Other resources
https://www.ldoceonline.com/
Longman Dictionary of Contemporary English Online
https://dictionary.cambridge.org/
Cambridge Dictionary
https://youglish.com/
Search for specific words in the YouTube database and filter them according to their regional pronunciations.
https://ipa.typeit.org/
Useful tool for IPA transcription using your keyboard. Try learning their keyboard shortcuts!
IPA chart
Full official chart of IPA characters and diacritics (2015 revision)