Step 1: Share your MKV files using the button above or by drag and drop.
Step 2: Click the 'Transform' button to start the transformation.
Step 3: Grab your converted FLV files.
MKV to FLV Transformation FAQ
How do I convert MKV to FLV?
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Converting MKV to FLV repackages your video from the MKV container into FLV. MOV.to remuxes the streams without re-encoding where the codecs are compatible (fast and lossless), and transcodes only when the target needs a different codec.
Why would I convert MKV to FLV?
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You move your content from the MKV format into FLV so it works in the apps, devices or workflows that prefer FLV.
Will converting MKV to FLV reduce quality?
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When the codec inside MKV is compatible with FLV, MOV.to remuxes without re-encoding — zero quality loss. When the codec must change, the video is transcoded with a small, controllable generational loss.
How long does a MKV to FLV conversion take?
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Short clips finish in seconds. Longer MKV videos run at roughly real-time or faster on our GPU encoders, so a half-hour recording typically lands in a few minutes.
Which FLV settings should I choose?
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MP4 with H.264 is the safest, most universal FLV-family target. Use WebM for web embedding and MOV for Apple editing pipelines.
Is the MKV to FLV converter free?
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Yes. Single-file MKV to FLV conversion is free with no signup. A Pro plan unlocks very large files, unlimited batch jobs and advanced features, but everyday conversions cost nothing.
How large a MKV file can I convert to FLV?
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Free users can upload MKV files up to 100 MB — enough for most videos. Pro users go up to several GB per file and can queue large batches.
Can I convert several MKV files to FLV at once?
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Yes. Drop multiple MKV files in one go and MOV.to converts them to FLV in parallel. Free accounts handle a couple at a time; Pro accounts have unlimited batch conversion.
Do I need to install any software to convert MKV to FLV?
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No. The MKV to FLV conversion runs entirely server-side in your browser — no Photoshop, Office, ffmpeg or any local install. Upload, convert, download.
Can I convert MKV to FLV on my phone?
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Yes. MOV.to runs in any modern mobile browser, so iPhone, iPad and Android users can convert MKV to FLV without an app. The FLV result downloads straight to your device.
Are my MKV files kept private during conversion?
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Yes. Your MKV upload and the FLV output travel over HTTPS, are never read by a human, and are deleted automatically from our servers shortly after the job finishes. No watermarks, no resale of your data.
Do I need an account to convert MKV to FLV?
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No account is required for basic MKV to FLV conversions — you can convert immediately. A free account adds conversion history; a Pro plan adds large files, batch jobs and AI tools.
FLV (Flash Video) is a video container format developed by Adobe. It is commonly used for online video streaming and is supported by Adobe Flash Player.