Where can I generate and see what schema.org microdata looks like on a website?

Question

Search Engine Optimization

Haychiki) I delve
into SEO, bang on the site: meta-tags, Open Graph and micro-markup (in html + JSON-LD additionally).
While Yandex or Google will index the whole thing, I will already abandon it.
1. Where can I generate a complete (well, almost) microdata for a site in the form of JSON-LD, for example? Interested in: navigation (so that an additional snippet with links and their description appears in the search [ https://habrastorage.org/webt/5f/b4/6e/5fb46e12b6f... ]), a beautiful link ( https://vk.com > Home / https://vk.com > Friends, etc. [ https://habrastorage.org/webt/5f/b4/6e/5fb46e396e1... ])?
2. Where can all this result be checked at once (for example: how the site is visible in search results)?
3. Are there any resources / generators of all types of microdata at once (navigation, products, contacts, services, etc.)
4. How to push a snippet table into a search engine (example: [ https://habrastorage.org/webt/ 5f/b4/6e/5fb46ef1f0f... ])?
5. So far

Answer 1

1. Where can I generate a complete (well, almost) microdata for a site in the form of JSON-LD, for example? Interested in: navigation (so that an additional snippet with links and their description drops out in the search

3. Are there any resources / generators of all types of microdata at once (navigation, products, contacts, services, etc.)

Here you can

2. Where can all this result be checked at once (for example: how the site is visible in search results)?

Google - here
Yandex - here

4. How to push a snippet table into a search engine (example: [ https://habrastorage.org/webt/5f/b4/6e/5fb46ef1f0f ...])?

This is the dataset markup