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Audio & Video Converters

File conversion

MP4 to FLV Converter

Convert MP4 to FLV for a legacy video system. Create an FLV copy while keeping the original MP4.

MP4toFLV
Choose a file or drag it here
MP4, AVI, MOV, FLV, MKV, WebM, 3GP, MPEG, MPG, GIF, WMV, TS (up to 500 MB)

Choose your MP4 file, up to 500 MB. Keep your original until you check the result.

When to convert MP4 to FLV

Supply an FLV video when a specific older application requires it. The converter changes the video and audio encoding.

What the output contains

The FLV output uses FLV video and MP3 audio. Test the file in the legacy application that requires it.

Keep the original recording. The converter does not promise identical file size, metadata, or playback support across every application.

Before using the converted file

Check the exported FLV in the actual destination. Keep your MP4 for other uses because modern support differs between formats.

How to convert your MP4 file

  1. Upload the recording

    Choose your MP4 file from your device. The upload limit is 500 MB.

  2. Start the conversion

    The output is already set to FLV. Complete the verification and choose Convert.

  3. Download and check

    Wait for processing, then download the result. Open it in the application where you plan to use it.

MP4 to FLV questions

The FLV output uses FLV video and MP3 audio. Test the file in the legacy application that requires it. Keep the original recording. The converter does not promise identical file size, metadata, or playback support across every application.
Check the exported FLV in the actual destination. Keep your MP4 for other uses because modern support differs between formats.
This converter accepts one uploaded file at a time. It does not retrieve media from website links or process batches.
This page selects FLV output automatically. It does not offer manual bitrate, resolution, trimming, or audio-track selection.
Conversion changes the file format. It does not restore missing detail, remove noise, or make a compressed recording lossless.

Related file conversions

MP4 to WMV

Convert MP4 files to WMV for compatibility, editing, or publishing.

MP4 to MPEG

Convert MP4 files to MPEG for compatibility, editing, or publishing.

MP4 to WebM

Convert MP4 files to WebM for compatibility, editing, or publishing.

MP4 to MOV

Convert MP4 files to MOV for compatibility, editing, or publishing.

MP4 to AVI

Convert MP4 files to AVI for compatibility, editing, or publishing.

MOV to FLV

Convert MOV footage to FLV for a legacy video requirement. Upload a QuickTime file and download its FLV version.

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