Pick the story structure
For milestone birthdays, arrange photos by age or life chapter. For a casual party video, group photos by family, friends, travel, hobbies, and recent memories.
Use captions sparingly
Short captions are better than long paragraphs. Names, dates, places, and one-line jokes work well because viewers can read them while the video continues moving.
Choose music before final timing
Music affects pacing. Upbeat songs can use shorter slide durations, while sentimental tracks often need slower transitions. Keep the slide count realistic for the song length.
Make the ending matter
Reserve the final slide for a clear closing message such as a birthday wish, a group photo, or a simple thank-you. The last slide is what people remember when the video stops.
Export as MP4
For a complete birthday slideshow with music, MP4 is the practical format. It is easier to share, replay, and use on party screens than a presentation file.
Slides To Video lets you build the slideshow in Google Slides and export it as a video, so the creative work stays in a familiar editor.