Online MP4 to FLV converter | Free GroupDocs Apps

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Convert MP4 to FLV

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We have already processed 8,914 files with total size of 18,799 Mbytes

Convert MP4 files online instantly, no sign-up required. You can convert your MP4 documents on any platform—Windows, Linux, or macOS. Upload your file, choose the output format, and press convert. When the process is done, your FLV file will be ready for download.

The MP4 file's size and structure affect conversion time, though most files are processed in seconds. Advanced features allow you to convert password-protected documents and receive conversion results via email.

No matter where you are, convert your MP4 documents seamlessly on any device, including smartphones. Available online anytime, this conversion app is completely free for basic scenarios.

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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.

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

Is it safe to use this tool for MP4 to FLV conversion?

Definitely! Your files remain private and secure. The download link is provided instantly after conversion, and all uploaded files are deleted automatically after 24 hours to ensure your data stays protected.
Can I use an API to convert MP4 files programmatically?

Yes! The GroupDocs.Conversion API provides seamless document conversion support for .NET, Java, Python, and Node.js, making integration easy for developers.
Which web browsers support MP4 conversion?

Our MP4 converter is compatible with all major browsers like Google Chrome, Firefox, Opera, and Safari. Any up-to-date browser will work perfectly.

Other Supported Conversions

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

MP4 TO MP4
MPEG-4 file format
MP4 TO AVI
Avi file format
MP4 TO MKV
Matroska Video file format
MP4 TO MOV
QuickTime file format
MP4 TO WEBM
WEBM file format
MP4 TO WMV
WMV file format
MP4 TO MP3
MP3
MP4 TO AAC
Advanced Audio Coding
MP4 TO AIFF
Audio Interchange File Format
MP4 TO FLAC
Free Lossless Audio Codec
MP4 TO M4A
M4A file format
MP4 TO WMA
WMA file format
MP4 TO AC3
AC3 file format
MP4 TO OGG
OGG file format
MP4 TO WAV
WAV file format

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