Put all your photos into one folder. Make sure they’re sequentially named (e.g., IMG_0001.jpg, IMG_0002.jpg, etc.).
Open QuickTime Player.
Go to File → Open Image Sequence….
Select the first image in the folder.
Choose a frame rate (e.g., 24 fps for smooth motion).
QuickTime will automatically import the photos as a movie file.
Save or export it: File → Export As → 1080p (or 4K).
Open iMovie and create a new project.
Drag your photo folder into the media library.
Select all photos → drag them to the timeline.
Select all → right-click → Adjust Duration (e.g., 0.1–0.3 seconds per photo).
Optionally add transitions, music, or text.
Export via File → Share → File….