Slop Slides · In development
Presentation editor
Keynote and PowerPoint, rebuilt for the browser.
Nothing to install: just open it in the browser on your phone, tablet or computer. It keeps working without internet after your first visit. Want an icon on your home screen? On iPhone or iPad, tap Share, then Add to Home Screen. On Android, open the browser menu and tap Add to Home screen. On a computer, click the install icon in the address bar.

Slop Slides has these main features: Themes, layouts, transitions & animations; Opens and exports PowerPoint (PPTX). It opens PowerPoint (.pptx), Any image.
In development: some features listed below may not be finished yet.
What you can do with Slop Slides
How Slop Slides compares
Slop Slides next to Google Slides, Microsoft PowerPoint for the web, LibreOffice Impress, Zoho Show: facts from each tool's own pages, checked 2026-10-24. We make Slop Slides.
| Tool | Price | Account | Runs in | PowerPoint files | Presenter view |
|---|---|---|---|---|---|
| Slop Slides ours | Free | Not needed | In the browser on any device; works offline after the first visit | Imports PPTX; exports PPTX | Yes, in a second window |
| Google Slides | Free with a Google Account; some features need a Workspace plan | Google Account | Browser and mobile apps | Converts or edits PowerPoint directly | Not stated |
| Microsoft PowerPoint for the web | Free; Microsoft 365 Personal $9.99 a month or $99.99 a year (US) adds desktop apps | Microsoft account | Browser | Native (.pptx); also edits .odp | No (desktop only) |
| LibreOffice Impress | Free and open source (MPL 2.0) | Not stated | Windows, macOS and Linux app | Loads and saves PPTX | Yes (Presenter Console) |
| Zoho Show | Free for individuals, "with no ads" | Zoho account (sign up) | Browser; mobile and TV apps | Imports PPTX, PPT, ODP; exports PPTX | Not stated |
| Feature | Slop Slides ours | Google Slides | Microsoft PowerPoint for the web | LibreOffice Impress | Zoho Show |
|---|---|---|---|---|---|
| Free to use | Yes | Yes | Yes | Yes | Yes |
| No account needed | Yes | No | No | Not stated | No |
| Works in the browser, no install | Yes | Yes | Yes | No | Yes |
| Opens PPTX | Yes | Yes | Yes | Yes | Yes |
| Saves PPTX | Yes | Yes | Yes | Yes | Yes |
| ODP files | No | Not stated | Yes | Yes | Yes |
| PDF export | Yes | Not stated | Yes | Yes | Yes |
| Transitions | Yes | Yes | Limited set | Yes | Yes |
| Animations | Yes | Yes | Yes | Not stated | Yes |
| Presenter view with notes | Yes | Not stated | No | Yes | Not stated |
| Video in slides | No | Yes | Not stated | Not stated | Yes |
| Real-time co-editing | No | Yes | Yes | Not stated | Yes |
| Version history | No | Yes | Not stated | Not stated | Yes |
| Templates | Yes | Yes | Yes | Not stated | 100+ |
| AI assistant that uses the app | Local model or your own key | Not stated | Not stated | Not stated | Not stated |
| Works offline | After the first visit | Chrome or Edge, with an extension | Not stated | Desktop app | Yes |
The full comparison, with sources: The best free presentation software, compared
Feature matrix
| Feature | Status | File types |
|---|---|---|
| Themes, layouts, transitions & animations | In development | PowerPoint (.pptx), Any image |
| Opens and exports PowerPoint (PPTX) | In development | PowerPoint (.pptx), Any image |
| Exports PDF | In development | PowerPoint (.pptx), Any image |
| Presenter view with notes and a timer | In development | PowerPoint (.pptx), Any image |
| Offline .html | In development | PowerPoint (.pptx), Any image |
File types
Slop Slides opens PowerPoint (.pptx), Any image.
Related apps
Slop PDF
Live
Organise, edit and sign PDFs. Nothing uploaded.
SlopLabel
Beta
Design and print barcode labels.
Slop OCR
Beta
Read text from images and scanned PDFs on your device. Nothing uploaded.
Slop AI
Beta
Chat with an AI that runs on your own computer.
Slop Press
Beta
InDesign, rebuilt for the browser.- Slop Compare
Beta
Compare two texts, files, PDFs or pictures and see every change. Nothing uploaded.