Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: I want to join 2 small AVI files without degrading the quality

26 Jul 2011   #1

Windows 7 Home Premium - always up to date
I want to join 2 small AVI files without degrading the quality

I'm making videos of my model stunt airplane with a Samsung camera that records pretty good 720P AVI files. It moves very fast so I have to have decent quality just to follow the action. I tried Free Video Joiner and it's easy to use but it severely degrades the quality. Their home page says "Quickly join and without any quality loss... join AVI, WMV, MOV, MPEG, MPG files." But the output file is severely degraded. For example, I joined a 438 MB and a 330 MB AVI movie and the output file was a blurry 62 MB AVI. It wasn't worth using, especially after converting it to Flash for Youtube. Maybe I need a better program for that too.

Does anybody know of a good freeware program(s) that will do this without totally trashing my movies?


My System SpecsSystem Spec
26 Jul 2011   #2

Microsoft Community Contributor Award Recipient

Windows 7 x64

I've had similar issue I can cut/convert no problem but pasting the snips back into something has been a pain. Everything seems to entail the negative affects you are experiencing. Power director did okay I suppose, but the app and interface seemed to be fluffed to make it look prettier I just want something quick and easy. Would be extra awesome if it supported at least basic transitions.
My System SpecsSystem Spec
27 Jul 2011   #3

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit Service Pack 1

Not strictly a joiner but a fast converter which has facilities to join files. Freemake | Best Freeware Alternatives To Paid Video Software. It can also create your YouTube upload.
My System SpecsSystem Spec

27 Jul 2011   #4

win7 ultimate 32bit

I use QuickMediaConverter to convert the .avi files to .wmv files

Quick Media Converter HD 100% Free - FLV AVC Encoder (Advanced Video Codec High Definition) - HD VIDEO Converter - Quick Media Converter - FAST Youtube FLV Video Converter- Mediaconverter - Full HD AVI DIVX XVID DVD MPEG MPEG2 MP4 MPEG4 MKV MOV QT HD

I use the resize function and set the frame size to match the .avi frame size--then I use 'windows movie maker' to combine/edit the .wmv files--then save movie at the same frame size

my reference to frame size is for example-- 1280x720, 640x480, etc--you should be able to right click the .avi file-select 'properties'--then the 'details' tab to see the frame size.
My System SpecsSystem Spec
27 Jul 2011   #5

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit

Take a look at Machete Lite.

It does not re-encode when editing and works on AVI and WMV files. You should be able to do a simple join of the two files. In my experience, there is no quality loss.

Machete Video Editor Lite - Free Video Editor

It is free.
My System SpecsSystem Spec
27 Jul 2011   #6

Windows 7 Home Premium - always up to date

Thanks for the replies. I'll post back and let you know what I tried.
My System SpecsSystem Spec
27 Jul 2011   #7

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit Service Pack 1

Please do.
My System SpecsSystem Spec
27 Jul 2011   #8
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

You can also try with Windows Live Movie Maker. The output quality is pretty decent - not like the old WMM. But Machete that was recommended earlier is the ultimate because it is a lossless editor. There are some restrictions though - all specs of the pieces must be the same. And even the Pro version that I use is pretty cheap - only $40.
My System SpecsSystem Spec
27 Jul 2011   #9
Borg 386

Win 7 32 Home Premium, Win 7 64 Pro, Win 8.1, Win 10

Here's a site where you can find a variety of video editing tools: Download free DVD, iPod, YouTube video converter and editor software and freeware

I don't have any experience with them and you should be aware that they install Open Candy, something that came up on my firewall while I was installing one of them. Easy enough to block, but just be aware of that fact.
My System SpecsSystem Spec
27 Jul 2011   #10

Windows 7 Ultimate 64bit

you can use this program,
VirtualDub download (at SourceForge) -
I just tested it myself and it works.
Load up the first clip and then in the File Menu choose Append Segment and select the next clip. you can keep appending more clips if you like.
Under Video and Audio make sure Direct Stream Copy is selected.
then go to File, and Save as Avi and choose a new name and you are done.

I just tested the latest version on another pair of files and it works just fine.
My System SpecsSystem Spec

 I want to join 2 small AVI files without degrading the quality

Thread Tools

Similar help and support threads
Thread Forum
Video Playback Quality is Degrading
Hello, I don't know if this is a graphics card issue or not but thought this section was the best place to start for help. I have a 4 year old laptop with everything up to date and here are my specs: Windows 7 Professional SP1 32-bit Intel Core i5 CPU M 520 @ 2.40GHz NVIDIA NVS...
Graphic Cards
Question about getting best quality files off a CD
so i have a really high quality CD with .cda files on it. windows media player lets me rip them as WAV and high quality mp3s at 192kbps. can these .cda's be ripped to anything genuinely? like if i had a program that could rip to FLAC, would it really be FLAC? i know you cant convert these...
Sound & Audio
Join Subtitles to Files... Without the need of transcoding.
Hi guys! I got a problem... I need to join subtitles so it can be displayed on the 360 while using Media Center. No, transcoding is not an option. I just want the Media Center detect my .srt files while playing .mkv files. Any ideas? Thanks :p
Media Center
Windows 7 unable to Join 2003 Domain, offline Join erro
Hello to all, I have a Windows 7 Professional Version 6.1.7600 Build 7600 Every time I try to join the 2003 server Domain, I got the error attached in the post. Im not trying to do a offline joint, the W7 can ping the domain IP, and can resolve the domain name. I hope anyone can help me...
Network & Sharing
Tool To Join AVI Files
Hi ! I ripped 3 old cds containing the three parts of an old movie. Now I tried to join them together using AVI Demux. But the end result turned in a mismatch in video and audio (audio & Video bitrates are the same in all the three). I Followed : Open the first part, append the subsequents,...
Music, Pictures & Video
can join and see homegroup, but can't share files
this problem just began happening mysteriously, well, today. I googled a bit, trying to fix it; I don't want to sidetrack the discussion, but needless to say I found nothing that seemed to address my problem directly. so I have a PC and a laptop. Both computers can see each other, but only...
Network & Sharing

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 18:49.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App