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Information About WEBM

Learn about the features of WEBM file format.

Basic Information

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

Technical Details

WEBM
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 (up to 8K and beyond)
Max QualityHighest achievable quality level or characteristic.
High (VP9/AV1 very efficient)
Encoding MethodSpecific algorithm or standard used for encoding the data.
VP8 / VP9 / AV1 video, Vorbis / Opus audio
Max File Size LimitAny known maximum file size limitations.
-

Features & Usage

WEBM
CompatibilitySoftware, devices, or platforms that support the format.
  • Web Browsers (Chrome, Firefox, Edge, Opera)
  • Android
  • VLC
  • YouTube
Use CasesCommon applications and scenarios where the format is used.
  • HTML5 web video
  • Streaming (YouTube default)
  • WebRTC
Metadata SupportCan the format store additional information (tags, descriptions, etc.)?
Yes
Transparency SupportDoes the format support transparent backgrounds (for images)?
-
Editing FriendlyIs the format suitable for easy editing without significant quality loss?
No
Encryption SupportDoes the format support password protection or encryption?
-

Pros & Cons

WEBM
ProsAdvantages and strengths of the format.
  • Open-source and royalty-free
  • Optimized for web streaming
  • High quality with efficient compression (especially VP9/AV1)
ConsDisadvantages and weaknesses of the format.
  • Not supported by Safari before version 14.1
  • Less hardware decoding support than H.264