Convert FLV to WebM

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Max file size 100mb.

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FLV vs WebM Format Comparison

Aspect	FLV (Source Format)	WebM (Target Format)
Format Overview	FLV Flash Video Adobe Flash video format designed for web streaming and online video delivery through Flash Player. Web	WebM Web Media Open-source video format designed for HTML5 video, optimized for web streaming with excellent compression and quality. HTML5
Container/Codecs	Uses H.264, VP6, or Sorenson Spark video codecs with MP3 or AAC audio, optimized for Flash Player.	Uses VP8/VP9/AV1 video codecs with Vorbis or Opus audio, specifically designed for modern web browsers and HTML5.
Compression	Efficient compression optimized for web streaming with progressive download capabilities.	Excellent compression efficiency with VP9/AV1 providing superior quality-to-size ratio compared to older formats.
Quality	Good to excellent quality depending on bitrate settings, optimized for web viewing.	Superior quality with advanced compression algorithms, especially VP9 and AV1, providing better quality at lower bitrates.
File Size	Medium (5–20 MB per minute) optimized for web streaming and progressive download.	Small to medium (3–15 MB per minute) with excellent compression efficiency, especially with VP9/AV1 codecs.
Compatibility	Limited compatibility, requires Flash Player or specialized software for playback.	Excellent compatibility with modern browsers (Chrome, Firefox, Edge, Opera) and HTML5 video players.
Streaming Support	Excellent streaming support with Adobe Flash Media Server and progressive download.	Outstanding HTML5 streaming support with adaptive bitrate, DASH, and modern web streaming protocols.
Use Cases	Web video streaming Online video platforms Flash-based applications	HTML5 web video Modern video streaming YouTube and video platforms Progressive web applications
Advantages	Good web streaming quality Progressive download support Metadata and cue point support	Open-source and royalty-free Excellent compression efficiency Native HTML5 support Future-proof format
Disadvantages	Requires Flash Player Limited mobile support Adobe Flash dependency	Limited Safari support (iOS/macOS) Higher encoding complexity Slower encoding with VP9/AV1
Tooling & Ecosystem	Adobe Flash Professional Flash Media Server	FFmpeg and libvpx Google Chrome ecosystem Modern video editing tools Web development frameworks
Metadata Support	Rich metadata support including cue points, chapter markers, and custom Flash video properties.	Good metadata support with Matroska container features, including chapters, subtitles, and custom tags.

Why Convert FLV to WebM?

Converting FLV to WebM transforms your Flash videos into a modern, open-source format that's perfect for HTML5 video players and contemporary web browsers. WebM provides superior compression efficiency and quality while being completely free from licensing fees.

Our converter creates optimized WebM files using VP9 codec that delivers excellent quality at smaller file sizes. The resulting files play natively in modern browsers without requiring plugins, making them ideal for responsive web design and mobile-friendly video content.

WebM is the ideal choice for modern web video delivery, especially for content targeting Chrome, Firefox, and other Chromium-based browsers. Its open-source nature, excellent compression, and HTML5 compatibility make it perfect for future-proof video streaming and web applications.