Hint: If you're sharing with someone in Slack, WhatsApp or whatever, pick .jpg so that the image has a solid white background.

On Twitter, Email, Slack or Facebook

As a link back to this site for editing

For when you want to come back and continue editing this diagram.

As a vector .svg image

Great for editing in vector tools or embedding on the web.

As a .png image

Nice for blogs, wikis or email. Transparent background.

As a .pdf document

Great for printing. Infinite zoom.

As a .jpg image

Solid background. Plays nicer with some desktop tools.

As a .json file

To programmatically save metadata.