Merge MKV Video Online - Free Tool.
Need Custom Conversion?Merge multiple MKV clips in-browser into one continuous file for simple compilations and sequence exports.
Drop videos here or browse (2+ files, MAX 500 MB each)
Max 500 MB per file
Preparing video merger…
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Quick use cases
Clip compilations Sequence stitching Quick rough assemblies
Workflow
- Add MKV files in order
- Review sequence
- Merge
- Download combined video
Processing notes
- Clips should share compatible settings for best results.
- Long merges are CPU-intensive locally.
- Verify transitions and total duration after export.
Compatibility notes
- MKV is widely used for web delivery, editing, and device playback.
- Use metadata preview to confirm resolution, duration, and codec settings.
- Validate exports on the platforms where you publish or review content.
Troubleshooting
- If processing is slow, reduce file size or use a more powerful device.
- If playback fails, try another target format from the Explore links.
- If quality looks off, compare source resolution/bitrate with your export settings.
Merge video FAQ
Does this video merger upload my file to a server?
No. Processing runs in your browser using local compute; files are not sent to ConversionTab servers for this tool.
Which MKV workflows is this useful for?
Quick edits, QA checks, and one-off exports when you need a browser-based workflow without installing desktop software.
How do I verify the result?
Download the output, confirm duration and playback, and use the metadata viewer if your pipeline requires detailed stream checks.
More tools to try
Converters, editors, and extractors that pair well with this page—grouped so you can scan quickly.
Same tool, other formats
1 toolsConvert MKV to other formats
22 toolsConvert MKV to MP4 Convert MKV to AVI Convert MKV to MOV Convert MKV to WEBM Convert MKV to MPEG Convert MKV to MPG Convert MKV to OGG Convert MKV to 3GP Convert MKV to TS Convert MKV to M2TS Convert MKV to WMV Convert MKV to HEVC Convert MKV to H264 Convert MKV to H265 Convert MKV to AVCHD Convert MKV to DIVX Convert MKV to DV Convert MKV to M1V Convert MKV to M2V Convert MKV to M4V Convert MKV to MJPEG Convert MKV to VOB
Convert other formats to MKV
22 toolsConvert MP4 to MKV Convert AVI to MKV Convert MOV to MKV Convert WEBM to MKV Convert MPEG to MKV Convert MPG to MKV Convert TS to MKV Convert M2TS to MKV Convert MTS to MKV Convert WMV to MKV Convert HEVC to MKV Convert H264 to MKV Convert H265 to MKV Convert AVCHD to MKV Convert DIVX to MKV Convert DV to MKV Convert M2V to MKV Convert M4V to MKV Convert QT to MKV Convert SWF to MKV Convert VOB to MKV Convert XVID to MKV