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Audio Conversion

Convert Opus to FLV Online — Free

Fast, free Opus to FLV converter. No registration required.

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Works Everywhere

Any browser, any device

How to Convert

1

Upload your .opus file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .flv file when it's ready.

What is Opus?

Opus is a modern audio codec designed for interactive speech and audio transmission. It provides excellent quality at low bitrates and is widely used in VoIP and streaming.

Format Details

Full Name
Opus Audio Codec
Extension
.opus

Key Features

  • Low latency
  • Excellent compression
  • Voice optimized
  • Open source

What is FLV?

FLV is a container format used to deliver video over the Internet using Adobe Flash Player. While Flash is deprecated, many legacy videos still use this format.

Format Details

Full Name
Flash Video
Extension
.flv

Key Features

  • Small file size
  • Fast streaming
  • Legacy support
  • Web delivery

Opus vs FLV

FeatureOpusFLV
Full NameOpus Audio CodecFlash Video
Extension.opus.flv
Best ForLow latencySmall file size

Frequently Asked Questions

Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.

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