[2023 Updated] 7 Best YouTube to FLV Converters on Windows/Mac/Online

Don't you know how to convert YouTube to FLV? If yes, then all these YouTube to FLV converters can be helpful to you. You can choose any of them based upon your device requirement, i.e., Windows, Mac, and even Online.

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Sofia Albert

Updated on Aug 22, 2023

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YouTube has become an essential part of daily routines. People always watch videos on it and also need to watch it offline. Downloading YouTube videos becomes common. But the conversion format is based upon the requirement. To share the converted file on the internet, like uploading it on another website or social platform, then FLV must be your desired choice.

FLV is a suitable streaming format for its small size. Moreover, it can be played on any device, i.e., Mac, Windows. Also, it's a good video streaming format. Because of these reasons, people can convert YouTube to FLV.

youtube to flv

Top 3 YouTube to FLV Converters on Windows

Three converters are introduced here, including EaseUS Video Converter, YouTube Video Downloader, and aTube Catcher.

Tool 1. EaseUS Video Converter[New]

EaseUS Video Converter is an impressive YouTube to FLV converter that assists in performing any of your media conversion tasks. Though it doesn't convert YouTube to FLV directly, you can convert YouTube video format to FLV at 30X faster speed.

Besides conversion, you can adjust the audio and video codecs of your file before conversion. Plus, the feature to preview the original and converted files is available. It offers you the batch conversion feature to save your effort and time.

Key Features:

  • Support 500+ video formats
  • Flawless conversion with GPU acceleration
  • Convert audio to video with ease
  • Availability of audio extraction tool
  • Merge serval media files into one

Without registration, you can start making this YouTube to FLV conversion!

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

Tool 2. YouTube Video Downloader

Whenever you need a Windows tool that can aid you in downloading and converting videos from different social sites, YouTube Video Downloader must be your way to go. This software works as a YouTube to FLAC converter, a video editor, and also a playlist downloader.

Having this software, you can import and export the video/audio files from either device or URL. Optimizing your video based on your operating system is not a difficult task. Plus, its GPU acceleration technology helps get the faster conversion.

youtube video downloader


  • 5X faster conversion speed
  • Feature of adding music to the iTunes library
  • Good output file quality
  • Convert YouTube to WMV

Tool 3. MP3Studio

MP3Studio is an all-in-one free software that works on Windows, Mac, and Linux. It allows users of all skill levels to download videos from YouTube and other prominent video hosting platforms and edit them. Along with functioning as YouTube to FLV Converter, it offers you to adjust the settings as per your requirements.

This download manager can be used by anyone who wants to build an extensive local library of content for personal use, school projects, or business projects of all sizes. It has built-in support for batch downloading entire YouTube video channels or playlists. The software also offers an intelligent ID3 tag editor and an integrated audio player.

youtube to flv


  • Enjoy music online or offline
  • Convert YouTube to FLV with ease
  • Ensure fast and easy YouTube downloading/conversion
  • Support many platforms, i.e., YouTube, Vimeo, etc.

Top 2 YouTube to FLV Converters on Mac

Finding YouTube to FLV converters for Mac might be a difficult task, but here VLC Media Player and Kastor All Video Downloader can be of help!

Tool 1. VLC Media Player

VLC Media Player may be the first converter name that crosses your mind whenever there is a need to do such a task related to media files. Having this software, converting files from the device, network, Disc, and even Camcorders is easier.

It's free of user-tracking and ads along with 30times faster conversion speed than the other software. It works as a flawless converter, media player, and editor. Supporting almost all popular formats, it lets you adjust various output file settings, including frame rate, bit rate, channels, and more.

vlc mac convereter youtube to flv


  • Compatibility with all operating systems
  • Open source video converter
  • Support almost 1000 file formats
  • Allow editing features, i.e., crop, cut, merge

Tool 2. Kastor All Video Downloader

Kastor All Video Downloader is a freeware software that can help conversion even if you don't know how to convert YouTube to FLV. It offers video conversion from almost 280+ social platforms like YouTube. It supports WMV, FLAC, MP3, MP4, etc.

If you don't have much time, this software allows you to convert multiple files at once but only 20 times in the trial version. The built-in search engine and the player will help search, play, and preview your videos easily.

youtube to flv kastor


  • High-speed download without any limit
  • Support multiple output formats
  • Help to download from multiple social sites

Top 2 YouTube to FLV Converters Online

If you don't want to download any converter, two online YouTube to FLV converters will save you!

Tool 1. CoConvert

CoConvert is designed to convert YouTube to FLV, however, you need to select the output format from the available ones, including WAV, WebM, MP3, and others. The application also lets you download the videos on your device to watch them offline. To your benefit, it supports up to 4K video resolution. There is no need to register your account on this tool.

Moreover, the uploaded and converted files get deleted from their servers within a few hours to keep the confidentiality.

coconvert youtube to flv


  • Make you get the HD output quality
  • No limit to converting YouTube to FLV
  • Allow conversion from 200+ social platforms
  • Feature of optional email notification after conversion

Tool 2. Zamzar

Zamzar is another free online tool that can assist you to convert YouTube to FLV. The tool lets you convert files from a URL and provides drag and drop to import your files. Also, it helps in carrying out media-related tasks at a reasonable speed.

Having this converter, you can add, download, and convert files. Plus, you will get a good user experience when compared. There are also many other features to explore, but the maximum file size limit it supports is 50MB.

zamzar online converter


  • Convert between 1200+ file formats
  • Option of sending the file via email when done
  • Complete conversion in under 10 minutes


FLV file format is suitable for downloading YouTube videos whenever you need to stream them online. As this format is smaller in size and can easily be played on any device, it is always preferred. However, the right YouTube to FLV converter is required to carry out this conversion task. There are many software and tools available in the market, EaseUS Video Converter provides you with full functions for Windows, Mac, and online users.

EaseUS VideoKit

All-in-one Video and Auido Tool

Be Creative Now!

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