Casual Slides
The facts below are what the maker publishes about Casual Slides, checked and dated. Our editors have not written about it yet.
Plans and prices
From Casual Slides's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Open-source self-hosted | Free | Self-hosted web editor · Desktop browsers only · Collaboration is a single-active-editor spike |
The facts
Each one read from Casual Slides's own pages, with the date it was checked.
What it does
- AI assistance
- Nochecked 20 Sep 2026
- Audience and limits
- The project targets desktop browsers and explicitly lists mobile support and complete PowerPoint feature parity as non-goals for v0.0.x.checked 11 Oct 2026
- Collaboration limit
- Co-editing is described as a single-active-editor spike, and the planned Yjs and Hocuspocus migration is not yet implemented.checked 11 Oct 2026
- Data and persistence
- The repository says v0.0.x has no persistence or accounts and uses anonymous sessions identified by room URL; rooms are held in memory and are lost when the container restarts.checked 11 Oct 2026
- Editing features
- The editor includes an Office-style ribbon, slide thumbnails, six layout templates, themes, solid and gradient backgrounds, speaker notes, and slideshow mode.checked 11 Oct 2026
- Export
- The project description lists PDF and PNG export among its implemented features.checked 11 Oct 2026
- Integrations
- The project is built on the open-source Univer Slides packages and exports PowerPoint files using PptxGenJS.checked 11 Oct 2026
- License
- The repository identifies Casual Slides as open source under the Apache-2.0 license.checked 11 Oct 2026
- PowerPoint export
- Yeschecked 20 Sep 2026
- PowerPoint files
- It can open and save .pptx files and aims to preserve presentation content through OOXML round-tripping.checked 11 Oct 2026
- PowerPoint import
- Yeschecked 20 Sep 2026
- Presenter mode
- Yeschecked 20 Sep 2026
- Product
- Casual Slides is an open-source, self-hostable, browser-based presentation editor designed to look and behave like Microsoft PowerPoint.checked 11 Oct 2026
- Real-time collaboration
- Nochecked 20 Sep 2026
- Round-trip fidelity
- The repository reports 68 of 87 presentation fidelity probes passing in its wave 7o snapshot.checked 11 Oct 2026
- Security and compliance
- The repository describes the self-hosted runtime but does not state security certifications or compliance attestations.checked 11 Oct 2026
- Self-hosting
- The repository provides Docker and Docker Compose instructions for running the web app and WebSocket relay on one port.checked 11 Oct 2026
- Support
- The editor includes a Help option that can prefill a GitHub bug report.checked 11 Oct 2026
Where it runs
- Browser processing
- PowerPoint file parsing and serialization run in Web Workers so multi-megabyte decks do not block the main thread.checked 11 Oct 2026
- Supported platforms
- web; desktop browsers; self-hostedchecked 20 Sep 2026
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