@namahapdf/pptx

Headless, in-browser PowerPoint engine — parse, render, edit .pptx (with faithful write-back), export to PDF, and project to an AI-readable model. Fully on-device, framework-agnostic. Part of the NamahaPDF SDK.

npm i @namahapdf/pptx

import {
  PptxEditSession,
  renderSlide,
  applyPptxPlan,
  configureLicense,
} from '@namahapdf/pptx';

// Apply your license key (without one, exports are watermarked + features limited).
configureLicense({ licenseKey: 'YOUR_KEY' });

// Load a deck into an editing session, edit by intents, save a faithful .pptx.
const session = await PptxEditSession.load('deck.pptx', bytes);
await session.apply([
  { op: 'replace-text', anchor: { fmt: 'pptx', slidePart: 'ppt/slides/slide1.xml', shapeId: '2' }, newText: 'Q3 Review' },
]);
const editedBytes = session.bytes;              // still a valid .pptx

Edits flow through a small, JSON-serializable EditPlan vocabulary (replace-text, move-shape, add-slide, replace-image, …) applied as surgical XML splices on the original package, so everything the plan doesn't touch is preserved byte-for-byte. The same plan an LLM emits (validate it with validateEditPlan) is the plan the UI emits — AI parity is free.

• PptxParser — .pptx → a resolved slide model (theme/master/layout composed).
• renderSlide — a slide → a high-DPI background raster + positioned text segments.
• applyPptxPlan / PptxEditSession — write-back (intent-sourced, undo/redo).
• toStructure — a semantic projection for Markdown / RAG / AI.
• pptxToPdf — export a deck to PDF (hybrid raster + real selectable text).

Get a license key at namahapdf.com/sdk. Free to download but watermarked and feature-limited until a valid key is applied. A ready-made React slide editor in @namahapdf/react is planned.