How to Convert FLV To MP4?

This blog post explains FLV and MP4, their fundamental differences, and how to convert FLV to MP4 for free. Let's get started with the FLV video format.
flv to mp4

When it comes to video file formats, the most popular video container formats are MP4 and FLV. Both are best for online video streaming, but professional videographers prefer to switch from FLV to MP4 because all devices support MP4.

Easily Convert FLV to MP4

  • <span style="background-color:rgb(255,255,255);color:rgb(0,0,0);font-family:&quot;Arial Normal&quot;, Arial, sans-serif;">Convert, compress, and edit 1000+ video formats for any device with no quality loss.</span>
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How to Convert FLV to MP4?

UniFab FLV to MP4 converter converts FLV amine files automatically in three steps:

Step 1: Install and Lunch UniFab Software

To convert FLV to MP4 first you need to install and set up UniFab Video Converter to your PC. Download and lunch application to use.

UniFab Video Converter Interface

Step 2: Add FLV Video & Choose Format

Add your FLV video to UniFab AI Converter using 'Add' button and choose the 'MP4' format from ‘Format’ tab. Next click 'Start' button to initiate the conversion process.

convert flv format to mp4 steps

Step 3: Download Your Lossless MP4 Files

The file conversion speed is fast enough, within seconds you can have your playable MP4 files which you can download by clicking on the 'Download' button.

Tip: You can customize your source videos using customization tool. 

In the “Advanced Settings” you can edit audio tracks, captions, streaming, aspect ratio, brightness, and subtitle before clicking “Start” button.

What's the FLV Video Format?

FLV is an older video format for Flash Video and appears with the extension 'flv.' The FLV format was created to deliver synchronized audio and video files, an Adobe Flash player, and streaming videos online. Adobe Systems made the FLV file in the 2000s. This video format supports older codecs like On2 VP6, Sorenson Spark (video codecs), and MP3 for audio files. Flash videos are mainly used on the Internet and by media players. For example, YouTube Player is an old software or system that is still used because of its high-quality video content on the Internet. Adobe Flash player can run all data types, including video files, audio, streaming videos, and text. These FLV videos can be opened in other media players, such as VLC on PC, PlayerXtreme, and Adobe Flash Player, for only subscriptions.

What is the MP4 Video Format?

MP4 offers high-quality video content and supports Flash video. It is also called MPEG-4 Part 14. The first version of MP4 was released in 2001. MP4 is a multimedia file format that stores Flash video, video audio, and streaming videos or subtitles. It provides high-rate compression and high video quality but is dissipative. That is why it is widely used on the Internet for streaming videos. MP4 is a popular compressed format as it requires less storage space. MP4 is a universal format that supports all media players and iOS devices. It also stores different types of data in MP4 format whenever they are not encoded in the MP4 format code.

Difference Between FLV and MP4 Format

flv to mp4 converter

You have an idea about the basic information of FLV and MP4. The following detailed differences between FLV and MP4 will be easy for you to understand. In this part, we have compared FLV and MP4. See the differences between FLV and MP4 format.

Video Parameters

FLV

MP4

DeveloperAdobe SystemMPEG
File Extensionflv.mp4.
File SizeCommonly, it provides large file sizes because of less compressionBecause of compression, its size is small.
QualityFLV video format provides the best video quality.Good quality, but degrades significantly when compressed.
Editing & ManipulationAs it is an old software, it is limited to editing toolsUsed by different video editing tools.
Special FeaturesIt allows people to play back the video over the internet with a progressive download.It is widely used for flash video or audio file formats.
Audio & Video CodecsIt supports older codecs like On2 VP6, Sorenson Spark (video codecs), and MP3 for audio filesSupported codecs are H.265/HEVC, Theora, H264, VP8, VP9, and AV1.
Compatible DevicesIn most modern browsers and mobile devices, FLV files can no longer be played natively because mobile devices do not support it.Compatible with ios devices, browsers, and media players
SecurityFLV is associated with Adobe Flash Player, which was discontinued in 202, so it doesn't provide any securityProvide high security.
Supported Media PlayersDVDs, VCDs, Audio CDs, and other streaming protocols.All media players support it.
StreamingThe size of the flv video is small in size and is preferred for short online videos.Best for streaming videos
Maximum Resolution1080x19202048x2048
Current usageStill used but not popular nowadaysWidely used for all kinds of videos.

Best FLV to MP4 Converter Recommend

UniFab Video Converter

If you are FLV, amine files are not playing smoothly on media players and mobile devices. It would help to have an FLV video converter to convert amine FLV to MP4. You don't need to worry because we will solve your problem with the best tool, the UniFab Video Converter. This efficient video converter can convert over 1000 video formats such as FLV, AVI, MP4, MKV, and WMV quickly and efficiently. You can convert any video with our FLV converter to watch your favorite video on your mobile device anywhere.

Easily Convert FLV to MP4

  • <span style="background-color:rgb(255,255,255);color:rgb(0,0,0);font-family:&quot;Arial Normal&quot;, Arial, sans-serif;">Convert, compress, and edit 1000+ video formats for any device with no quality loss.</span>
Free Download

Pros of UniFab FLV to MP4 Converter

Extensive Format Support: Supports over 1000 video formats.

High-Speed Conversion: Enables rapid and efficient video transcoding.

Mobile Device Compatibility: Facilitates seamless video playback on mobile devices by converting videos to compatible formats.

Compression: Reduces video file size while maintaining high quality.

Trimming: Enables precise video editing by allowing users to cut unwanted portions or divide videos into segments.

User-friendliness: Intuitive interface makes the software accessible to both experienced and novice users.

FLV Anime Optimization: Recognizes time values within FLV anime files, accelerating conversion and compression processes.

Hardware Acceleration: Leverages GPU technologies (NVIDIA CUDA, AMD, Intel Quick Sync) to significantly boost conversion speeds, achieving up to 50 times faster processing compared to traditional methods.

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