How do I combine multiple videos into one?

Add each video as a source, trim the part you want and click Add so each lands on the timeline. Then export the project as one video.

How do I add a transition between two clips?

Select the first clip, open the Timing tab, choose a Transition and set the Crossfade length.

How many transitions are there?

There are 22, including dissolve, dip to black, dip to white, wipes, slides and circle effects.

Video Editor Beginner 5 min read Updated Oct 23, 2026 Pluto Photos 2.5.2

How to Join Video Clips and Add Transitions

Short answer

Add each trimmed clip to the timeline in order. Select a clip, open the Timing tab, choose a Transition and drag the Crossfade slider to set its length. Drag clips to reorder them.

Requires Pluto Photos Pro (one-time $29, no subscription). The free download includes a 30-day trial of every Pro feature.

#1. Load all your clips as sources

Open the first video from your library, then click + Add Videos to bring in the others. Each file becomes a tab in the Source row. These three are a beach, a mountain lake and a drone shot.

The source row of the video editor with three source videos listed as tabs: beach sunset, mountain lake and drone beach — Three sources, one tab each.

#2. Trim and Add each clip in order

For each source, click its tab, drag the handles to choose the part you want and click Add. Clips land on the timeline in the order you add them, labelled #1, #2 and #3. The timeline header shows the clip count and the total running time.

The timeline with three clips #1, #2 and #3, with Hard Cut markers between them — Three clips, with a Hard Cut (no transition) between each by default.

#3. Reorder if you need to

Drag a clip left or right on the timeline to change its place. The timeline gives you the rest: drag the edges to ripple trim, and drag the seam handle between two clips to roll the cut.

#4. Select a clip and open the Timing tab

Click the clip that comes before the cut you want to soften, then open the Timing tab in the Properties panel. Under Transitions & Fades you'll find Fade In, Fade Out, Crossfade, Transition and Audio Blend.

The Timing tab with Fade In, Fade Out, Crossfade, Transition set to Dissolve and Audio Blend set to Balanced — Transitions and fades in the Timing tab.

#5. Choose a transition and set its length

Pick a Transition. The choices are Dissolve, Dip to Black, Dip to White, wipes and slides in four directions, Circle Crop/Open/Close, Vertical and Horizontal Open/Close, Dissolve (Dither), Pixelize, Radial Wipe and Zoom In. Then drag Crossfade to set how long it lasts (1.0 second here). Audio Blend (Balanced, Smooth, Soft or Sharp) shapes how the sound crosses over. The marker between the clips now reads Dip to Black - Balanced 1.0s.

The timeline with clip 2 showing Dip to Black 1.0s and a marker between clips 2 and 3 reading Dip to Black Balanced 1.0s — The transition shows on the timeline.

#Tips

A plain cut or a short dissolve suits most edits. Save wipes and pixelates for when you want them to be noticed.
Fade In and Fade Out on a single clip work well at the start and end of the whole video.
Put some music underneath to tie different clips together.

#Questions

How do I combine multiple videos into one?: Add each video as a source, trim the part you want and click Add so each lands on the timeline. Then export the project as one video.
How do I add a transition between two clips?: Select the first clip, open the Timing tab, choose a Transition and set the Crossfade length.
How many transitions are there?: There are 22, including dissolve, dip to black, dip to white, wipes, slides and circle effects.

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