Video ToolsFree

FLV to MP4

Convert old Flash FLV video files to MP4 format. Adobe Flash Player was discontinued in December 2020 — FLV files no longer play in browsers. Convert your FLV archive to MP4 for lasting playback on any modern device. No signup required.

Updated June 2026

  1. 1Upload your FLV video
  2. 2Conversion runs instantly
  3. 3Download your MP4 file

Drop your video anywhere, click to browse

MP4, MOV, AVI, MKV, WebM, FLV, WMV, VOB

Ctrl+Vto paste a copied file

How to use FLV to MP4

  1. 1

    Upload your FLV video

    Drag and drop your FLV file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.

  2. 2

    Conversion runs instantly

    ToolBubble converts the video to MP4 directly in your browser — no waiting in an upload queue.

  3. 3

    Download your MP4 file

    Once processing finishes, the converted MP4 file downloads automatically to your device.

Frequently asked questions

Everything you need to know about flv to mp4.

Adobe Flash Player was officially discontinued on December 31, 2020. All major browsers removed Flash support. FLV files require Flash Player to play, so they no longer work in Chrome, Firefox, Safari, or Edge.

Explore more category tools

Convert, optimize and organize your files with our full collection of free tools.

Explore all category tools