Converting FLV to WebM modernizes an older FLV recording into the widely-supported WebM format. WebM uses an efficient modern codec, so the file is smaller and plays on phones, browsers and smart TVs that no longer support FLV.
Why would I convert FLV to WebM?
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You move off an aging format onto WebM, which modern phones, browsers and TVs play natively — and usually at a smaller file size thanks to a more efficient codec.
Will converting FLV to WebM reduce quality?
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When the codec inside FLV is compatible with WebM, WEBM.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 FLV to WebM conversion take?
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Short clips finish in seconds. Longer FLV videos run at roughly real-time or faster on our GPU encoders, so a half-hour recording typically lands in a few minutes.
Which WebM settings should I choose?
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MP4 with H.264 is the safest, most universal WebM-family target. Use WebM for web embedding and MOV for Apple editing pipelines.
Is the FLV to WebM converter free?
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Yes. Single-file FLV to WebM 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 FLV file can I convert to WebM?
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Free users can upload FLV 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 FLV files to WebM at once?
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Yes. Drop multiple FLV files in one go and WEBM.to converts them to WebM 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 FLV to WebM?
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No. The FLV to WebM conversion runs entirely server-side in your browser — no Photoshop, Office, ffmpeg or any local install. Upload, convert, download.
Can I convert FLV to WebM on my phone?
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Yes. WEBM.to runs in any modern mobile browser, so iPhone, iPad and Android users can convert FLV to WebM without an app. The WebM result downloads straight to your device.
Are my FLV files kept private during conversion?
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Yes. Your FLV upload and the WebM 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 FLV to WebM?
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No account is required for basic FLV to WebM 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）是 Adobe 开发的一种视频容器格式。它通常用于在线视频流，并受 Adobe Flash Player 支持。
