Documentation Index

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Image & Video APIs

Video trimming and concatenating

Last updated: Sep-06-2026

When transforming and editing videos, you often need to adjust the length of a clip, join multiple assets together, or add transitions between scenes. This section covers the Cloudinary transformation options for trimming videos and building concatenated video sequences. The same options work on audio files, which use the video asset type in Cloudinary.

Trimming videos

Trim a video or audio clip by specifying the section to keep. You can set a start time, an end time, or a duration, using either seconds or a percentage of the asset's length.

Learn more: Video trimming

Concatenating media

Concatenate videos together, concatenate videos with images, join audio files, or splice only part of a clip into another. Concatenation uses the splice flag to join media assets into one, instead of placing the added asset as an overlay.

Learn more: Video concatenation

Transition effects

Add transition effects when concatenated assets should blend together instead of switching with a hard cut. You can apply cross fade transitions between videos, or between videos and images.

Learn more: Video transition effects

Video tutorials

Watch walkthroughs for using the Node.js SDK to trim and concatenate videos.

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