Convert

Convert FLV to MKV

Flash video, converted to modern containers. Matroska video container for high-quality rips.

Free to use — no account or signup required.
Your file is deleted the moment the conversion finishes.
Handles large files — up to 1 GB per conversion.
Prefer code? The same conversion is one API call away.

io bay · FLV → MKV

Input · FLVDrop a FLV file here, or click to browse.flv

Idle

Questions

faq

How do I convert FLV to MKV?

Upload or paste your FLV file, press Convert, and download the MKV result. It's free and no account is required.

Is my file kept after conversion?

No. Your uploaded file is deleted the moment the conversion finishes, and the converted output expires shortly after.

Can I run this conversion over an API?

Yes. The same FLV to MKV conversion is available as a REST API.