YouTube LiveChat Flusher (Danmaku Chat)

Name: YouTube LiveChat Flusher (Danmaku Chat)
Rating: 4.32 (114 reviews)
Author: _y_s

Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.

As of June 2026, YouTube LiveChat Flusher (Danmaku Chat) has 80,000 users and a 4.32/5 rating from 114 reviews in the Entertainment category.

_y_s Entertainment

Chrome Web Store ↗.crx

Users+14.3%

80.0K

80,000

Rating+0.9%

4.32

114 reviews

Reviews+6.5%

114

Version

0.15.3

Manifest V3

90-day change · In the last 90 days this extension gained 10.0K users, 9 version updates.

History

18 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	70.0K	4.28	107	0.14.2
Apr 16, 2026	70.0K	4.29	108	0.14.2
Apr 23, 2026	100.0K	4.31	111	0.14.3
Apr 26, 2026	100.0K	4.31	111	0.14.3
May 2, 2026	100.0K	4.31	112	0.14.3
May 5, 2026	100.0K	4.31	112	0.14.4
May 8, 2026	90.0K	4.31	112	0.14.4
May 11, 2026	90.0K	4.31	113	0.14.4
May 13, 2026	80.0K	4.31	113	0.14.4
May 15, 2026	80.0K	4.31	113	0.14.5
May 17, 2026	90.0K	4.31	113	0.14.6
May 20, 2026	80.0K	4.31	113	0.14.7
May 28, 2026	80.0K	4.31	113	0.14.8
Jun 3, 2026	80.0K	4.31	113	0.14.9
Jun 6, 2026	80.0K	4.31	113	0.15.0
Jun 11, 2026	80.0K	4.31	113	0.15.1
Jun 15, 2026	80.0K	4.32	114	0.15.1
Jun 22, 2026	80.0K	4.32	114	0.15.2
Now	80.0K	4.32	114	0.15.3

Permissions & access

Permissions: storage
Host access: *://www.youtube.com/*

Screenshots

YouTube LiveChat Flusher (Danmaku Chat) screenshot 1

YouTube LiveChat Flusher (Danmaku Chat) screenshot 2

YouTube LiveChat Flusher (Danmaku Chat) screenshot 3

About

YouTube LiveChat Flusher
==========

This add-on provides bullet chatting (danmaku) on Youtube Live, like niconico or bilibili.

Under development, it may not works well.  If it doesn't work, please refresh page or switch to mini player.

If you prefer to older version, please refer to the [GitHub wiki](https://github.com/ys-j/YoutubeLiveChatFlusher/wiki/Installation).


Features
----------

- Works without displaying the chat frame (on independent mode)
- You can pause each message's animation by right click.
- Message translation; chat messages can be translated using Chrome's built-in translator or Google Translate.
- Picture-in-picture with chat (beta features)
- Time-shift; allows you to shift the timing of chat replay messages.


Configurable Options
----------

- Animation Duration
- Font Size / Number of Lines / Line Height
- Font Family/ Weight - CSS-syntax (Comma-separated; Font name containing spaces must be enclosed in quotation marks.) (e.g. Roboto, "Noto Sans JP")
- Stroke Style - Color, Offset, Blur.
- Chat Layer Opacity
- Background Opacity - Superchat, Milestone etc.
- Max Width / Wrap Mode
- Display Limit (Max Number of Messages)
- Simultaneous Messages - Behavior when loaded many messages at same time.
- Emoji Expression
- Flow Density / Direction
- Hotkeys (Keyboard Shortcuts)
- Visibility and color with each following types: chat message by member, moderator, channel owner and verified user; super-chat, super-sticker, new-membership and milestones.
- Words Filter (Banned Words List)
- User-defined CSS
- Message Translation
- Time-shift Duration
- Auto-start (on dependent mode)

Configuration control panel is available from "Gear" icon as with video quality or annotation.

Detailed explanation: <https://github.com/ys-j/YoutubeLiveChatFlusher/wiki>


Screenshots
----------

- [【#神楽めあ新衣装】一体この新人、衣装何着もっているんだい？　#新人vtuber 【神楽めあ】 - YouTube](https://www.youtube.com/watch?v=3j2uRSSin74)
- [【#神楽めあ新衣装】初めての新衣装お披露目配信(⋈◍＞◡＜◍)。✧♡ - YouTube](https://www.youtube.com/watch?v=NWbzQ2iHgnw)


DISCLAIMER
----------

The developer is not responsible for any damage caused by the add-on. It is noted that the add-on is not developed and published as a business, therefore it does not infringe upon any patent rights of DWANGO Co., Ltd. in Japan.