YouTube Romaji + Custom Subtitles icon

YouTube Romaji + Custom Subtitles

by Tom Dackins · Entertainment
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Adds Romaji option to YouTube subtitles and supports per-video custom subtitle uploads.

Users
130
+32 in 30 days
Rating
2.3 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#76K
#63K among extensions
Version
1.0.0
updated 30 Dec 2025

Users

monthly, 10 months
068135Dec 2025Jun 2026Oct 2026
Latest, 15 Oct 2026: 130 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
023Dec 2025Jun 2026Oct 2026
Latest, 15 Oct 2026: 3 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About YouTube Romaji + Custom Subtitles

Adds a "Romaji" option to YouTube's caption menu for videos with Japanese manual subtitles. Converts kanji, hiragana, and katakana to Hepburn romanization using translation with shared caching, first user romanizes, everyone benefits. Also supports uploading your own .srt, .vtt, .ass, and .ssa subtitle files stored locally on your device.

Growth

WindowUsersChangeRatingsRating
7 days+3+2.4%00.00
30 days+32+32.7%00.00
6 months+79+154.9%+2−0.67

Version history

1 versions recorded
1.0.030 Dec 2025

Details

Category
Entertainment
First seen
30 Dec 2025
Size
35.4 MB
Languages
en
Pricing
Free
Extension ID
gcbhknehhdocgmldepimoijakedokdgf

Permissions and risk

Moderate riskimpact 2, likelihood 3
Permissions
storagescripting
Site access
https://www.youtube.com/*https://youtu.be/*https://m.youtube.com/*

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