https://www3.nhk.or.jp/news/easy/ This is where you can read the news with furigana and it is written in more simple and easy sentences which intermediate level Japanese readers can improve reading and vocabulary.
https://jisho.org/ Most commonly used online Japanese-English dictionary.
https://marugotoweb.jp/en/ This website consists of different levels of beginners Japanese learners to interact with the language of Japanese both visually (recognizing Japanese alphabets and characters), audibly, and vocally.
http://genki.japantimes.co.jp/self/verbadjective-conjugation-practice This website is aimed for intermediate Japanese learners, where users are asked to type in the answers of a very simple/short question.
http://www.bunka.go.jp/seisaku/kokugo_nihongo/kokugo_shisaku/keigo/index.html For those who are interested in the Keigo form of Japanese, this is a website where they teach you how and when to use the correct form of Keigo by demonstrating in a video. The website is in Japanese, but the video may be helpful for you!
https://www.iwillteachyoualanguage.com/learn/japanese/japanese-tips/basic-japanese-phrases Japanese basic conversations and expressions that can be useful when to initiate an easy conversation.
https://www.rocketlanguages.com/japanese/lessons/directions-in-japanese Learning about directions in Japanese. Japanese 101 class students had questions about expressing directions, so this is the material
Katakana/Hiragana Practice PDF Pages 3-12: hiragana practice, 13-16: hiragana word practice, 17: katakana chart, 18-27: katakana practice, 33-52: double-sided flashcards
https://kotobaweb.com/kanjigame/create A website that helps with reading kanji in game format. Shiritori game also featured. For all Japanese learning levels. Everything should be free