How to Choose the Best Free Online Video Converter

Hundreds of options are lying before you when choosing a video converter. However, this always makes you confused: How can I choose the best video converter? Which one is the right video converter for me? The following are some useful tips for choosing a good free video converter on Windows and Mac.


Some Requirements for Selecting an Online Video Converter

A free video converter only has limited functions. But you can find a free video conversion tool that handles most of the basic video conversion. Choosing a better free one often saves a lot of time and trouble. Here we list some basic factors you should consider when searching for a tool to convert videos to a different format.

Types of file being converted

The first thing you should do is to make sure the free video converting software can handle the type of file you need to convert. If the video is WMV, MOV, AVI or some basic file types, this can be easy. But if it is a unique one, you should pay special attention to its supported file types.

Type of output file

When you make sure this tool can convert your files, you should also consider whether the output format is the one you want. If your media player or portable devices are unable to play it, all you have done is in vain.

Conversion speed

A fast conversion is always preferred by users. No one wants a video conversion process takes almost 10 minutes or more. If it can support batch conversion, that would be better.

Output quality

Some video converters are really fast but the output file is disappointing. Video freezes, audio stops playing, screen turns red or green, and etc. These are common for some free video converters. Be careful when adjusting video size, bit rate and more settings.

Simplicity and user interface

One of the most important factors when choosing a video converting tool is its simplicity. The best program should have a user-friendly and straight-forward interface that can guide both skilled users and novices through the process easily.

Additional features

Sometimes a multifunctional video converter can be equipped with video editing features. You can cut the size or length of the video and add watermark or subtitles or more.

Of course, you’d better not expect too much about a free video converter. The best case is to find something that can be used for free while your needs are simple. If you have more complex needs, you may need to consider a more advanced video converter tool, which is likely to cost money.


Some Free Online Video Converters Recommended

According to the requirements listed above, we present 3 free online video converters that stand out from others.

Free Video Converter (from Tenorshare)


Tenorshare Free Video Converter offers an all-in-one video and audio formats conversion solution. It helps convert various video files such as MP4, MOV, MTS, AVI, FLV, MKV, so that they can be played on different devices. You can also set different video and audio parameters, select video encoder, and etc. Friendly interface and step to step user guide make it easy for users of different levels.


FormatFactory is an ad-supported freeware multimedia converter that can convert video, audio, and picture files. It supports the following formats: 3GP, MPG, MKV, FLV, AVI, MP3, JPG, PNG and more. It only supports Windows system.


Zamzar is a free online video converter service that supports most common video formats. The file formats supported are split into 5 categories: Document, Image, Music, Video and other formats. It is easy to use. Just visit the website, upload your original file, choose the format you want to convert your file to, and click Convert. Since this service is provided through a web browser interface, it can be supported on those browsers which run on Windows, Mac, and Linux.

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