Jiten Reader

Parse Japanese text anywhere on the web. Learn by immersion.

Jiten Reader is a free browser extension that brings Jiten's vocabulary tracking and dictionary lookup to any Japanese content you encounter online.

Track your known words, see your coverage, and review vocabulary while immersing in content you like.

Features

Works on webpages and 15+ apps including Ttsu Reader, Asbplayer, and Mokuro Reader.

See words definitions, parts of speech and frequency.

Review vocabulary. See their status with different colours.

See how much of the content you can read at a glance.

Words are coloured by knowledge state for easy visual scanning.

Highlight sentences with exactly one unknown word.

Mark and prioritise high-frequency vocabulary for faster progress.

Switch between users or presets for different workflows.

Custom CSS, theme colours, and keyboard shortcuts to match your style.

Works with your favourite apps

Automatic parsing on 15+ websites and apps

Can't find your favourite app? You can add custom URLs for automatic parsing, or parse any page manually in a single click.

See it in action

Start reading Japanese today

Free, open source, and designed for immersion learners.