FLV to MP4 Converter

Convert FLV Flash videos to modern MP4. Flash is dead — MP4 plays everywhere. Preserve legacy content. Free, no watermarks.
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How to Convert FLV to MP4 Online

  1. Upload Your FLV Files: Click "+ Add Files" to select FLV files from your computer, Google Drive, or Dropbox. Batch upload supported.
  2. Adjust Settings (Optional): Choose video quality in Advanced Options. Default uses H.264 encoding for maximum compatibility.
  3. Convert and Download: Click "Convert" and download your MP4 file.

Why Convert FLV to MP4?

Flash Is Dead — FLV Won't Play

Adobe Flash was officially discontinued on December 31, 2020. Modern web browsers (Chrome, Firefox, Safari, Edge) have removed Flash support entirely. FLV files simply won't play in any current browser. Converting to MP4 makes your old Flash videos playable again.

Preserve Legacy Content

If you have FLV files from the early YouTube era (2005-2010), old websites, Flash-based courses, or archived web content, converting to MP4 preserves them in a modern, universally playable format before they become completely inaccessible.

Universal Playback

MP4 plays on every device, browser, and platform — phones, tablets, smart TVs, game consoles, and all media players. FLV requires the obsolete Flash Player that no longer exists.

Smaller File Size

MP4 with H.264 encoding is more efficient than FLV's older codecs. Converting typically produces smaller files while maintaining the same visual quality.

Where Do FLV Files Come From?

You may have FLV files from:

  • Early YouTube downloads — Video downloaders from 2005-2015 often saved as FLV
  • Flash-based websites — Embedded video content from the Flash era
  • Screen recordings — Some older screen capture tools saved as FLV
  • E-learning courses — Flash-based training and educational content
  • Web archives — Archived web content from the 2000s

Frequently Asked Questions

Does converting FLV to MP4 lose quality?

FLV files are typically low-to-medium quality already (most were 360p-480p web video). Converting to MP4 preserves the original quality — it can't improve it, but it won't make it worse.

Can I convert multiple FLV files at once?

Yes. Upload multiple files and convert them all with the same settings.

Is it free?

Yes. Completely free with no watermarks, no sign-up required, and no file count limits.

Does it work on mobile?

Yes. Works in any modern browser on all devices — no app installation required.

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