Slides, design & documents · 3 tools compared
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Prices may changeA single visual for a report
Napkin AI ◐Free plan
Paste a paragraph to extract structure and turn it into a diagram. Download separately as PNG or SVG to insert anywhere in your document.
An entire presentation deck
Gamma ◐Free plan
Enter a single topic line to generate slides with an outline and diagrams included. Korean output is fairly natural.
When there is a lot of Korean text
Gamma ◐Free plan
Requires the least manual editing for Korean sentences among the three. Napkin requires adjusting line breaks inside diagrams.
When matching company templates
Presentations.AI ◐Free plan
Define brand colors and fonts to apply across the entire deck at once. Korean text needs manual refining.
| Item | Napkin AI | Gamma | Presentations.AI |
|---|---|---|---|
| Price | ◐Free plan | ◐Free plan | ◐Free plan |
| Free limits | AI credits provided on a weekly basis. Unlimited PNG and PDF exports. | 400 credits upon signup. Up to 10 slides per prompt. | 100 credits provided |
| Paid price | Paid plans around $10/month | Plus $9/month per user · Pro $18/month · Ultra $90/month (billed annually) | Pro $20/month · Gold $100/month (billed annually) |
| Korean | △PartialThe UI is in English. It converts Korean sentences into diagrams, but line breaks can sometimes look awkward. | ○KoreanEnter a topic in Korean and it generates slides in Korean. | △PartialInterface is in English. Accepts Korean topics, but generated text needs editing. |
| Login | Required | Required | Required |
| Platforms | Web | Web | Web |
| Download output | Download as PNG or PDF. SVG and PPT exports require a paid plan. | Export as PPTX or PDF, or share as a web document | PPTX and PDF export, link sharing |
| Commercial use | ConditionalCheck terms for each plan. You can insert created diagrams into your documents. | ConditionalFree outputs may include a watermark. Check plan terms. | ConditionalCheck terms by plan. Free outputs may include watermarks. |
| Generated Output Unit | One paragraph → Single diagram | One topic line → Slide deck | One topic line → Slide deck |
| Standalone Diagram Export | Download as PNG or SVG | Embedded inside slides | Embedded inside slides |
| Korean Output Quality | Line breaks can be awkward | Fairly natural | Sentences need manual editing |
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The only tool here focusing on single diagrams. Paste text to get visual options for sequences, relations, or comparisons, then export as PNG or SVG. Great for non-designers. The UI is in English, and Korean line breaks need trimming. The free plan has monthly limits.
Generates complete presentations with diagrams included. Enter a single topic to get an outline and structured slides automatically. It delivers the most natural Korean text of the three. However, extracting standalone diagrams is tricky, and free credits are limited.
Builds slide decks from a topic and applies brand colors and fonts across the entire presentation at once. Best for corporate templates. The UI is in English and Korean text needs editing, so it works best as a first draft. Free plans limit exports and add watermarks.
Choose based on whether you need a single graphic or a full slide deck. If you just need a diagram for an existing report, Napkin is the right choice. If you need a whole presentation, pick Gamma or Presentations.ai. Gamma handles Korean best, while Presentations.ai excels at brand templates. Keep text labels short so diagrams stay clean.
| Situation | Pick | Why |
|---|---|---|
| 💼 A single visual for a report | Napkin AI | Paste a paragraph to extract structure and turn it into a diagram. Download separately as PNG or SVG to insert anywhere in your document. |
| 🌱 An entire presentation deck | Gamma | Enter a single topic line to generate slides with an outline and diagrams included. Korean output is fairly natural. |
| 🗣️ When there is a lot of Korean text | Gamma | Requires the least manual editing for Korean sentences among the three. Napkin requires adjusting line breaks inside diagrams. |
| 👥 When matching company templates | Presentations.AI | Define brand colors and fonts to apply across the entire deck at once. Korean text needs manual refining. |
Not a ranking. Different situations, different answers.
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Prices may change; confirm on each official site before paying. A comparison's verified date is the oldest of the comparison and its tools.
A tool that turns text into visual diagrams
A tool that creates presentations from a single prompt
A presentation tool that generates slide decks from a topic