What are some alternatives?
When comparing Previewmojo and Universal Bypass, you can also consider the following products
Peeklink - Customized Link Previews for 🔥 Posts
Pretty Links - The easy way to customize Facebook link previews
Short.cm - Short.cm makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
GlimpseLink - Customize your link previews for social media
YOURLS - YOURLS is a website that contains all the tools you need to create and launch your very own URL shortener. URL shorteners like bitly or TinyURL are fine for public use, but they offer limited options in terms of URL customization.
Capsulelink - Group, save and send links as one