Convert FLV to OPUS offline

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






OUTPUT FILES:
# File Name File Size Actions
How to convert FLV to OPUS offline

Choose local FLV files, choose "OPUS" as target audio 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.

 

Name FLV OPUS
Full name Flash Video Opus Audio Format
File extension .flv, .f4v, .f4p, .f4a, .f4b .opus
MIME video/x-flv audio/opus
Developed by Adobe Systems IETF codec working group
Type of format Media container Audio file format
Introduction 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. Opus is a lossy audio coding format developed by Xiph and standardized by the IETF, designed to efficiently code speech and general audio in a single format, while remaining low-latency enough for real-time interactive communication and low-complexity enough for low end ARM3 processors.
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