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MP4 to FLV converter

Convert MP4 to FLV online from any device with a free converter.

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We have already processed 5,838,589 files with total size of 9,548,346 Mbytes

About Video converter

Convert MP4 to FLV files online with our free video converter app. No matter your platform — Windows 10, Mac or iPhone — you can convert MP4 audio files with any resolution rapidly.

The most popular video formats are MP4, AVI, MKV, and MOV. MP4 is the most widely supported, balancing quality and file size, while AVI and MKV offer flexibility for high-quality playback, and MOV is optimized for Apple devices. Video files can be edited using video editing software such as Adobe Premiere Pro, Final Cut Pro, or DaVinci Resolve.

Change MP4 to FLV in seconds — drop your file into the upload form, pick FLV as the output, and hit Convert. Download the result video file right after conversion.

Check our video
MP4

MPEG-4 file format

MP4 (MPEG-4 Video File) is a widely used digital multimedia container format designed to store video, audio, subtitles, and images, offering high compression efficiency and compatibility across devices. It is supported by popular media players like VLC, QuickTime, and Windows Media Player, as well as editing tools such as Adobe Premiere Pro and Final Cut Pro. The format uses a hierarchical structure with boxes (or atoms) to organize data, supporting advanced features like streaming, metadata embedding, and DRM (Digital Rights Management) for secure content distribution.

FLV

Flash Video file format

FLV (Flash Video File) is a container file format developed by Adobe Systems for delivering video and audio content over the internet. It is commonly used with Adobe Flash Player, supported by media players like VLC, and can be created or converted using tools like FFmpeg or Adobe Animate. The format uses a lightweight structure with metadata tags, supports streaming via RTMP, and allows for embedding of interactive elements like captions and cue points, making it suitable for web-based video playback.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert MP4 to FLV

Step 1
Click inside the file drop area to upload MP4 file or drag & drop MP4 file.
Step 2
Click on Convert button. Your MP4 files will be uploaded and converted to FLV result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the FLV file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert MP4 into many other file formats. Please see the complete list below.

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