What is an FLV file?

The FLV format in brief: what it is, what it is used for, and how to convert it.

FLV: conversion steps

  1. Upload your FLV file to start.
  2. Convert FLV to 3GP.
  3. Download the FLV file.

About FLV files

the Flash Video format of the Adobe Flash Player era

Flash Video (FLV) is the container Adobe Flash Player used to stream video on the web, typically with H.264 or the older Sorenson Spark and VP6 codecs.

Videos saved from websites of the Flash era and from some older streaming and recording tools.

FLV: what conversion changes

Converting FLV re-encodes video.

FLV: settings to change

Before you convert FLV files, you can adjust: Video codec, Audio codec, Frame rate, Rate control, Width, Quality (CRF), Audio bitrate, Video bitrate, Quality (VBR), Resolution, Sample rate, Colours, Channels, Height, Scale fit, Normalize loudness, Dithering, Encoder preset, Trim start, Trim duration, Keep tags, and Remove metadata.

Limits of the FLV format

Adobe ended Flash Player at the end of 2020 and browsers removed it, so FLV files need a converter or a desktop player such as VLC.

Common questions about FLV

Why won't my old FLV videos play anywhere anymore? Flash Player was retired at the end of 2020 and browsers dropped support, so the only practical way to keep them is converting to MP4.

Convert FLV files

Guides and tools for FLV