Live captions
Turn Chinese microphone speech into live captions for viewers watching without sound or following key points. Adjust caption styling, canvas size and placement to fit your stream.
DOUYIN / BILIBILI
StreamCat（弹幕猫）Livestream Assistant for Douyin and Bilibili
StreamCat, also known by its project name StreamCatDual, is a livestream interaction assistant with simultaneous connections to Douyin and Bilibili. Its core features include chained reactions, viewer companions, title awards and collectible chat covers. Chained reactions sequence audio, media files and scene actions with configurable timing. Viewer companions bring audience avatars into the stream, while titles and collectible covers support themed events and viewer identity displays. StreamCat also provides live chat interaction, real-time captions, speech playback, layout editing, gift lists and countdowns.
Livestream message demo
Online 1,284
Your livestream toolkit
Keep your stream together
From comments to overlays, and speech to games: combine live captions, comment reading, gift lists and countdowns with your layout and audience interaction.
Spoken comments
Read comments aloud, thank viewers for gifts and welcome arrivals at your own pace. Select and preview voices, save or load voice profiles, and adjust volume and output devices.
Stream layouts
Arrange comments, images, text, gift lists and countdowns on a visual canvas. Adjust component size, position and style, leaving room for your camera, game or presentation.
Gift lists
Show gift icons, quantities and descriptions in a stream gift list. Use horizontal, vertical or rotating pages, with fonts, colors, backgrounds and placement matched to your stream.
Countdowns and gift extensions
Display a clear countdown for timed activities and stream challenges. Add time through configured gift rules and keep the remaining time visible while adjusting your layout.
Desktop comment overlay
Keep comments and important messages in view on your streaming computer.
Comment draws and activities
Add draws, quizzes, card draws and mini-games to your stream, giving viewers ways to participate.
Arrival welcomes
Respond to supported arrival events and help new viewers follow what is happening in your stream.
Gift acknowledgements
Bring gift acknowledgements and spoken responses into your stream so viewers can hear your thanks while you are busy.
Keyword-triggered effects
Connect chosen keywords with visual effects so viewers know how to take part.
AI response suggestions
Use response suggestions to organize your reactions while keeping your own voice and streaming pace.
Message moderation
Filter the messages shown on screen to fit the content of your stream.
Linked gift reactions
One gift. A chain of reactions.
Receive a gift, switch scenes, then play media and show your thanks.
Link several actions into a sequence that follows your stream.
Build your gift reactionChoose the options below and watch the scene change
01Gift receivedAwaiting trigger
Hot-air balloon × 1DouyinChange
Choose the platform, gift and quantity that trigger the reaction.
02Switch OBS sceneReady
Gift thanks sceneSwitch your scene automaticallyChange
Choose the scene to switch to when the gift arrives.
03Then run actionsReady
Run actions in sequence, with optional delays.
Regular stream scene
Choose a gift to start the demo
Thanks for your gift!
Give every gift a response
Receive Hot-air balloon × 1, switch to the gift thanks scene, play celebration media, then show a thank-you overlay.
Select “Simulate a gift” to watch this sequence.
Interactive demo · Configure gifts, scenes and media in the application to suit your stream.Explore gift reactions
Viewer companions
Turn your viewers into
Turn your viewers into
live-stream companions
A viewer sends a chat message, and their cat appears on stream.
Jump, gather together, and give your audience another way to join in.
Interactive demoNo live room connected
0 cats
Enable JavaScript to try the companion interactions.
Send a chat message to add a viewer’s cat.
Chatroom message sync
Bring your community chat on stream
Bring QQ group messages into your live layout.
Give chat its own panel, or merge messages into your danmaku overlay.
QQ · Community chatSample content
Stream preview
Try syncing a message to see it appear on stream.
A place for every group
Enable reception and choose a display mode for each group.
Make it part of your layout
Add a chatroom to your room design. Adjust its position, text size and panel opacity.
Stats and stream reviews
Understand your stream. Remember your viewers.
Explore gift income, viewer records, daily reviews and follow-ups in one data center.
Turn your recorded streams into ideas for the next conversation.
Data centerSample data · Not a real stream
Estimated net income
¥ 1,286.50
Sample week · Monday–Sunday
Gifts received268 gifts
View a day, week, month or custom range. Estimate income using your revenue-share settings and inspect gift details.
More than a familiar username
Find viewers, revisit their messages and gifts, and keep your own notes.
| Viewer | Messages | Your notes |
|---|---|---|
| Viewer 01 | 36 | Enjoys interactive games |
| Viewer 02 | 24 | Often talks about music |
| Viewer 03 | 18 | Drops in on weekends |
Visits reflect observations since recording began. Chat history depends on your recording settings.
A stream worth learning from
Enable AI analysis to summarize popular topics and interaction peaks in a daily review.
Sample review
The audience conversation picked up during the interactive game. Next time, leave room to revisit the topics they enjoyed.
Read saved reviews by date or generate a summary for the selected day.
Keep in touch with familiar faces
See regular viewers who may be worth greeting, and track your follow-up.
Viewer 02
No recent visit observed. Say hello when you next meet.
No observed visit does not mean they stayed away. Visits cannot be confirmed while the app is closed.
Connect both platforms
Douyin and Bilibili
Douyin and Bilibili
Prepare your stream
Connect to Douyin and Bilibili live rooms at the same time. Follow comments and gifts, then choose captions, speech and overlays for your content. The preview below demonstrates the interactions.
Douyin
Connect both platforms
Bilibili
Connect both platforms
Captions
Chinese speech to text
Speech
Comment reading and thanks
Audience interaction demo
~ 6 messages/s
Captions and speech
Make your words visible
Hear your viewers respond
Viewers watching without sound can read live captions; when your hands are busy, listen to spoken comments. Match text styling and voices to your stream.
Live captions
Turn Chinese microphone speech into live captions for viewers watching without sound or following key points. Adjust caption styling, canvas size and placement to fit your stream.
Spoken comments
Read comments aloud, thank viewers for gifts and welcome arrivals at your own pace. Select and preview voices, save or load voice profiles, and adjust volume and output devices.
Stream layouts · Overlay styling
A layout that feels like yours
Room for every interaction
Place comments, captions, images, text, gift lists and countdowns. Adjust their size, position and style while leaving room for the focus of your stream.
Gift extension challenge
Each Little heart adds 8 seconds
12:48
Latest events, scrolling live
Arrivals · Gifts · Likes on screen
Flying comments
Keep the main content clear
Ready for the next stream
Keep the voices and layouts you use
Bring them to your next stream
Prepare caption placement, stream layouts, gift descriptions and your preferred voices. Preview the visuals and listen to the voices before going live.
Save your layoutsSave, import and export the layouts you use.
Save voice profilesSave preferred voices and reload them for a preview.
Organize activity detailsArrange gift lists horizontally, vertically or as rotating pages.
Keep activities on trackShow remaining time with countdowns and gift extensions.
Built around your stream
From one comment to a whole interaction
Give desktop comments, live captions, gift acknowledgements, layouts and activities a clear place in your stream.
Comments
Messages for the streamer
Desktop comment overlay
Captions
Content for the viewer
Adjustable style and position
Speech
Responses at your own pace
Voice selection and previews
Layouts
Keep your channel style
Comments, images and text
Gift lists
Clear activity descriptions
Horizontal, vertical and rotating
Timers
Activity progress in view
Countdowns and gift extensions
StreamCat
Choose your live room
Choose your live room
Ready to stream
From live captions and speech to layouts, gift lists and countdowns, choose the tools that fit your next stream.