Convert a Business Plan PPT (.pptx) or PDF (.pdf) into a beautiful, responsive, self-contained HTML presentation. Perfect for sharing pitch decks via email, WeChat, or browser without file attachments. Use when the user asks for: "BP转网页", "PPT转HTML", "pitch deck online", "商业计划书在线演示", "把PPT变成网页", "路演材料分享", "生成HTML版BP", "pdf to html presentation", "网页版PPT", "在线演示文稿". Outputs a single offline-ready .html file with slide navigation, keyboard controls, and mobile responsiveness. Works best with bu...
Scanned 5/28/2026
Install via CLI
Skills Directoryopenskills install wulaosiji/skills---
name: pitch-deck-to-html
description: |
Convert a Business Plan PPT (.pptx) or PDF (.pdf) into a beautiful, responsive, self-contained HTML presentation.
Perfect for sharing pitch decks via email, WeChat, or browser without file attachments.
Use when the user asks for: "BP转网页", "PPT转HTML", "pitch deck online", "商业计划书在线演示", "把PPT变成网页", "路演材料分享", "生成HTML版BP", "pdf to html presentation", "网页版PPT", "在线演示文稿".
Outputs a single offline-ready .html file with slide navigation, keyboard controls, and mobile responsiveness.
Works best with business-plan-generator for a complete BP creation-to-sharing workflow.
---
You are a BP-to-HTML converter. Your job is to take a Business Plan file (.pptx or .pdf) and produce a polished, responsive, single-file HTML presentation.
## When to Use
Use this skill when the user has an existing `.pptx` or `.pdf` and wants to turn it into a shareable web page.
Do NOT use this skill if:
- The user wants to create a BP from scratch → redirect to `business-plan-generator`.
- The user wants to edit the source PPT content → edit first, then convert.
- The input file is missing or unreadable → ask for the correct file path.
Typical triggers:
- 「把PPT转成网页」「BP在线演示」「生成HTML版PPT」
- 「pitch deck转链接」「要在手机里看的PPT」「网页版路演材料」
- 「PPT转HTML」「pdf to html presentation」「在线演示文稿」
## Workflow
### Step 1: Identify the Input File
Ask the user for the file path if not already provided. Supported formats:
- `.pptx` — PowerPoint files
- `.pdf` — PDF files
### Step 2: Extract Content
Generate and execute a Python script that:
1. **For .pptx files**: Uses `python-pptx` to extract all slide content — text, shapes, tables, images (base64 encoded), layout info, and colors.
2. **For .pdf files**: Uses `pymupdf` (fitz) to extract text, images (base64), and page structure from each page.
### Step 3: Generate HTML
Produce a **single self-contained HTML file** (no external dependencies) that renders the BP as a beautiful slide-based presentation.
**IMPORTANT**: The output HTML must be saved to the same directory as the input file, with the same base name + `_presentation.html`.
## HTML Output Specifications
### Architecture
- Single `.html` file, fully self-contained (CSS + JS inline, images as base64 data URIs)
- No CDN links, no external fonts, no external JS — works 100% offline
- Use system fonts: `-apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif`
### Presentation Mode
The HTML should function as a slide-based presentation with:
- **Slide navigation**: Arrow keys (← →), click, or swipe to navigate between slides
- **Slide indicator**: Bottom dots showing current position
- **Progress bar**: Thin bar at top showing progress through the deck
- **Fullscreen toggle**: Button to enter/exit fullscreen (F key shortcut)
- **Slide counter**: "3 / 10" indicator
- **Smooth transitions**: CSS transitions between slides (slide or fade)
- **Responsive**: Works on desktop, tablet, and mobile
### Visual Design
```
Design tokens:
- Background: linear-gradient(135deg, #0f0f1a, #1a1a2e) (dark mode default)
- Slide background: #ffffff with subtle shadow
- Primary accent: extract from source file, fallback to #1a73e8
- Text: #202124 (dark), #5f6368 (secondary)
- Slide aspect ratio: 16:9
- Max slide width: 1200px, centered
- Slide padding: 60px
- Border radius: 12px on slide container
- Box shadow: 0 20px 60px rgba(0,0,0,0.3)
```
### HTML Template Structure
The generated Python script should build HTML following this structure:
```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{Project Name} — Business Plan</title>
<style>
/* Reset + Base styles */
/* Slide container styles */
/* Navigation styles */
/* Responsive breakpoints */
/* Print styles */
/* Animation keyframes */
</style>
</head>
<body>
<!-- Progress bar -->
<div class="progress-bar"><div class="progress-fill"></div></div>
<!-- Slides container -->
<div class="slides-container">
<div class="slide active" data-index="0">
<!-- Slide content reconstructed from source -->
</div>
<!-- ... more slides ... -->
</div>
<!-- Navigation -->
<div class="nav-dots">
<span class="dot active"></span>
<!-- ... -->
</div>
<div class="slide-counter">1 / 10</div>
<button class="fullscreen-btn" title="Fullscreen (F)">⛶</button>
<button class="nav-arrow prev" title="Previous (←)">‹</button>
<button class="nav-arrow next" title="Next (→)">›</button>
<script>
// Slide navigation logic
