Side by side
impress.js vs Kroma
Both stand on presentation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Self-hostedWeb
impress.js provides a code-based way to create web presentations with canvas movement and 3D effects. Its modern browser requirements and need for HTML/CSS authoring are important considerations.
Visit impress.js Free plan Web
Kroma provides a free, browser-based path from written material to editable presentations. Its export options and no-account workflow suit quick deck creation, while users should consider its local-storage and API prompt handling.
Visit KromaThe facts
| impress.js | Kroma | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Self-hosted, Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | impress.js.org | kroma.ai |
| On presentation software | #67 of 93 | #63 of 93 |
impress.js: what it does well
- Free MIT-licensed framework
- Infinite canvas with positioning, rotation, and scaling
- Presenter console shows current and previous slides
- Plugins add navigation, progress, and blackout controls
- Works from CDN or local copy
What to know first
- Older browsers are unsupported
- Embedded presentations may fail to display correctly
- Requires HTML and CSS authoring
Kroma: what it does well
- Generates decks from prompts, URLs, or documents
- Offers 10 built-in design themes
- Exports editable PowerPoint, PDF, and JSON
- Creation and export are free
- No account or credit card required
What to know first
- Web platform only
- Prompts are sent to its API
- Presentations rely on browser local storage
- No free trial is offered
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