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how to maximize streaming resolution in Firefox

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looking for a way to get maximum streaming resolution in Firefox. I have updated my pc and monitor to handle Ultra HD resolutions, but cannot find what resolutions are supported by Firefox 68 (under Win 7, 64-bit) or how to change. I have read that Firefox is limited to 720P, and do not know if this is still so. Where do I find the current resolution and can it be changed, or do I need a specific add-on? Thanks for any information you can share!

Isisombululo esikhethiwe

Hi MontanaAndy,

I came across an Add-on which automatically sets your YouTube to high definition : Auto HD/4k/8k for YouTube™ {link}

There is also an alternative to set your resolution in YouTube to 4k by adjusting this value to true in about:config : media.mediasource.webm.enabled (this could impact your battery life)

Supporting article : Playing 4K (Ultra-High Definition) YouTube videos in Firefox {link}

You can also set Firefox to enable hardware acceleration which makes use of your graphics processor :

  1. Click the 3-bar menu button
  2. Click Options
  3. In General, scroll down to Performance
  4. If check marked, uncheck Use recommended performance settings
  5. Check Use hardware acceleration when available

Firefox's performance settings {link}

You can also adjust the content size of your screen if you like :

  • Holding ( CONTROL + ) increases the size
  • ( CONTROL - ) decreases the size
  • ( CONTROL 0 ) resets to the default

See also : how do i change the screen resolution {link}

Hope this helps!

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Isisombululo Esikhethiwe

Hi MontanaAndy,

I came across an Add-on which automatically sets your YouTube to high definition : Auto HD/4k/8k for YouTube™ {link}

There is also an alternative to set your resolution in YouTube to 4k by adjusting this value to true in about:config : media.mediasource.webm.enabled (this could impact your battery life)

Supporting article : Playing 4K (Ultra-High Definition) YouTube videos in Firefox {link}

You can also set Firefox to enable hardware acceleration which makes use of your graphics processor :

  1. Click the 3-bar menu button
  2. Click Options
  3. In General, scroll down to Performance
  4. If check marked, uncheck Use recommended performance settings
  5. Check Use hardware acceleration when available

Firefox's performance settings {link}

You can also adjust the content size of your screen if you like :

  • Holding ( CONTROL + ) increases the size
  • ( CONTROL - ) decreases the size
  • ( CONTROL 0 ) resets to the default

See also : how do i change the screen resolution {link}

Hope this helps!