Continue from existing slides

Reuse a PDF background and add editable explanations above it.

PDF provides a practical starting point for existing material. Imported pages become locked backgrounds, with editable claims, images or formulas added above. The project retains the original PDF for download in Checks. This does not reconstruct PowerPoint objects.

Replace an image while preserving its frame; edit opacity, fit and effects in the inspector.

Demo slides 28–34 use a real Earth photograph to show original images, circular crops, color adjustments, layer effects, reused slides and grouped mathematical text. The photograph is NASA's Apollo 8 Earthrise by Bill Anders. Saving a project preserves the original asset.

The bottom timeline separates triggers; drag bars and their right edges to adjust timing.

Animation editing replaces bottom notes with a timeline and uses one right-hand inspector. A preview returns to the editing slide when complete. Blue editing and green playback markers remain independent. Presenter ink can be saved as a separate archive.

The final walkthrough also exposed a document-opening race: closing a document entered from the demo URL loaded the demo again, potentially replacing a newly opened project. Automatic demo loading now runs once per page visit; the explicit demo action remains available.