis
  • AI summarization, translation, and mind-map generation
  • 10+ specialized AI agents for research, contracts, and finance tasks
  • eSignature and PDF security/redaction tools
  • Cross-device sync across Windows, Mac, iOS, Android, and web
  • Fast tensor operations
  • Differentiable tensors for gradient-based optimization
  • Network connectivity
  • Integration with Bun and Flashlight
  • Support for GPU computation with CUDA (Linux) and CPU computation (macOS)
  • Multi-engine support (Google, Duckduckgo, Bing, Yandex, Baidu)
  • Real-time structured SERP data
  • Pay-per-successful-request pricing
  • Full JavaScript support
  • Precise geo-location targeting
  • Structured data delivery in JSON or HTML
Use cases
  • Professionals summarizing and querying long PDF reports
  • Students using AI homework and quiz tools on study documents
  • Legal and finance teams reviewing contracts and financial statements with AI agents
  • Teams needing enterprise-wide PDF editing with license management
  • Creating and manipulating datasets
  • Training small machine learning models
  • Implementing advanced training and inference logic
  • Building applications that require tensor computations
  • Organic keyword tracking
  • Brand protection
  • Price comparison
  • Market research
  • Detect copyright infringements
  • Ad intelligence
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