SUMMARY

- If you have a caption file, you can watch the video with the caption
- Of course, you can also use files that were given by someone else
- You can turn on or off the display of the caption

**⚠ We're assuming UTF-8 character set for the caption file.**

1. View YouTube video page in chrome
2. Select a caption file in the box under the title

You can turn off the caption by pressing the switch next to the box.


Here's how to write a caption file. It's the format of the srt file.

```text
1
00:00:00,000 --> 00:00:07,560
これは字幕ファイルから読み取った字幕です。

2
00:00:10,230 --> 00:00:14,700
This is a test video
```

1. Write timestamp for start time and end time of the text to be displayed
2. Write the text one line below the timestamp

Timestamp is written like `hh:mm:ss,sss --> hh:mm:ss,sss`.
`hh` is the hour, `mm` is the minute, `ss` is second, and `sss` is millisecond.
`:` is a delimiter for `hh`, `mm` and `ss`,
and `,` is a delimiter for `hh:mm:ss` and `sss`.
Start time, ` --> `, and end time, in that order.

Actually, if it's written in this format,
you don't have to worry about the file extension.

The latest version of Mr.Jimaku is available on the Chrome web and is currently being used by 76 active users. The initial version was launched on 2020-09-10.

HOW TO INSTALL Mr.Jimaku FROM A CRX FILE

1. Download Mr.Jimaku CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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