How to avoid huge file sizes when rendering

[Walter Soyka]

That’s a simple-looking question with no single good anxser. Check out this post from Todd Kopriva that describes how to choose an output format:

https://forums.adobe.com/thread/729526

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
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[Katya Dunn]

Look at exporting using the media encoder and look at the pre-sets. There is probably one for your purpose -i.e. several are for Vimeo, YouTube etc.

[Chuose Osemeka]

What can I change to keep highest quality but reduce file size?

I have scouted around and from what I can see, AVID codecs give the best compression’s even with alpha channels.

In previous AFX versions that’s pre-2017 version all AVID codec’s could export almost lossless renders with alpha channels.
Eversince the Apple ambush only the Avid Meridien codec offers compressed alpha exports.

So if ur renders contain alpha channels, Avid DNxHD/DNxHR , Avid Meridien & Avid Jpeg 2k offer excellent renders with reduced sizes.(pre-2017 )

In the 2017 AFX the latest release 14.1 only Avid Meridien offers an alpha channel compressed export.
The rest can export an alpha channel but not compressed.

Now if the render does not contain alpha channels, the exports are even smaller in any version.

Hope this helps

[Ashley Davis]

I took into Encoder as advised and rendered in ‘match source – high bitrate’ and increased the Mbps slightly to a usable file size.

Is there a better alternative? Output will be playback on a HDTV and Vimeo/YouTube