MouseTooltipTranslator

Mouseover Translate Any Language At Once - Chrome Extension: PDF Translator, EBOOK, EPUB, OCR, TTS, NETFLIX, YOUTUBE DUAL SUBTITLES, GOOGLE DOCS, AI, VIEWER, GMAIL, WRITING, IMAGE, DUAL SUBS, MANGA, HOVER, DICTIONARY, WEBTOON, EDGE, JAPANESE, ENGLISH. Maintained by ttop32 on GitHub, where it has earned 1,265 stars from the community.

It's actively developed around browser-extension, chatgpt, chrome, and is a solid reference for anyone building with these tools.