WebToSlides

Developer API

HTML to PPTX API

Join the waitlist for a developer API that turns HTML into editable PowerPoint decks.

Programmatically convert HTML into editable PowerPoint files. Submit HTML, poll job status, and download a PPTX. The API mirrors the WebToSlides product surface.

Try it free See pricing

Real editable PPTX ~60 seconds per deck Free to try

Last updated: April 29, 2026 · Reviewed by the WebToSlides team

HTML to PPTX API

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Free plan: 3 decks per month, watermark on exports.

How it works

How to html to pptx api in four steps

The fastest way to html to pptx api without manual copy-paste, screenshots, or formatting cleanup.

  1. Step 1

    Paste your source

    Drop in a URL, paste HTML or Markdown, or upload text. We extract the article body and discard navigation, ads, and boilerplate.

  2. Step 2

    Pick template and audience

    Choose a slide template (minimal, corporate, startup, academic, pitch) and the audience tone.

  3. Step 3

    Review the AI outline

    Approve or edit the proposed outline before slides are rendered. You stay in control of the structure.

  4. Step 4

    Download the editable PPTX

    Get a real .pptx with editable text, native layouts, and optional speaker notes. Open in PowerPoint, Keynote, or Google Slides.

Features

Why teams choose WebToSlides for html to pptx api

JSON in, PPTX out

Submit HTML, receive a deck.

Outline endpoint

Inspect or override the outline before slides render.

Webhooks

Get notified when long-running jobs finish.

Per-key usage

Track usage and rate limits per key.

Use cases

Where html to pptx api works best

Reporting pipelines

Auto-generate decks from internal HTML reports.

Customer-facing exports

Add 'Export to PowerPoint' to your product.

Documentation portals

Offer one-click decks for help articles.

Why not just copy-paste?

WebToSlides vs. doing it manually

Manual conversion takes hours and never matches a real PowerPoint workflow. Here's the difference.

Approach
Manual copy-paste
WebToSlides
Time per deck
30–90 minutes
Under 60 seconds
Editable text and layouts
Often pasted as images
Native PPTX elements
Speaker notes
Written by hand
Auto-generated
Brand consistency
Restyled per slide
Template styling applied automatically
Repeatable for many pages
Painful at scale
Batch & API ready

Output quality

What the deck looks like

Every html to pptx api run produces a real .pptx — never a screenshot. Here's what's in the box.

  • Same engine as the WebToSlides app.
  • Editable PPTX output.
  • Predictable JSON outline schema.

Related converters

URL to PPTX API Batch HTML to PPTX Pricing

Topic cluster

Related converters

Other ways to turn web content into editable PowerPoint and Google Slides decks.

Frequently asked questions

When will the API launch?+

We are onboarding waitlist developers in cohorts. Join the waitlist and we will reach out when keys open up.

What does pricing look like?+

Pricing is metered by deck. Waitlist signups get early access pricing.

Is the exported PowerPoint file editable?+

Yes. WebToSlides exports a real PPTX file with editable text, speaker notes, and standard layouts. Open it in PowerPoint, Keynote, or upload it to Google Slides.

Join the HTML to PPTX API waitlist

Be the first to receive an API key.

Join the waitlistSee pricing