Best Fast AVI Joiner to Join Multiple AVI Files into One with No Quality Loss on Windows 10/8/7 or Mac

Best AVI joiner to join multiple AVI files into a new one at a time with original quality on PC/Mac.

Q 1: I want to join two small AVI files without degrading the quality. I've tried some video joiner programs but none of them could output an optimal quality, the output video quality is severely degraded, especially after converting it to Flash for YouTube. Does anyone know of a good AVI joiner program that can join AVI files without ruining my movies? ----From RknRusty
Q 2: Is there a nice program to join and cut AVI movie files perfectly? ----From Rodrigo

Best AVI joiner to join multiple AVI files into a new one at a time with original quality on PC/Mac.

This article mainly discusses about how to use a professional reliable AVI joiner program to fast join AVI files with original quality. To some extent, this recommended AVI joining software is a combination of AVI joiner, AVI cutter and splitter, AVI editor, AVI converter, enabling you to join multiple AVI video files into a large AVI file or other different video formats you prefer. It also acts as a MP4, WMV, MOV, MPEG, FLV, etc. video joiner.

Top-recommended AVI Joiner to Join or Merge AVI Files on Windows 10/8/7 or Mac

As for joining 2 AVI files into one or combining multiple videos into one larger file, Winxvideo AI is highly recommended for you. This professional all-in-one video joiner, video editor and video converter allows users to join more than two video files into one and keep the original quality. 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 technologies including world's most advanced Intel QSV, Nvidia CUDA/NVENC, AMD, etc.

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, video resolution, bit rate, aspect ratio, etc.

2. This top video editor allows users to add subtitles/effect/watermark, crop or expand video, trim/cut video/split 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, FLV, MOV, iPhone, iPad Air/Pro/Mini, Android, and 420+ preset profiles.

4. This powerful AVI joining software also allows you to batch download any video/movie/music from YouTube, Dailymotion and 1000+ sites and convert them to AVI file or other.

AVI Joiner User Guide: 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 and install Winxvideo AI on your PC or Mac, 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 "Video Converter" button. Then click "+ 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. Click the Cross icon to delete any unwanted file or click "Clear" button on the top tool bar to delete all added files once.

Step 2: Set AVI or other desired format as the output profile.
In the Target Format window, choose any output format you want the joined video to be and click "OK". Winxvideo AI provides you 370+ built-in video & audio codecs and 420+ 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" button. Set a destination folder to store the joined AVI file and hit "RUN" to start the AVI video joining task. Seconds or minutes later, you'll get a new AVI file with original quality.