MP4 to FLV Converter

Need to convert this file type? Drop it below — or drop any other file and we'll auto-switch. Outputs are auto-deleted after 2 hours; share links expire after 4.

Preset: MP4 FLV · or drop a different file and we'll auto-switch

Or paste a link to a file

Drop multiple images to combine them into one PDF, Word document, or PowerPoint presentation — or convert each image separately.

1

Drop

Drag your MP4 file or click to browse.

2

Convert

FLV is preselected, or pick a different format below.

3

Download

Get your file or share a 1-hour link.

Convert MP4 to FLV online

Use this MP4 to FLV converter to turn MP4 files into FLV right in your browser — ideal for playback, streaming and sharing. FLV is valued for being good for moving images, while MP4 comes with a tradeoff: lossy compression.

When should you convert MP4 to FLV?

  • To get FLV's built-in advantage: good for moving images
  • To move past MP4's common limitation: lossy compression
  • To open your files in apps that prefer FLV
  • To share FLV files more easily

About MP4 and FLV files

MP4 video

Strengths

  • plays almost everywhere
  • good quality-to-size
  • widely supported

Limitations

  • lossy compression
  • less flexible than MKV

FLV video

Strengths

  • good for moving images

Limitations

  • compatibility varies by device

MP4 vs FLV

FormatMP4FLV
CompressionLossy
Transparency
Best forstreaming and sharing and playback on any deviceplayback and streaming

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Frequently asked questions

Is this MP4 to FLV converter free?
Yes. You can convert MP4 to FLV online for free, with no account and no watermark.
Do I need to install software or sign up?
No. The conversion runs entirely in your browser — no installs and no account required.
Why convert to FLV instead of staying with MP4?
FLV is known for being good for moving images — that's what you gain by converting instead of keeping the MP4 file.
Are my files safe?
Yes. Files are processed only to complete the conversion and are auto-deleted after 2 hours. We never share them.
Can I convert multiple MP4 files at once?
Yes. Drop several files to convert them in a batch and download the results as a single ZIP.
MP4 to FLV Converter Online Free – No Signup · Convert Everything