DocPilot

VSCode extension for PDF viewing, Reveal.js slide presentations, AI-powered document analysis, and productivity tools.

Features

Reveal.js Slide Presentations

Transform markdown files into professional presentations with one click.

• Slide separators: --- (horizontal), ---- (vertical)
• Rich plugins: Markdown, syntax highlighting, speaker notes, Mermaid diagrams, math (KaTeX)
• 11 themes: black, white, league, beige, sky, night, serif, simple, solarized, blood, moon
• 6 transitions: none, fade, slide, convex, concave, zoom
• VSCode theme integration: Auto dark/light mode mapping
• Customizable: controls, progress bar, slide numbers

PDF Viewer

• Auto-activation when opening .pdf files
• Local & remote PDFs (filesystem or URLs)
• Navigation & zoom with fit-to-width/page
• Text search (Ctrl/Cmd+F)
• Screenshot tool with drag-to-select
• Object inspector (images, tables, fonts, annotations, metadata)
• Theme integration (dark/light modes)

AI Document Analysis

Requires GitHub Copilot subscription.

• Summarization with smart caching
• Mindmap generation (Mermaid format)
• Semantic chunking for large documents
• Multi-model support (GPT-4, Gemini, etc.)
• Cache management (stats, export, clear)

Quick Prompts

• Customizable text processing with AI
• Context menu integration (right-click selected text)
• Template system ({selectedText} placeholder)
• Direct Copilot integration
• Built-in defaults (Explain Code, Find Issues)

Markdown Enhancement

• Auto Mermaid rendering in preview and Reveal.js slides
• All diagram types (flowcharts, sequence, class, state, ER, gantt, mindmap, etc.)
• Theme-aware visualization
• Math equations (KaTeX in slides)
• Zero configuration

Installation

Marketplace:

• VSCode Marketplace
• Open VSX

Development:

git clone https://github.com/DTeam-Top/vscode-docpilot
cd vscode-docpilot
npm install && npm run compile
# Press F5 to launch Extension Development Host

Quick Start

Reveal.js Slides

Right-click .md file → "View as Reveal.js Slides"

Markdown format:

# Title Slide

---

## Slide 1
Content here

---

## Slide 2

----

### Vertical Slide 2.1

PDFs

• Automatic: File → Open → select .pdf
• Command: Ctrl/Cmd+Shift+P → "DocPilot: Open Local PDF"
• Context menu: Right-click .pdf → "Open Local PDF"

AI Commands

Open Copilot Chat (Ctrl/Cmd+Alt+I):

@docpilot /summarise path/to/file.pdf
@docpilot /summarise https://example.com/doc.pdf
@docpilot /summarise                    # Shows file picker

@docpilot /mindmap path/to/file.pdf     # Generate Mermaid mindmap
@docpilot /cache-stats                  # View cache info
@docpilot /clear-cache                  # Clear all caches
@docpilot /cache-export                 # Export to markdown

Quick Prompts

1. Select text
2. Right-click → DocPilot → Quick Prompts
3. Choose prompt

Custom prompts:

{
  "docpilot.quickPrompts": [
    {
      "name": "Explain Code",
      "prompt": "Explain this code:\n\n{selectedText}"
    }
  ]
}

Keyboard Shortcuts

Reveal.js:

• Arrow Keys / Space - Navigate
• ESC - Exit presentation
• F - Fullscreen
• S - Speaker notes
• O - Overview

PDF:

• Ctrl/Cmd+F - Search
• Enter / Shift+Enter - Next/Previous result
• Ctrl/Cmd + +/-/0 - Zoom

Configuration

{
  "docpilot.reveal.theme": "black",
  "docpilot.reveal.transition": "slide",
  "docpilot.reveal.controls": true,
  "docpilot.textProcessing.chunkSizeRatio": 0.8,
  "docpilot.pdfViewer.maxCachedTextLayers": 10,
  "docpilot.timeouts.textExtractionMs": 30000
}

See full options in VSCode Settings UI.

Development

npm run compile          # Build TypeScript + assets
npm run watch            # Watch mode
npm run test             # All tests
npm run test:e2e         # E2E tests (Playwright)
npm run lint             # Biome linting
npm run package          # Create .vsix

Architecture:

src/
├── extension.ts         # Entry point
├── chat/                # Copilot integration
├── commands/            # Commands (PDF, Reveal.js, Quick Prompts)
├── webview/             # PDF & slide viewers
├── pdf/                 # Text/object extraction
├── cache/               # Document caching
└── test/                # Unit/integration/E2E tests

Tech stack: TypeScript 5.9, PDF.js 5.3.93, Reveal.js 5.2.1, Mermaid v11, VSCode Extension API, Rollup, Biome, Playwright

Limitations

• AI features require GitHub Copilot subscription
• Large documents (>100MB) may have performance issues

Links

• Repository
• Issues
• VSCode Marketplace

License

MIT License - see LICENSE