コツ (kotu)

Hosted at: https://kotu.io

Features

Reader

• Analyzes text with mecab and marks pitch accent / word frequency.
• Click on words to get a popup with definition entries from any dictionaries you have installed.

Transcribe

• Add subtitles to videos and collaborate with others to translate form language to language.
• Export subtitles as .srt files.

YouTube

• Easily look up words and create flashcards as you watch videos.