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pptx

Use this skill any time a .pptx or .potx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx or .potx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates (.potx), layouts, speaker notes, or comments. Trigger whenever the user mentions "deck," "slides," "presentation," or references a .pptx or .potx filename, regardless of what they plan to do with the content afterward. If a .pptx or .potx file needs to be opened, created, or touched, use this skill.

backend/cli/skills/document-parsing/pptx/SKILL.md

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Last checked
Nov 2, 2026

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Repository last updated
Nov 6, 2026
License
Apache-2.0

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# PPTX creation, editing, and analysis

A `.pptx` is a ZIP archive of XML files. Choose your approach by task:

| Task | Approach |
|---|---|
| **Create** a new deck | Write a `pptxgenjs` script — see gotchas below |
| **Edit** an existing deck, or build from a template | unzip → edit `ppt/slides/slideN.xml` → zip |
| **Read** content | `markitdown deck.pptx` (one block per slide under `<!-- Slide number: N -->` markers); visual grid: `python scripts/thumbnail.py deck.pptx` |

## Scripts

Paths are relative to this skill's directory. Everything else is plain Python, `node`, or shell.