Best for: Reading online and sentence mining
Pop-up dictionary extension: hover over Japanese text in your browser to see definitions, and add words to Anki in one click. Uses dictionary files you install.
10ten Japanese Reader (formerly Rikaichamp): a pop-up dictionary extension that shows word meanings when you hover over Japanese text.
Free, open-source browser player and extension for watching Japanese video with subtitles, including on streaming sites, and mining sentences from them into Anki.
Browser extension that shows dual subtitles on Netflix and YouTube, with pop-up translations and tools to save words while you watch.
