Step 1: Transfer your WebM files using the button above or by slide and deposit.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Retrieve your converted FLV files.
WebM to FLV Conversion FAQ
How do I convert WebM to FLV?
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Converting WebM to FLV repackages your video from the WebM container into FLV. MP4.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 WebM to FLV?
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You move your content from the WebM format into FLV so it works in the apps, devices or workflows that prefer FLV.
Will converting WebM to FLV reduce quality?
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When the codec inside WebM is compatible with FLV, MP4.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 WebM to FLV conversion take?
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Short clips finish in seconds. Longer WebM 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 WebM to FLV converter free?
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Yes. Single-file WebM 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 WebM file can I convert to FLV?
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Free users can upload WebM 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 WebM files to FLV at once?
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Yes. Drop multiple WebM files in one go and MP4.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 WebM to FLV?
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No. The WebM to FLV conversion runs entirely server-side in your browser — no Photoshop, Office, ffmpeg or any local install. Upload, convert, download.
Can I convert WebM to FLV on my phone?
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Yes. MP4.to runs in any modern mobile browser, so iPhone, iPad and Android users can convert WebM to FLV without an app. The FLV result downloads straight to your device.
Are my WebM files kept private during conversion?
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Yes. Your WebM 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 WebM to FLV?
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No account is required for basic WebM 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.