how we can convert all the content in the Magento 2 site in to different language like Hindi.
If there is no language pack on the internet, you need to create store with you language and in theme or module create i18n folder with For example: English uk_US.csv file and make translate like "word" : "translation". For make sentence or word translatable: in .phtml
<?php echo __('sample text') ?>
<div data-bind="i18n: 'text'">
in cms blocks
By the way you can you inline-translate in configuration->advanced->developer