Filed Under: How to Convert

FLV2MP4 Converter: The Easy Solution for Converting FLV Files to MP4


Written by Janice

Affiliate Disclaimer: If you purchase through links on our site, we may earn an affiliate commission at no additional cost to you!

FLV is one of the most popular file formats technology enthusiasts use.

This article will discuss the FLV2MP4 converter process and present its easy-to-use programs for the task.

Why Convert FLV2MP4?

The FLV file format is used mostly for wrapping media files to make use of them on the Internet.

The media files, which are mostly on hand on the Internet for downloading and online streaming, are mostly in the FLV format.

It is simple and has an easy-to-download and upload ability, making it the primary choice for users. FLV is considered mostly as Flash Video.

Flash video has two formats:

  • FLV supports a small web format
  • F4V deals with mostly iOS-based data files.

The MP4 format can also carry files similar to the FLV format. Though they share a few basic performing tasks and features, both MP4 and FLV have some distinguished features.

More often than not, there is a good need to alter files from their on-hand FLV format into a more attuned MP4 format. Previously, FLV had held a known place on the Internet in favor of video formats because of Adobe Flash’s plug-in availability.

Nevertheless, with developments in browser know-how and the Flash plug-ins, FLV began to lose its place. Nowadays, video hosting services rarely bring FLV into play and have resorted to MP4 as the fresh video format standard for the Internet.

Is FLV better than MP4?

The MP4 format provides its users with high-class video content and the availability of compression, reducing the file size. Consequently, the requirement for an apt FLV2MP4 Converter is the need of the hour.

Three Ways to Convert FLV to MP4

1: Wondershare UniConverter

Wondershare UniConverter can be downloaded from their official website. The app can be used for both Mac and Windows.

It can convert to assorted video formats, MP4 being one of them. The altered file format can be exercised with diverse devices like Samsung, Apple, etc. There’s no quality loss or additional enhancements for the converted media file.

Moreover, this converted file works at a pace that exceeds all other media converters by thirty times.

Wondershare UniConverter Key Features:

  • Can convert FLV2MP4, Video2Mp4, MKV, AVI, MOV, and more than 1000 other formats directly.
  • It can burn FLV files to the DVD for playing with the DVD player at 30 times faster speed.
  • Provides optimized alteration presets for iMovie, Final, and iDVD.
  • You can edit videos using its sophisticated video editing features like adding watermarks, trimming, cropping, subtitles, et cetera.
  • Download video files from YouTube and more than 1000 video-sharing websites.
  • Can be Supported on Windows NT4, 2000, 2003, XP, Vista, 8, 7, and 10 (64-bit and 32-bit), Mac X 10.11(El Capitan), 10.12 (Sierra), 10.13 (High Sierra), 10.14 (Mojave), 10.7, 10.8, 10.9, 10.10,
YouTube video

How Do I Change an FLV File to MP4 by UniConerter?

Step 1: Downloading and Open the application

After completing the installation procedure after downloading the FLV2MP4 converter from the site, launch the app on the PC.

At this spot, users are counseled to study the program window.

Step 2: Adding the FLV file to the application

Drag your preferred FLV file for converting from your PC. The improved Wondershare UniConverter interface lets you drag the file directly to the app.

Otherwise, the simple option of uploading can also be used.

Add FLV Files to Convert
Step 3: Editing the FLV file (Optional)

You can choose the edit button below the video to modify your video source as soon as the media file is included in the app (it may take some time based on the file size).

The interface for editing is rather user-friendly and can be used for adding stunning video effects.

Editing the FLV file
Step 4: Converting FLV2MP4

When you’ve saved your changes, tap on the convert icon. Ensure that your output option on the right column is MP4. You can surf through some further output formats too.

Wait until the conversion procedure is completed. The output video will be saved in the specified location on the interface bottom.

Converting FLV2MP4 using UniConverter
Converted MP4 Files

2: Free-Of-Cost Converter for FLV2MP4

The free Wondershare Video Converter app lets you convert video files into any desired format at high speed. With ample features and clarity, this remarkable converter can be easily downloaded and installed from the site.

Furthermore, this converter has a wide range of features, which allows its users to test their video format conversion tasks.

Wondershare Video Converter Free Key features:

  • Offers speedy conversion speed, outshining many other converters in the industry.
  • Produces first-rate output files.
  • It has a single option for YouTube video downloads incorporated into the converter.
  • Let users make modifications using its editing tools and interface.

Step 1: Launch the app on the PC after completing the download and installation procedure. Now, it is suggested to take some time to get used to the program.

Wondershare Video Converter Free

Step 2: Now upload the preferred video for converting. The program interface lets you drag the file directly to the interface without the hassle of choosing it from a particular folder. Nonetheless, the substitute option is also made accessible.

