"Do you know a way to convert FLV to MP4 (while preserving video and audio track, i.e. NOT transcoding)? I didn't find anything in the tool section. Thank you." -- from forum.videohelp.com

How to convert FLV to MP4 without losing quality? Some people may find that the solution to this general yet the perennial problem is no easy task. However, where there's a will, there is a way, as the saying be. If you want to solve the problem of converting FLV to MP4 with the best output quality. Then you may need to try different kinds of methods by yourself and find your ideal option. It's really time-consuming. So, here I would like to list some effective means for you to make the choice.

Free Video Converter

When it comes to free video converting program, VideoSolo Free Video Converter would come upon us at once. In fact, the amazing video conversion application does really offer the help of converting FLV to MP4 with the best output quality at the high conversion speed.

Unlike some other free video conversion service online, VideoSolo Free Video Converter could also provide users with the powerful function for adding titles. Moreover, you could run the program offline once you've downloaded it on your computer. Since that the program could support batch conversion, you could convert video files as many as possible at a time. VideoSolo Free Video Converter could really offer the wonderful experience with the satisfactory result.

Surely, if you want to accomplish the converting job online without any downloading job, then one such useful free online conversion service would be your ideal option.

Free Online Service & Open Source Software

Online Converter - Zamzar

Luckily, you may find a wide variety of free online conversion service, yet here I would like to recommend you the best one. Zamzar is such one kind of wonderful online service. Zamzar is believed to be popular and totally free online converting tool for you to convert FLV to MP4 online free easily.

All you need to do is to upload your FLV video files that you want to convert and let the useful online tool do the rest. The only shortcoming of Zamzar is a little low conversion speed if you happen to have large video files that you want to convert.

Zamzar Convert FLV to MP4

Open Source Software - VLC Player

Here I want to introduce one open source software for your reference. You've certainly heard of the VLC media player, as it is one of the most famous free multimedia player. But, do you know that VLC player can also act as a video converter?  Here, I would like to show you how to convert FLV to MP4 with VLC media player. Now, see the detailed steps below.

Step 1. Active Open Media Window

Free download and open VLC Media Player to show the main interface. Click "Media" at the top menu > "Convert/Save." in order to activate "Open Media" window. And then click "File" option.

Launch VLC Open Media Window

Step 2. Add FLV Files

Click "Add" to transform the FLV files that you want to convert, and then click "Convert/Save" to enter into the "Convert" window.

Add FLV Files

Step 3. Choose the Output Profile & Output Folder

You could choose MP4 as the output format from the "Profile" drop-down list. And then click the "Browse" icon to find an output folder to save the converted files.

Set Output Profile and Folder

Step 4. Start to Convert

Finally, you could click the "Start" button at the same window to start the conversion process. After the conversion process is finished, you could find the converted files in the output folder that you've selected before.

Start Convertting FLV to MP4

From the points above, we could view that each of the video conversion tools has its own pros and cons. You could choose one of them as you like. Surely, if you pay great attention to the output quality, then VideoSolo Video Converter Ultimate could be the most effective and best means to convert FLV to MP4 while keeping its original quality.

How to Convert FLV to MP4 Without Losing Quality?

VideoSolo Video Converter Ultimate is the best video conversion program that I've used to do the conversion from FLV to MP4 without any quality loss. More to the point, the program would also support downloading Youtube videos in the FLV file format directly.  The wonderful application could also offer some other surprise for you. Just download it free by clicking on the downloading link. Launch the program directly on your computer. And then you might need to follow this detailed instruction below.

Step 1. Import Source FLV Video

Firstly, you may need to input the FLV videos on your desktop by clicking "Add File" button.

Input FLV Videos

Step 2. Select the Output Format

If you want to select the output profile, then you may need to click on the "Profile" icon where there's the pop-up window in order to choose MP4 under the "General Video" icon.

Select MP4 as Output Format

Step 3. Begin to convert FLV to MP4

Last yet also important step is to start the conversion process by clicking the "Convert" button. The wonderful program could also allow to view the whole process of FLV to MP4 conversion clearly. Just wait for several minutes or even several seconds, you could get the final converted video files.

Convert FLV to MP4

The result video files with the best output quality are there for all to see. Without the doubt, VideoSolo Video Converter Ultimate could be the best option for you to convert FLV to MP4 without any quality loss. The program had won a good public praise.  Just download it free and have a try.