FLV vs. MP4: Which One is Better

Comparing MP4 vs. FLV and choosing one depends on your needs. This piece of content will provide you with a detailed analysis of these two formats and how to convert between FLV and MP4 with the best video converter.

Page Table of Contents

Jane Zhou

Updated on Aug 22, 2023

0 Views | 0 min read

There is an overwhelming variety of video file formats to choose from, so deciding the best format for you might be difficult. FLV and MP4 are two of the most popular file formats, but which one is better than the other, and how?

Although FLV and MP4 appear to be very parallel, they each have their own set of pros and cons. Even if you haven't used them, you will probably come across them regularly.

This article covers FLV vs. MP4 that will help you decide which is best for you. Moreover, a bonus tip explains the conversion between these two formats with EaseUS Video Converter at the end of the article.

EaseUS Video Converter

Best video & audio converter to convert multiple files without quality loss:

  • Support more than 1,000 media file formats
  • 30X faster conversion speed
  • Adjust audio or video parameters flexibly
  • Support HD, 2K, and even 4K resolution

Trusted by TechRadar, Fstopper, etc.

FLV vs. MP4: What's the Difference

Moving Picture Experts Group developed MP4, also known as MPEG-4, as a video file format that employs independent compression for video and audio files. It uses MP4 video encoding to compress video and AAC for audio file compression. In essence, the MP4 is a container format that can store audio and video content by digitally encoding the data. The MP4 file extension is the sole official file extension for the MP4 file format.

Flash Video File (FLV) is an Adobe Systems format with a short header, video, metadata packets, interleaved audio, and data saved in comparable formats (.SWF) files. Flash Video is a container for video streams embedded in Adobe applications. It plays with the help of the Flash plugin.

Let us see what we can find out in MP4 vs. FLV!

Comparison FLV MP4
Compression Lossy Lossless
Battery consume more battery than MP4 consume less battery than FLV
Quality Good Better
Size Small Large
Codec VP8 H.264
Compatibility Can be played on web browsers, not mobile phone browsers Any platform or device

When to Use FLV or MP4

The ease of use, quality, and adaptability of the MP4 file format is significantly advantageous; that's why the file format is widely used. MP4 is the format to choose if you wish to view the video on portable devices like media players and smartphones.

On the other hand, FLV is an excellent choice for uploading and sharing videos on the internet. However, you should know that you need the Flash browser plugin to view it.

As mentioned above, the decision after FLV vs. MP4 boils down to your needs.

How to Convert FLV to MP4 or Vice Versa

While doing the FLV vs. MP4 comparison, both formats have their advantages. So, you will always require to convert between these two formats. The best software for conversion is EaseUS Video Converter. Wondering how? Let us know more!

EaseUS Video Converter is an all-in-one free converter featuring a straightforward interface to help even naive users to perform the task without any guidance. It supports many input and output formats ranging from MP4 and FLV to AVI, MP3, and MPEG. Also, the way the software displays output formats is relatively user-friendly. Moreover, it would be a relief when you come to the ease of the software, which never comes at the functionality price.

Along with that, you can convert many files into batches without spending much time. You can combine clips and make one file as they get converted. If you value efficiency and fast speed, this is an excellent video converter for you. 

Here is the step-by-step guide to convert video file formats:

Step 1. Import Target Videos

Open EaseUS Video Converter. Click "Video Converter" > "Choose Files" to import videos. If you have several files in a folder, you can directly import the folder by clicking the down arrow icon next to the plus icon and selecting "Add Folder".

Import files

Step 2. Adjust Settings for Output Files

Click "Settings" to select the output format, and your desired quality and resolution. 

Choose output format

For advanced settings, you can click "Edit" to change the output file's parameters or file name. 

Video output settings

Step 3. Start Conversion

Go back to the main interface, you can change the saving path by clicking the down arrow icon at the bottom. Then you can click "Convert" or "Convert All" to start your video conversion task.

Start video conversion

Step 4. View Converted Files

Once done, click "Finished" to view your converted files. Here you can play, rename, or delete your output files flexibly.

View output file

The Bottom Line

You may encounter situations to compare video formats like FLV vs. MP4 when watching videos daily. After deciding the suitable format, the next step is to convert between these two. Many software is available to help you, but you may not find the one that satisfies your needs. Using EaseUS Video Converter can serve you best with its extensive features.

EaseUS VideoKit

All-in-one Video and Auido Tool

Be Creative Now!

Our Team

  • Daisy

    Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles.…
    Read full bio
  • Myra

    Myra joined EaseUS in 2017. As a big fan of Apple products, she mainly focuses on iOS data transfer and iOS troubleshooting tips. Meanwhile, she is expanding her knowledge and skills in other fields like data recovery and disk management. Myra is open-minded and likes both extensive and intensive reading. Other than reading and writing, she is also fond of mobile games and K-pop stars.…
    Read full bio
  • Sofia Albert

    Thank you, dear reader, for taking the time to read my articles and for visiting the EaseUS website. I hope you find my articles are helpful. Have a nice day!…
    Read full bio
  • Jane Zhou

    Jane is an experienced editor for EaseUS focused on tech blog writing. Familiar with all kinds of video editing and screen recording software on the market, she specializes in composing posts about recording and editing videos. All the topics she chooses are aimed at providing more instructive information to users.…
    Read full bio
  • Melissa Lee

    Melissa is a sophisticated editor for EaseUS in tech blog writing. She is proficient in writing articles related to multimedia tools including screen recording, voice changing, video editing, and PDF file conversion. Also, she's starting to write blogs about data security, including articles about data recovery, disk partitioning, data backup, etc.…
    Read full bio
  • Jean

    Jean has been working as a professional website editor for quite a long time. Her articles focus on topics of computer backup, data security tips, data recovery, and disk partitioning. Also, she writes many guides and tutorials on PC hardware & software troubleshooting. She keeps two lovely parrots and likes making vlogs of pets. With experience in video recording and video editing, she starts writing blogs on multimedia topics now.…
    Read full bio
  • Gorilla

    Gorilla joined EaseUS in 2022. As a smartphone lover, she stays on top of Android unlocking skills and iOS troubleshooting tips. In addition, she also devotes herself to data recovery and transfer issues.…
    Read full bio
  • Jerry

    "Hi readers, I hope you can read my articles with happiness and enjoy your multimedia world!"…
    Read full bio
  • Larissa

    Larissa has rich experience in writing technical articles. After joining EaseUS, she frantically learned about data recovery, disk partitioning, data backup, multimedia, and other related knowledge. Now she is able to master the relevant content proficiently and write effective step-by-step guides on related issues.…
    Read full bio
  • Rel

    Rel has always maintained a strong curiosity about the computer field and is committed to the research of the most efficient and practical computer problem solutions.…
    Read full bio
  • Gemma

    Gemma is member of EaseUS team and has been committed to creating valuable content in fields about file recovery, partition management, and data backup etc. for many years. She loves to help users solve various types of computer related issues.…
    Read full bio
  • Dawn Tang

    Dawn Tang is a seasoned professional with a year-long record of crafting informative Backup & Recovery articles. Currently, she's channeling her expertise into the world of video editing software, embodying adaptability and a passion for mastering new digital domains.…
    Read full bio
  • Sasha

    Sasha is a girl who enjoys researching various electronic products and is dedicated to helping readers solve a wide range of technology-related issues. On EaseUS, she excels at providing readers with concise solutions in audio and video editing.…
    Read full bio