FLV, the abbreviation of Flash Video, is a kind of burgeoning web videos format. Due to its small size and fast loading speed, many famous video sharing websites like YouTube, YouKu, etc adopt FLV format to provide videos. When you have downloaded multiple FLV video clips from YouTube or other websites, you might would like to mix them together for the convenience of viewing. To flexibly satisfy this requirement, 4 technical FLV joiners are listed below.

Part 1. Why Choose Joyoshare Video Joiner

Joyoshare Video Joiner for Windows and Mac is really a comprehensive and convenient program that fully supports lots of file formats including FLV, F4V, HD,4K, MP4, M4V, M4A, DV, MPEG, FLAV, WMA, and more. Besides acting as a perfect video joiner, it is also a video editor on account of the built-in advanced editing tool with it. That means you have the permission to personalize and enhance your FLV files as you require prior to merging them.

What else calls for attention is the two combing modes (high-speed mode and encoding mode) it takes. With high-speed mode, you can realize losslessly and quickly joining unlimited FLV files. Under encoding mode, you are able to merge files in various formats without gap and customize your chosen output format.

The Advantages of Joyoshare Video Joiner:

Merge FLV files without any quality loss

Allow you to extract audio from any videos

Support real-time preview and cutting videos

Can rename files and rearrange the order of videos

Part 2. How to Merge FLV Files via Joyoshare Video Joiner

After getting intuitive and systematical information about Joyoshare Video Joiner, below talks about how to operate it.

Step 1Run Joyoshare Video Joiner and add FLV files

First of all, get into Joyoshare website to download the installation package of Joyoshare Video Joiner. After downloading, install and launch it on your computer. Then you should import FLV files to the video joiner. Two ways to do it: click "Open File" to choose or directly drag them into the program (more conveniently).
upload flv files to joyoshare video joiner

Step 2Pick a merging mode and export format

The program features two merging mode - high-speed mode and encoding mode. You need to press on "Format" choose one according to your own situation. The high-speed mode is only for losslessly merging files of the same format at 60 X speed. The encoding mode is for users who need to join files in different formats and want to customize files.
Note: Under the encoding mode, users have the ability to customize video parameters like resolution, bit rate, codes, etc with the help of a gear icon beside the selected output format.
choose merging mode and output format

Step 3Remove something undesirable parts

Once finished choosing mode and format, simply tap on "OK" to go back to the main interface. Then double-click these FLV files one by one to preview them. You can move the timeline to cut needless sections off your FLV videos. In addition, renaming and rearranging these video files can also be realized in this step.
cut flv files

Step 4Edit FLV files (optionally)

With a built-in editor, the program allows you to freely and flexibly enhance your FLV video files by clicking "Edit" next to every file before joining. For instance, you can trim videos frame by frame, change aspect ratio, capture a screenshot, adjust brightness, add cool effects, insert subtitles and watermark, etc.
Note: This step is not necessary for everyone but only for people who choose the encoding mode as the merging mode.
edit flv files

Step 5Merge FLV files into one

Eventually, what you need to do is just touching "Convert" to let Joyoshare Video Joiner start mixing these FLV files together. The merged file will be saved in the local converted file.

Part 3. Recommendation for 3 Easy FLV Joiners


To provide more choices for users to merge FLV files, the other 3 simple-to-use and helpful video joiners are recommended below.

Andy's FLV Joiner

As a very easy-to-operate flash videos joiner, Andy's FLV Joiner is nicely compatible with different FLV formats covering VP6F, H264, FLV 1, and H263 as well as dealing with VFR files without synchronization problems. With it, merging FLV files without quality loss can be done with a few clicks. Notably, it is better to apply this desktop FLV joiner to merge files with the same properties and codec. Otherwise, there will be something wrong with the merged file.
andys flv joiner

Free Video Joiner

Another program for merging FLV files is named Free Video Joiner. It is a freeware with the user-friendly interface. Whether beginners or the experienced, handling this video joiner is as easy as pie. Except for supporting FLV files, it is also compatible with MP4, AVI, MPEG, WMV, and many other formats. By the way, Free Video Joiner is to adopt lossless techniques for video merging.
free video joiner

Ultra Video Joiner

Ultra Video Joiner is free and useful joining software on Windows that can merge unlimited FLV video files into one file without impacting the original quality. More than FLV format, it is also capable of working with AVI, DivX, MPEG, WMV, DAT, and ASF format. Equipped with basic editing feature, it makes you adjust the order of files and further edit FLV files according to your preference.
ultra video joiner

author

Feb 12, 2020 4:30 PM

Posted by Jessica Brown to Join Video

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