Combine multiple video clips into a single video.
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A video merger joins two or more separate video files together, end to end, producing one single continuous video. This is different from a video editor's timeline — it doesn't overlay clips or add transitions, it simply concatenates them in the order you upload them.
To merge clips, add each video file using the upload box (you can add more than one), arrange them in the order you want using the file list, and click Merge. The tool re-encodes each clip to a consistent format internally and then joins them seamlessly into a single output file.
This is especially useful for combining multiple short phone recordings of the same event into one video, joining separate scene recordings into a single sequence before uploading to social media, or stitching together several trimmed segments cut from a longer source.
For the smoothest results, try to merge clips that share the same resolution and frame rate. Clips with very different resolutions will still merge, but the output will use the first clip's dimensions, and other clips may be scaled to match.
Because merging re-encodes the footage to guarantee compatibility between clips, very long or high-resolution merges may take a little longer to process — this all happens on your own device, so processing time depends on your computer's speed rather than any queue on our end.
When merging clips recorded on different devices, small differences in frame rate or audio sample rate are automatically normalized during the merge process so the final file plays back smoothly without stuttering or audio drift, even if the source clips weren't originally perfectly matched.
A common workflow is to first trim each individual clip down to just the section you want using our Video Trimmer tool, and only then bring the trimmed pieces into the merger — this keeps your final combined video tight and free of unwanted footage between the parts you actually care about.
Order matters when merging, so it's worth double-checking your file list before clicking Merge — clips are joined in exactly the sequence shown, top to bottom. If you accidentally add a clip in the wrong position, simply remove it using the small × button next to its name in the list and re-add it, which will place it at the end of the current order.
Very large merges — say, ten or more clips — will naturally take longer to process since each clip has to be normalized and written before the final join happens; for big batch merges, consider running them in smaller groups of three or four clips at a time for a smoother experience.
Keeping individual source clips backed up separately, even after merging, is good practice in case you need to rebuild the sequence differently later or swap out just one section without redoing the entire merge from scratch.
In short, this tool turns several separate recordings into one clean, continuous file ready to publish or share as a single piece.
Whatever the source, the output is a single ready-to-share MP4 file every time.
Yes, you can add as many clips as you like and they will be joined in the order shown in the file list.
No, you can merge different formats (e.g. MP4 and MOV) together — the tool normalizes them during merging.
Add clips in the order you want them joined; remove and re-add a clip to change its position in the list.
No, clips are joined directly with no transition effect, gap, or fade added between them.