“Hello. Would you please recommend me some video merger software tools to help me merge videos into one file? If possible, please show me some free video merger apps to do this. Thanks.” 

Merging files into one file helps you enjoy movies continuously. You don’t need to reopen your file library to add files into your media player to play back video files. Also, you could integrate several short video clips into one to reveal a full story. This guide would show you 5 best video merger software programs to help you merge files into one.

Part 1: 5 Video Merger Software to Merge Videos

Here we’ve collected and tested dozens of video merger apps, and finally come to a conclusion of 5 best video merger software apps for you. These include video merger online tools, and video mergers with no watermark. Check them below and choose the one you like.

No. 5: Video Toolbox

Video Toolbox

Video Toolbox is a free online video processing tool that could convert, crop, add watmerk, merge files up to 1500MB. It supports various popular formats like 3GP, AMV, ASF, AVI, FLV, MKV, MOV, M4V, MP4, MPEG, MPG, VOB, WMV, etc. You could use this online video merger tool to merge several files into one single video track.

No.4 Free Video Joiner

Free Video Joiner

With Free Video Joiner, you can merge several videos into one large video file. It is a powerful tool and easy to use, works fast and keeps the quality of video, supports video formats include: AVI ((Divx, XviD, MPEG4), WMV, MPEG (MPEG1 and MPEG2), MP4, MOV, DVD, VCD and other formats. This free video merger tool does not require any technical experience and is very easy to use, you just need click "Add" button to add your video files in same or different formats, then click "Join" button, you will get one single file of these video files. Free Video Joiner includes all video encoders and decoders; it can be used as AVI Joiner, MPEG Joiner, WMV Joiner, RM Joiner, MP4 Joiner and Movie Joiner.

No.3 AOA Video Joiner

AOA Video Joiner

AoA Video Joiner is a free video merger software tool that lets you easily merge multiple video clips of AVI, MPEG, MOV, WMV, Flash Video (FLV), MP4 and 3GP together into one large movie, even these video files are in different formats. This actually means that this video merger app program could convert video files.

No.2 Format Factory

Video Toolbox

Format Factory is an ad-supported freeware multimedia converter that can convert video, audio, and picture files. It is also capable of ripping DVDs and CDs to other file formats, as well as creating .iso images. It can also join multiple video files together into one. Format Factory supports the following formats: 3GP, MOV, MP3, MP4, AVI, FLV, MKV, M4V, MPEG, AAC, OGG, WMV, etc.

No.1 Leawo Video Converter

Video Toolbox

As its name suggests, Leawo Video Converter is actually a video converter program that could help you convert videos and audios between different formats. It supports hundreds of video and audio formats like MP3, MP4, AVI, MKV, FLV, MOV, M4V, OGG, AAC, WMV, FLAC, etc. The internal video merger app could help you merge all these video files into one big file in only one click. Taking it as the No.1 video merger is due to its multi-functional support. It could convert video and audio files, merge video files, edit video files, add 3D effect, apply image or text watermark, turn photos into slideshow video, etc.

Part 2: How to Merge Video Files with Leawo Video Converter

This part would show you how to merge video files with the best video merger – Leawo Video Converter. You need to firstly download and install this video converter on your computer. Get source video files ready and then follow the below steps to learn how to merge video files with this video merge program.

Step 1: Add source video files

Launch Leawo Prof. Media and then click the “Convert” button to enter the “Convert” module. Click the “Add Video” button to browse and add video files you want to merge into one file.

Add  files

Step 2: Merge video files

Click the merge button next to the big green “Convert” button. Then you will find that all loaded videos are merged into one big file.

Set  output format

Step 3: Choose output format

Next to the “Add Photo” button, click the button and then on the drop-down panel select “Change” option.

output format

Step 4: Adjust video parameters

Click the button next to the “Add Photo” button and then choose “Edit” option. On the popup “Profile Settings” panel, you could adjust video quality, video bit rate, video resolution, frame rate, audio quality, audio bit rate, etc.

Adjust video parameters

Step 5: Edit video files

After merging files into one, right click the first merged file on the “Convert” module, and then choose “Edit” button. You could trim AVI files to remove unwanted clip, crop video size to remove black margin, add watermark and 3D effect, etc.

Edit MKV  files

Step 6: Set output directory

Then on the main interface, click the big green “Convert” button. Set output directory in the “Save to” box on popup sidebar.

Set output directory

Step 7: Convert files

Finally, click the bottom “Convert” button on the sidebar to start to convert merged files.

Convert MKV to Samsung Smart TV

After converting, you will get one big file from multiple loaded video files. You could then freely enjoy the merged files as you like.