Yes, there are several excellent websites that offer free phonics instruction online: (This answer was generated by Leo which is the Brave browser's  free AI.

Phonics.com - A completely free online reading program featuring 9 soundcards for each phoneme with images and audio, 133 practice worksheets (300+ pages), 43 eBooks, 14 printable literacy games, and interactive phonics activities. The program covers all 42 phonemes in the English language and aligns with Common Core K-5 Reading Standards 

Progressive Phonics - An all-in-one reading program that is completely free and designed to be easy and fun for children 

Essential Skills - Offers a premier free online phonics program with 400+ research-backed activities, trusted by teachers and loved by parents 

Reading Universe - Provides free phonics instructional resources teaching the relationship between spoken sounds and written letters, including step-by-step skill explainers and teaching materials 

Open Source Phonics - Free phonics materials for teachers, tutors, and families that align with evidence-based structured literacy instruction. Includes comprehensive lessons, decodables, and practice materials 

Phonics Hero - Offers over 1,000 free teacher resources including 850+ games, 200 worksheets, and assessment tools using systematic synthetic phonics 

These programs provide structured, sequential phonics instruction perfect for teaching children to read at home or in the classroom.

https://www.phonics.com/

https://www.freephonicsprogram.com/ ( I selected this one. Just signed up.)

https://readinguniverse.org/explore-teaching-topics/word-recognition/phonics

https://spencerlearning.com/ultimate-phonics/resources/free-phonics-resources.html