Convert FLV to MP4

Step 3(Optional): when you’ve uploaded the file to the app (time is dependent on the video size), you can select the editing toolkit, which lets you add numerous effects to the video. This editing tool is rather straightforward and allows for video enhancement as well.

Edit FLV Files

Step 4: As soon as you have saved your changes, choose the preferred output format (MP4) on the right, and kick off the conversion procedure by tapping on the ‘Convert’ icon.

Now you can easily track the development of your file conversion in the app.

Convert FLV to MP4 using Free Video Converter

3: Online Free (Cloud-Based) FLV2MP4 Converter

The Online FLV2MP4 Converter option proves to be a useful one for having basic needs for file conversions. These online apps are cloud-based and require no prior downloading or installation process. One such well-liked online cloud-based converter is the Convertio software.

The program is compatible with Windows plus Mac systems and maintains a wide array of conversion file formats. The app allows adding files from the URL, Google Drive, Dropbox, or PC.

A maximum file size of up to 100 MB can be easily uploaded to the program interface for alteration. Numerous files can be effortlessly added to the converter, which can then be saved to the PC, Dropbox, or Google Drive after converting.


Step 1: Access on the browser of your PC.

Step 2: Insert FLV files from the PC, Google Drive, or Dropbox into the program’s interface.

Step 3: Tap on ‘Convert’ to start the conversion procedure.

The link for downloading your converted media file will be accessible on the software interface for downloading a file. You can acquire your preferred file using only some simple steps of the free FLV2MP4 converter.

Limitations of this method: Online converters are easy to use and free, but the answer is not as proficient as the desktop programs, such as UniConverter.

Listed below is a table showing the contrast between Convertio and Video UniConverter.

Features of ProgramUniConverterConvertio
Sustained formatsCompatible with over 1000+ formatsSupports regularly used formats
Speed of ConversionSuper fast, i.e., 30 times fasterStandard speed
Uploading file size limitZero limitationsGreatest size up to 100 MB
Editing propertiesSupport editing facilities like cropping, trimming, etc.Zero-supported editing features
Video downloadingAllows video downloading from over 10,000+ sitesDoes not maintain video downloading
Transferring converted video files to devicesPermits video transfers directly to Android and Apple devices.Not applicable

More Knowledge of the MP4 and FLV Format

File ExtensionMP4FLV
CategoryVideo FileVideo File
DescriptionThe MP4 container format is used for storing subtitles, audio, and video data. As stores like iTunes exercise this format and are used with PlayStation (PSP) and iPod, it is a trendy format.(FLV, F4V) Flash Video is a container format for delivering video all over the web via 6-11 versions of Adobe Flash Player. The content of Flash Video can also be rooted within the SWF files. Two video file formats are applicable in Flash Video: F4V and FLV. The video and audio data within the FLV files are similarly encoded within the SWF files.
Associated appsApple QuickTime Player
Windows Media PlayerApple iTunes

Flash Player
Real Player

Created byMoving Picture Experts GroupAdobe Systems
MIME TypeVideoVideo/x-flv

Also read: How to fix FLV video files that are corrupted.


1. Is it safe to use online FLV2MP4 conversion tools?

  • While many online conversion tools are safe, it’s always important to use reputable sites and check the site’s privacy policy before uploading any files.

2. Does converting FLV to MP4 result in quality loss?

  • If done correctly, there should be minimal quality loss when converting FLV to MP4.

3. Are there any free software tools to convert FLV to MP4?

  • Yes, there are many free software tools available, like Handbrake and Freemake Video Converter.

4. Can I convert FLV to MP4 on my smartphone?

  • Yes, there are several mobile apps available for both iOS and Android that can convert FLV files to MP4.

5. What if the audio and video are out of sync after conversion?

  • This issue can occur with some tools. If it happens, you can try using a different conversion tool or adjusting the settings before conversion.


The FLV2MP4 conversion is straightforward and can be done by anyone, regardless of prior tech knowledge. In such FLV2MP4 conversions, Wondershare UniConverter is an ideal program for use.

You can just download and use their free trial versions to allow the apps to solve your task sooner and without difficulty. These programs serve as apt FLV2MP4 Converter programs and can be used for accessing further file formats.


Does Home Depot Take Apple Pay

Does Home Depot Take Apple Pay for Your Purchases 2024?

Does Home Depot accept Apple Pay in any of its outlets? If not, what other payment methods can you use to ...
People Can't Hear Me on My iPhone

[Fixed] People Can’t Hear Me on My iPhone

Do you also complain that people can’t hear me on my iPhone? Has this been a frequent issue with your ...
LibreELEC vs OpenELEC

LibreELEC vs. OpenELEC (Unbiased Comparison & Reviews)

Both LibreELEC and OpenELEC are operating systems that were used with Kodi. Kodi boxes didn’t support much hardware at the beginning. During ...
Your Mastodon Instance