Top 7 MKV Mergers to Join and Create Seamless High-Quality Videos Fast

Have you ever downloaded several MKV clips from your favorite series and wished to watch them as one seamless video? That is when an MKV joiner becomes essential. It lets you merge multiple MKV files into one continuous video without losing quality, making it perfect for creating movie compilations or joining split recordings effortlessly.

Part 1. Why You Need an MKV Joiner

MKV is not like other video formats because it can store multiple audio tracks, subtitles, and high-quality video streams in one file without losing quality. This makes it ideal for video merging, as you can combine several MKV clips into a single, seamless file while preserving all the original data. An MKV joiner allows you to merge movies, episodes, or recordings effortlessly without re-encoding, ensuring faster processing and maintaining the same resolution and clarity. Whether you're creating a movie compilation or joining split video parts, using an MKV joiner ensures smooth playback and professional-quality output.

Part 2. Top 5 MKV Joiners on Desktop

Among all available options for merging MKV videos, desktop tools provide the optimal combination of performance, versatility, and quality. Below are five of the best desktop tools you can use to merge MKV videos, as well as described processes for each.

1. AVAide Video Converter (Best Overall MKV Joiner)

As a fully equipped video management and editing tool, AVAide Video Converter is much more than a simple converter; it combines, enhances, and optimally processes MKV videos as per professional standards. AVAide handles merging seamlessly, whether you are joining movie clips, socially posting prepared joined videos, or merging recorded parts. It handles the process quickly, and the process is completed at the desired quality.

Step 1Download and Install the Tool

To install it, go to the official AVAide website, download Video Converter, and follow the setup instructions. After the installation is finished, launch the application.

Step 2Add Your MKV Files

To begin the process of joining clips, select the MKV clips you want to merge, and on the main interface, select Add Files. The application also allows you to upload videos for batch merging.

Step 3Enable the Merge Feature

To merge all the MKV files you added, select the Merge into one file option located at the bottom of the interface.

Step 4Select Your Desired Output Format

To choose an output format, click on the Output Format dropdown menu and select one among MKV, MP4, and MOV under the Video tab. You can also choose from various resolutions, frame rates, and codecs to complete the export settings.

Step 5Commence Video Merging

To begin the merging process, click Convert All. Your MKV clips will merge into a single video of the highest quality and be saved in the output folder you specified.

2. MKVToolNix

MKVToolNix is free open source software for managing and editing Matroska (MKV) multimedia files. It lets you combine files, split them, and delete tracks without re-encoding, which preserves the video quality.

Step 1Download and open MKVToolNix GUI.

Step 2Within the Multiplexer tab, right-click on the Source files area, and select + Add files. You can now upload the first MKV clip.

Step 3Right-click on the first video and from the dropdown menu, select Append files to include additional MKV clips.

Step 4After the MKV clips are uploaded, select a destination folder and click Start multiplexing to join the files, exporting to a single MKV.

3. Bandicut

Bandicut is a lightweight and quick MKV joiner, famous for its High-Speed mode, which allows you to join videos without any re-encoding and quality loss. It also has functionalities for cutting and splitting videos.

Step 1Launch Bandicut and then select the Join tab.

Step 2Add your MKV files and organize them.

Step 3For quicker merging, select High-Speed mode, but choose Encoding mode if you wish to convert the files.

Step 4Specify the output directory and select the desired format (MKV, MP4, AVI, etc.).

Step 5Start to combine your MKV files into one by clicking Start.

4. Boilsoft Video Joiner

For merging video files in varying formats, Boilsoft Video Joiner functions specifically for that. For the same-type files, the Direct Stream Clone Mode can be utilized, while altered formats can be fused using the Encode Mode.

Step 1The program is started, and MKV clips are uploaded by clicking Add File.

Step 2The videos are merged by clicking the Merge option, and the desired option is chosen to use Direct Stream Clone Mode or Encode Mode.

Step 3Select the output format (MKV, MP4, WMV, etc.) and destination to save

Step 4The videos are then joined after clicking Save.

5. Xilisoft Video Joiner

This MKV joiner is an efficient Xilisoft Video Joiner, which allows for merging MKV, along with AVI, MOV, 3GP, and MPEG. The video quality, size, resolution, and frame rate can all be adjusted prior to exporting.

Step 1Open Xilisoft Video Joiner and click the + button to add your MKV files.

Step 2(Optional) Tick the Fade in/out box to include transitions between your clips.

Step 3Choose output format (MKV, MP4, MOV, etc.), resolution, and destination folder.

Step 4Click Join to start merging your MKV clips into one video.

Part 3. Top 2 MKV Joiners Online

If you would rather not install any software, online MKV joiners work perfectly. They are quick, easy to find, and simple to navigate directly on your web browser for an effortless video merger review experience.

1. VEED.io

Veed.io is a comprehensive online MKV video editor, along with many other file types. You can integrate, cut, and modify videos online and export them in different formats.

Step 1Type veed.io in your browser, and in the Tools section, select Join/Merger.

Step 2Click Choose Files to upload the MKV videos you want to merge.

Step 3Use the timeline to order your clips.

Step 4You may add filters, text, and transitions to improve your video.

Step 5Merge and download your finished video by clicking Done.

2. Kapwing

Kapwing is a reliable browser-based MKV joiner that allows exports with no watermark after signing in. It supports different video formats and lets you merge video files quickly using its drag-and-drop interface.

Step 1Go to kapwing.com and choose Merge Video under Tools.

Step 2Click Add Media for MKV uploads.

Step 3On the timeline, order, trim and adjust the clips.

Step 4Export Video will merge your MKV clips.

Step 5The combined video can be downloaded or shared online.

By Ben Carter on Nov 10, 2025