Convert MKV to FLV offline by JavaScript

Convert MKV to FLV offline

Convert local MKV files to FLV files offline by JavaScript in your web browser without any software downloads or file uploads!

Files:

Target:

Options:

Video size:

Video bitrate:

Frame Rate:

Aspect ratio:

Audio bitrate:

Mute:

Remove all audio streams

Show conversion logs

OUTPUT FILES:

#	File Name	File Size	Actions

How to convert MKV to FLV offline

Choose local MKV video files, choose "FLV" as target video format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB. Please note this offline audio converter only works in web browsers that support new technologies such as WebAssembly, Shared Array Buffer and Site Isolation. Use online converter instead if this offline converter doesn't work in your web browser.

Name	MKV	FLV
Full name	Matroska Video	Flash Video
File extension	.mkv, .mk3d, .mka, .mks	.flv, .f4v, .f4p, .f4a, .f4b
MIME	video/x-matroska, audio/x-matroska	video/x-flv
Developed by	www.matroska.org	Adobe Systems
Type of format	Container format	Media container
Introduction	The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows.	Flash Video is a container file format used to deliver video over the Internet using Adobe Flash Player version 6 and newer. Flash Video content may also be embedded within SWF files. Flash Video used to be the de facto standard for web-based streaming video. Notable users of it include Hulu, VEVO, Yahoo! Video, metacafe, Reuters.com, and many other news providers.