Join AVI Files into One on Windows 10/8/7 or Mac

Outline: Have multiple AVI files and want to merge them into one? It's a piece of cake foriFastime Video Converter Ultimate.

AVI (Audio Video Interleave) is a multimedia file format used to create and play back movies. You can merge AVI files to join multiple short clips and create 1 final full-length video. There are many tools that allow you to join AVI files to one, but which one provides the best quality and faster speed?

Here provides you one powerful program that allows you to join AVI files qucikly and perfectly - iFastime Video Converter Ultimate (Mac), which can automatically merge AVI files together with or without transitions. You can add several (AVI) video files at a time and merge them into a new single file as AVI, MP4, WMV, FLV, MOV, H.264 or other formats at No.1 fast speed thanks to its multi-core CPU and hardware acceleration technologiesIt joins videos one after another, all in 1:1 quality.

Need to mention about this stellar AVI video joiner:

1. Before joining AVI files, this video merger lets you freely customize the video audio parameters like video audio codec, frame rate, resolution, bit rate, aspect ratio, etc.

2. Click the "Edit" icon to add subtitles, crop or expand video, trim/cut/split the video to get a desired part to merge with this all-round video joiner and cutter.

3. Join more than one video file into one and convert the video to preferred format/device, like convert AVI to MP4,MPEG, FLV, MOViPhone 6S(Plus)iPad Pro, Samsung Galaxy S6, HTC, and 410+ preset profiles.

4.This powerful AVI joining software also allows you to batch convert any video in any format to AVI, like Blu-ray to AVI, AVI to M4V, DVD to AVI, 4K AVI to Apple Prores, etc.

How to Join AVI Files in 3 Simple Steps on Windows/Mac?

Before starting to merge AVI files into one, you can first free download, install iFastime Video Converter Ultimate on your PC (Windows 10 included) or Mac (free download Mac version), and then follow the simple steps below to join multiple AVI files together with ease.


Step 1: Add the AVI files into the AVI joiner program.

Launch the AVI combining software and click "Add Video" button on the top-left to import the original AVI files you want to merge, or just find and drag the videos into the main interface. You can batch select and add several videos at a time. 


Step 2: Set AVI or other desired format as the output profile.

In the output profile window, choose any output format like .mp4, .avi etc you want from Common video, HD Video or "Format". iFastime Video Converter Ultimate provides you 250+ built-in video & audio codecs and 300+ preloaded profiles for you to choose. Editing the video is also accessible.


Step 3: Merge multiple AVI files into one.

After all settled down, remember to tick "Merge into one file" button. Set a destination folder to store the joined AVI file and hit "Start conversion" to start the AVI video joining task. Seconds or minutes later, you'll get a new AVI file with original quality.

Have more questions about how to ioin AVI Files into One on Windows 10/8/7 or Mac, please feel free to contact us>> or leave a message at Facebook.

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Comments: 27
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    Idealshare VideoGo is the best choice for merging FLV files, which can join several FLV files into one FLV or directly join FLV into one MP4, merge FLV to MP3, merge FLV to AVI, merge FLV to MOV, MPG, DV, MKV, H.265, WebM. You can find it at

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    You may also try this method to merge 2 or more AVI files
    This method also helps to merge MP4, MOV, WMV, MPG, MP3 etc

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