Convert webm to flv

Converted on your device. Files never leave this tab. Output tops out around 2 GB.

Drop webm files here or click to choose

Convert to

Nothing is uploaded

The converter runs inside this page. Cut your network after it loads and it still works.

No account, no daily limit

No sign-up, no daily limit, no watermark, no queue behind other people's files. Batch as many WEBM files as you like.

Real FLV output

Encoded by ffmpeg, the same library the command-line tools use — not a renamed extension.

Other webm conversions mp4 mov avi mkv wmv mp3 wav ogg flac m4a aac opus

Convert to flv from mp4 mov avi mkv wmv

About WEBM

WebM

An open container from Google, launched in 2010 and based on Matroska, holding VP8, VP9 or AV1 video with Vorbis or Opus audio. Convert from WebM to MP4 for editors, phones and apps that handle MP4 better.

About FLV

Flash Video

Adobe's container for Flash Player, which carried most web video in the late 2000s, usually with Sorenson Spark, VP6 or H.264 video. Flash Player was discontinued at the end of 2020. Convert FLV to MP4 to play saved Flash-era video now that Flash is gone.