Subtitles, Made Easy.
Enjoy Anime Without Hassle.

Kuraji is a free, open-source tool that automatically finds Japanese subtitles for anime on Jellyfin, YouTube, and more.

Kuraji Extension showing subtitles on Jellyfin

Subtitles That Just Work

Kuraji uses smart matching to automatically pick the best subtitle file and sync it with your video. No more hunting around manually.

98% Success Rate*
1000+ Requests/Hour
2025 Modern Tech

Main Features You’ll Love

Auto Title Detection

Kuraji reads the video info—title, season, episode—and uses it to find the right subtitles fast.

Perfect Sync

Grab synchronized subtitles from Japanese sources so everything lines up perfectly on your video.

Customizable Look

Move, resize, or recolor subtitles to make your viewing experience comfortable and stylish.

Learn Japanese While Watching

Works with tools like Yomitan so you can pick up Japanese naturally while you enjoy anime.

Kuraji Interface example showing settings

Works Almost Anywhere

Kuraji is designed to run smoothly across popular media platforms and browsers. It’s flexible and easy to add new platforms as needed.

Media Servers & Streaming

Supports personal servers like Jellyfin and streaming platforms like YouTube. Basic iFrame support means it works almost anywhere.

All Browsers

Works in all major browsers, including Firefox and Chrome, for a consistent experience no matter how you watch.

Open Source & Community-Friendly

Kuraji is MIT Licensed. Anyone can check the code, contribute, or tweak it for their own setup.

Kuraji subtitles on Jellyfin example

How Kuraji Works: 6 Easy Steps

01

Read Video Info

Gets the title, season, and episode from your video so it knows what to look for.

02

Gather Metadata

Looks up alternative titles and episode info from AniList and MyAnimeList to improve accuracy.

03

Make Title Variants

Generates different versions of the title to increase the chance of finding a match.

04

Check Subtitle Repos

Looks for Japanese subtitles using GitHub APIs for fast, reliable results.

05

Pick the Best File

Matches subtitles to the video metadata and selects the best `.srt` file available.

06

Show Subtitles

Downloads and displays the subtitles perfectly synced on your player.

What's Next?

Kuraji is always improving. Here’s what’s coming up:

  • More platform support so it works on even more streaming sites.
  • Add support for .ass subtitle files for fancier styling.
  • Fix iFrame quirks for smoother fullscreen and playback.
  • Bring Japanese subtitles to live-action shows and movies by connecting to more databases.
Kuraji in action with subtitles

Ready to make watching anime easier?

Install Kuraji and enjoy your shows with Japanese subtitles automatically. No fuss, just watching.

MIT Licensed. Fully open-source.