Here are some helpful resources:

Dictionaries:

http://www.dict.cc/

http://dict.leo.org/

https://www.wordreference.com/

https://www.linguee.com/

Verb Conjugation:

https://conjugator.reverso.net/conjugation-german.html

http://www.verbix.com/languages/german.shtml

Pronunciation:

https://forvo.com/languages/de/ (you can type in individual words and hear the pronunciation)

https://www.thoughtco.com/the-german-alphabet-1444644 (alphabet with pronunciation guide and examples)

http://www.joycep.myweb.port.ac.uk/pronounce/index.html (all letters and sounds)

https://blogs.ubc.ca/germanpronunciation/ (some knowledge of the IPA would be helpful)

German Consonants (some knowledge of the IPA would be helpful)

German Vowels (some knowledge of the IPA would be helpful)

The German Spelling System (some knowledge of the IPA would be helpful)

Grammar Explanations:

https://deutsch.lingolia.com/en/

http://www.deutschseite.de/

http://www.nthuleen.com/teach.html