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AVI vsWEBM: Key Differences & Best Format for You

Compare the features of AVI and WEBM file formats to choose the best option for your needs.

Basic Information

AVIWEBM
CategoryThe general type of file (audio, image, etc.).
videovideo
CompressionMethod used to reduce file size (Lossy, Lossless, Uncompressed).
LossyLossy
Relative SizeTypical file size compared to other formats.
LargeMedium
MIME TypesCommon MIME types associated with the format.
  • video/x-msvideo
  • video/webm
Open FormatIs the format specification publicly available and free to use?
NoYes

Technical Details

AVIWEBM
Bit DepthNumber of bits used to represent color or audio sample amplitude (higher means more detail).
--
ResolutionImage dimensions (pixels) or audio sample rate/video dimensions.
Variable (depends on codec/source)Variable (up to 8K and beyond)
Max QualityHighest achievable quality level or characteristic.
Variable (depends on codec)High (VP9/AV1 very efficient)
Encoding MethodSpecific algorithm or standard used for encoding the data.
Various (DivX, Xvid, MJPEG, etc.)VP8 / VP9 / AV1 video, Vorbis / Opus audio
Max File Size LimitAny known maximum file size limitations.
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Features & Usage

AVIWEBM
CompatibilitySoftware, devices, or platforms that support the format.
  • Windows Media Player
  • VLC
  • Many older devices/players
  • Web Browsers (Chrome, Firefox, Edge, Opera)
  • Android
  • VLC
  • YouTube
Use CasesCommon applications and scenarios where the format is used.
  • Older video files
  • Some digital cameras (legacy)
  • Windows environment
  • HTML5 web video
  • Streaming (YouTube default)
  • WebRTC
Metadata SupportCan the format store additional information (tags, descriptions, etc.)?
YesYes
Transparency SupportDoes the format support transparent backgrounds (for images)?
--
Editing FriendlyIs the format suitable for easy editing without significant quality loss?
NoNo
Encryption SupportDoes the format support password protection or encryption?
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Pros & Cons

AVIWEBM
ProsAdvantages and strengths of the format.
  • Widely compatible, especially on Windows
  • Simple container format
  • Open-source and royalty-free
  • Optimized for web streaming
  • High quality with efficient compression (especially VP9/AV1)
ConsDisadvantages and weaknesses of the format.
  • Often uses inefficient codecs leading to large files
  • Limited support for modern features (subtitles, chapters)
  • Outdated
  • Not supported by Safari before version 14.1
  • Less hardware decoding support than H.264