Both make slides with AI. The difference is where they start: Decktopus starts from a prompt or pasted content, Presmo starts from your document — a PDF, text or a URL — and turns it into a designed, editable .pptx without inventing anything.
Upload a PDF, paste text, or drop a URL.
It understands structure, tightens the text, and picks each layout.
Review every slide, then export an editable PowerPoint.
Presmo reads the whole document — headings, tables, scanned pages — and designs the deck from it.
Every number and claim on a Presmo slide comes from your source. Nothing is made up.
Download a real PowerPoint and finish it in PowerPoint, Keynote or Google Slides.
| Presmo | Decktopus | |
|---|---|---|
| Starts from | Your document: a PDF, pasted text or a URL | A prompt or topic, plus templates |
| What you get | An editable .pptx file you own, plus an in-app editor | A Decktopus presentation, exportable to PowerPoint or PDF |
| Faithful to your source | Yes — Presmo never invents facts that are not in the document | Generative: it can add content beyond what you gave it |
| Long documents | Reads whole reports: layout-aware extraction, tables, OCR for scanned pages | Built around prompts and pasted text |
| Editing | Built-in slide editor, 16+ output languages, themes; then any PowerPoint-compatible app | Decktopus's online editor |
| Pricing | Free first deck · $7 for 5 decks, one-time · Pro $12/mo | Subscription tiers — see Decktopus's pricing page |
| Best for | Turning an existing report, paper or proposal into a deck | Fast template-based decks from a topic |
Written from each product's public positioning in October 2026. Features and prices change — check the vendor's site. Presmo is not affiliated with Decktopus.
You need a presentable deck on a topic quickly and do not have source material yet, or you want the extras around the deck (forms, lead capture) that Decktopus offers.
You have the source material and need the deck to reflect it exactly — a board update from the metrics document, a proposal from the written scope.
Presmo is built for one job: a document goes in, a deck you would actually present comes out. It reads the structure of the document (sections, tables, figures), tightens the prose into slide-sized points, picks a layout per slide, and refuses to add facts that are not in the source. The result is a real .pptx — your file, editable anywhere.
See the full Presmo pricing or the Decktopus alternative page for more detail.
For turning an existing document into a presentation, yes. For creating new content from a prompt, Decktopus is designed for that and Presmo is not — Presmo deliberately stays within your source.
Yes. Every deck downloads as a real, editable .pptx that opens in PowerPoint, Keynote or Google Slides.
Presmo chooses the layout per slide from the content and applies a theme, so you do not pick a template first — the structure comes from your document.
Your first deck is free, full-length and watermark-free. After that you get 3 preview decks a month free, a $7 one-time pack of 5 decks, or Pro at $12/mo for 60 decks.