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Editorial Team
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Asked: 2026-05-13T16:49:58+00:00

Assuming the following: The browser in question doesn’t limit the size of data URIs.

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Assuming the following:

  1. The browser in question doesn’t limit the size of data URIs.
  2. There is actually a purpose to doing this (so please refrain from asking “what’s the point?” and “you do realize base64 encoding will expand your file by 33%, right?”).

Is it technically possible to encode an entire video or audio file into base64, and embed it in an HTML document using either <audio> or <video>?

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1 Answer

  1. Editorial Team

    It should be possible, except in IE8 and below, which does not support Audio/Video elements.
    Note that Opera does limit the size of the URI.

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