Question 1

Will converting FLV to MKV reduce video quality?

Accepted Answer

No, our converter preserves original video quality. When FLV codecs are compatible, video is repackaged without re-encoding.

Question 2

How long does FLV to MKV conversion take?

Accepted Answer

Conversion time depends on file size and whether re-encoding is required. Most files convert in under a minute.

Question 3

Can MKV files be played on all devices?

Accepted Answer

MKV plays on most modern devices and players including VLC, MPC-HC, most smart TVs and media servers.

Question 4

Is it better to convert FLV to MKV or MP4?

Accepted Answer

Choose MKV for archiving with advanced features like multiple audio tracks and subtitles. Choose MP4 for maximum compatibility.

Question 5

Can I add subtitles to my MKV file after conversion?

Accepted Answer

Yes, MKV excels at subtitle support. Use MKVToolNix to embed subtitle files after conversion.

Question 6

What is the maximum file size for FLV to MKV conversion?

Accepted Answer

Our online converter handles video files up to 500 MB. For larger files, consider local conversion tools.

Question 7

Can I add subtitles to the MKV file after conversion?

Accepted Answer

Yes, MKV natively supports subtitle tracks. Use MKVToolNix to add SRT, ASS, or other subtitle files after conversion.

Question 8

Will the MKV file preserve all audio tracks from FLV?

Accepted Answer

Yes, all audio tracks present in the FLV file are transferred to the MKV container during conversion.

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FLVをMKVに変換

Convert FLV to MKV online for free. Fast and easy converter — no software to install, no registration required. Supports batch video files conversion.