How to fix bad FLV files (to make them seekable, fast forward, sync audio and video)

Flash Video .FLV

Flash Video .FLV is the most popular format in the Internet. Flash videos can be played by the most popular web-browsers including Internet Explorer, Firefox, Chrome, Opera, Safari. Flash .FLV videos are used by most video sharing web-sites including Youtube.

The purpose of this resource is to help you figure out why your FLV files aren't working. This page was written up from the searching, reading, trial and error I've gone through, at a time when I was frustrated with bad FLV files and needed an immediate solution.

The most common problems and glitches when playing downloaded/recorded/captured flash videos are the following:

• Flash .FLV video is not seekable (fast forwarding and rewinding is not available)
• Video and audio are out of sync when playing FLV files
• FLV video plays too fast (especially after recording live streams and live webcams)
• Video stuttering when playing FLV files (video runs choppy)
• Audio glitches when playing FLV files
• Flash .FLV video doesn't play in Windows Media Player or some other player
• FLV video stops too early
• FLV video doesn't start at all

Here is How to fix bad FLV files (to make them seekable, fast forward, sync audio and video).

• Problem: Flash .FLV video is not seekable
  
  Solution: Fix your FLV files by software like FLVMDI, Replay Media Catcher 4.
  
  
• Problem: Can't fast forward and rewind Flash .FLV video
  
  Solution: Fix your FLV files by software like FLVMDI, Replay Media Catcher 4.
  
  
• Problem: Video and audio are out of sync when playing FLV files
  
  Solution: Fix your FLV files by software like FLVMDI, Replay Media Catcher 4.
  
  
• Problem: FLV video plays too fast (especially after recording live streams and live webcams)
  
  Solution: Fix your FLV files by software like FLVMDI, Replay Media Catcher 4.
  
  
• Problem: Video stuttering when playing FLV files
  
  Solution: Try to use other FLV players, for example: freeware Applian FLV player.
  
  
• Problem: FLV video runs choppy in FLV player
  
  Solution: Try to use other FLV players, for example: freeware Applian FLV player.
  
  
• Problem: Audio glitches when playing FLV files
  
  Solution: Try to use other FLV players, for example: freeware Applian FLV player.
  
  
• Problem: Flash .FLV video doesn't play in Windows Media Player
  
  Solution #1: Try to use other FLV players, for example: freeware Applian FLV player.
  
  Solution #2: Install a codec pack like K-Lite Mega Codec pack (Note that this can cause problems with video editing and other multimedia software)
  
  
• Problem: Flash .FLV video doesn't play in my FLV player
  
  Solution: Try to use other FLV players, for example: freeware Applian FLV player.
  
  
• Problem: FLV video stops too early
  
  Solution: Fix your FLV files by software like FLVMDI, Replay Media Catcher 4.
  
  
• Problem: FLV video doesn't start at all
  
  Solution #1: Fix your FLV files by software like FLVMDI, Replay Media Catcher 4.
  
  Solution #2: Try to use other FLV players, for example: freeware Applian FLV player.