Does it support data-heavy slides like charts and tables?

Absolutely. It integrates with PptxGenJS and custom HTML placeholders to accurately render charts and tables with high readability.

Can this skill edit existing PowerPoint files?

Yes, it uses a specialized OOXML workflow to unpack .pptx files, modify the underlying XML structure for slides and layouts, and repackage them safely.

How does it ensure the presentations look professional?

The skill follows strict design principles, utilizing specific color palettes, web-safe typography, and optimized layouts like two-column designs for charts and tables.

Can Claude see what the slides look like?

Yes, the skill includes a visual validation step that generates thumbnail grids, allowing Claude to inspect for text overlaps, contrast issues, or layout errors.

PPTX Presentation Master

Name: PPTX Presentation Master
Author: Jst-Well-Dan

byJst-Well-Dan

0•

Productivity & Workflow

Automates the creation, editing, and analysis of PowerPoint presentations using programmatic design workflows and OOXML manipulation.

This skill provides a comprehensive toolkit for managing PowerPoint presentations directly within Claude. It enables sophisticated workflows including converting HTML slides to PPTX with precise positioning, editing raw Office Open XML (OOXML) for deep customization, and extracting content for analysis. With built-in design principles, curated color palettes, and automated visual validation via thumbnail generation, it ensures that generated decks are both professional-looking and technically sound.

Key Features

01Deep XML editing for speaker notes, layouts, and animations

02Markdown-based text extraction and content analysis

030 GitHub stars

04Programmatic slide creation via HTML-to-PPTX conversion

05Automated visual QA through thumbnail grid generation

06Design-centric workflows with custom color palettes and typography

Use Cases

01Automating batch updates and formatting fixes in existing presentations

02Generating professional data-driven business decks from raw content

03Summarizing and analyzing complex PowerPoint files for documentation

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jst-well-dan/skill-box document-skills-pptx

For use in Claude.ai and ChatGPT

Download Skill