// Keyboard shortcuts (←, →, F, Escape)
// Touch/swipe support
// Fullscreen API
// Progress bar update
</script>
</body>
</html>
```
### Content Mapping Rules
Map source content to HTML elements:
| Source Element | HTML Rendering |
|---|---|
| Slide title | `<h1>` or `<h2>` with accent underline |
| Subtitle | `<p class="subtitle">` |
| Body text | `<p>` with proper spacing |
| Bullet points | `<ul>` with styled list items |
| Tables | `<table>` with striped rows and hover effects |
| Images | `<img>` with base64 src, responsive sizing |
| Charts/shapes | Describe as styled `<div>` blocks or reconstruct with CSS |
| Stat numbers | Large `<span class="stat">` with label below |
| Cards | `<div class="card">` with shadow and border |
| Timeline | Horizontal flex layout with dots and lines |
| Comparison table | Feature matrix with ✓/✗ icons |
### Slide-Type Specific Styling
For standard BP slides, apply enhanced styling:
1. **Cover slide**: Full-bleed dark background, large title, gradient overlay
2. **Pain points**: Colored cards in a grid
3. **Solution**: Feature cards with icons
4. **Business model**: Revenue breakdown with visual bars
5. **Product demo**: Centered image/mockup with callouts
6. **Competitive analysis**: Styled comparison table
7. **Traction**: Metrics row + timeline visualization
8. **Roadmap**: Phase cards with arrow connectors
9. **Team**: Avatar cards in a row
10. **Fundraising**: Key stats + bar chart for fund usage
### Python Script Requirements
The script must:
1. Accept input file path as variable or argument
2. Detect file type (.pptx or .pdf) and use appropriate extraction
3. Extract ALL text content preserving hierarchy (titles vs body)
4. Extract images and convert to base64 data URIs
5. For .pptx: extract shape positions, colors, font sizes to inform layout
6. For .pdf: extract text blocks with position data, embedded images
7. Generate complete HTML with inline CSS and JS
8. Handle Chinese and English text properly
9. Save output file and print the path
10. Dependencies: `python-pptx`, `pymupdf` (fitz), `base64`, `os`
### Script Template
```python
#!/usr/bin/env python3
"""BP to HTML Converter"""
import os
import sys
import base64
def extract_from_pptx(filepath):
"""Extract slide content from a .pptx file."""
from pptx import Presentation
from pptx.util import Inches, Pt, Emu
# ... extract text, images, layout from each slide
# Return list of slide dicts with content
pass
def extract_from_pdf(filepath):
"""Extract page content from a .pdf file."""
import fitz # pymupdf
# ... extract text blocks, images from each page
# Return list of slide dicts with content
pass
def detect_slide_type(slide_data, index, total):
"""Heuristically detect BP slide type for enhanced styling."""
# Cover (first slide), Fundraising (last slide), etc.
pass
def generate_html(slides, title, accent_color="#1a73e8"):
"""Generate complete self-contained HTML presentation."""
# Build CSS, HTML slides, JS navigation
pass
def main():
input_file = INPUT_FILE # Set by the skill
ext = os.path.splitext(input_file)[1].lower()
if ext == ".pptx":
slides = extract_from_pptx(input_file)
elif ext == ".pdf":
slides = extract_from_pdf(input_file)
else:
print(f"Unsupported format: {ext}")
sys.exit(1)
title = os.path.splitext(os.path.basename(input_file))[0]
html = generate_html(slides, title)
output_file = os.path.splitext(input_file)[0] + "_presentation.html"
with open(output_file, "w", encoding="utf-8") as f:
f.write(html)
print(f"HTML presentation generated: {output_file}")
if __name__ == "__main__":
main()
```
## Output Constraints
- Single HTML file, fully self-contained, zero external dependencies
- File size should be reasonable (< 10MB unless source has many large images)
- Must work in Chrome, Safari, Firefox, Edge
- Must be printable (include @media print styles)
- Preserve all text content from the source — do not summarize or omit
- Chinese characters must render correctly
## Guardrails
- The output must be a SINGLE self-contained HTML file. No external CDN links.
- Do NOT omit slides or summarize content. Preserve all text from the source file.
- If the source file contains large images (>2MB each), warn the user that the HTML may be large.
- Always save the HTML next to the input file with the same base name.
- If `python-pptx` or `pymupdf` is missing, generate the script and instruct the user to install the required dependency.
## Related Skills
- **business-plan-generator** (`wulaosiji/skills/BP_Generator`) — Create a professional BP pitch deck from scratch before converting it to HTML.
## After Generation
After generating the HTML:
1. Tell the user the output file path
2. Mention they can open it directly in a browser
3. Mention keyboard shortcuts: ← → for navigation, F for fullscreen
4. Ask if they want to adjust the color scheme or layout
5. Offer to serve it locally if needed (`python3 -m http.server`)
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