Does it support brand colors and custom fonts?

Yes, it can extract color schemes and font usage from theme files and allows for the application of specific hex codes and web-safe fonts during creation.

How does it handle existing PowerPoint files?

The skill can unpack .pptx archives, allow for direct editing of the underlying XML (OOXML), and repack them while ensuring the file remains valid.

Can I preview slides before finalizing?

The skill includes a visual validation workflow that generates thumbnail grids of your slides, allowing you to inspect layouts for text cutoff or overlap issues.

Can this skill create presentations from scratch?

Yes, it utilizes an html2pptx workflow that converts HTML/CSS layouts into PowerPoint slides with precise control over positioning and styling.

PPTX Presentation Expert

Name: PPTX Presentation Expert
Author: ttmouse

byttmouse

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Content Management

Manages the full lifecycle of PowerPoint presentations through programmatic creation, deep OOXML editing, and design analysis.

About

The pptx skill transforms Claude into a sophisticated presentation engineer capable of handling complex .pptx tasks. It moves beyond simple text extraction by providing specialized workflows for creating presentations from HTML/CSS layouts, performing surgical edits on existing slides via Open XML (OOXML) manipulation, and analyzing design elements like themes, typography, and color palettes. It is an essential tool for developers and users needing to automate deck generation, maintain brand consistency across slides, or extract rich metadata like speaker notes and comments from existing files.

Key Features

Automated color palette and typography extraction from existing themes
Deep OOXML editing for direct manipulation of slide XML, layouts, and masters
25 GitHub stars
Visual validation system using automated thumbnail grid generation
HTML-to-PPTX conversion for pixel-perfect slide design and positioning
Comprehensive support for speaker notes, modern comments, and media assets

Use Cases

Performing bulk updates and branding migrations across large sets of existing presentation files
Generating professional, data-driven pitch decks from scratch using web technologies
Analyzing and auditing corporate presentations for design consistency and content accuracy

About

Key Features

Automated color palette and typography extraction from existing themes
Deep OOXML editing for direct manipulation of slide XML, layouts, and masters
25 GitHub stars
Visual validation system using automated thumbnail grid generation
HTML-to-PPTX conversion for pixel-perfect slide design and positioning
Comprehensive support for speaker notes, modern comments, and media assets

Use Cases

Performing bulk updates and branding migrations across large sets of existing presentation files
Generating professional, data-driven pitch decks from scratch using web technologies
Analyzing and auditing corporate presentations for design consistency and content accuracy