Video Merger

Upload two or more clips, arrange them in order, and download one merged video without a watermark. Compatible clips are joined without re-encoding when possible.

Merge videos online

Join clips end to end, or combine one video with a separate audio track. MP4, MOV, WebM, MKV, MP3, WAV, M4A, AAC, OGG, and FLAC files are accepted up to 1 GB each.

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Is this video merger free?

Yes. You can combine videos for free without signup, a watermark, or a paid API.

Which video formats can I merge?

Upload common video files such as MP4, MOV, WebM, MKV, AVI, M4V, FLV, WMV, MPEG, and 3GP.

Will merging reduce video quality?

Compatible clips are joined with stream copy, preserving the original video and audio streams. If clips use different codecs, dimensions, frame rates, or audio layouts, Convertr re-encodes the merged output with high quality settings.

Can I reorder clips before merging?

Yes. Add multiple clips, move them up or down, then merge them in the order shown.

Can I add audio to a video?

Yes. Switch to the audio and video mode, upload one video and one audio file, then choose whether to replace the original audio or keep it as an extra track.

What is the maximum upload size?

The upload limit is 1 GB per file, matching the rest of Convertr. Full-resolution videos are supported when the uploaded files are within that limit.