Multi Chat Overlay for Livestream

Keep all your stream chat messages from multiple streaming platforms like Facebook, Youtube, Twitch, etc., in one chat box. 

Multi Chat Overlay
Chat box overlay

Display chat box overlay in your stream

The chat box overlay is a great way to ensure that anyone watching your video can see which chat messages you’re interacting with. It’s also a fun way to potentially increase audience engagement

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Multiple Chat with Castr Live Streaming Platform

Multistream Chat

Our Multichat sync all your Facebook, YouTube, Twitch stream chat in one place. This is the perfect solution for streamers who want their fans from multiple platforms to be able chat with each other.

Cross platform Chat
Chat overlay

Chat overlay on your stream

Stream your video with our chatbox overlay. Add a chat box to your stream as a browser source in OBS, SLOBS, and other software.

Embeddable chat box for websites

Easily embed an interactive, threaded discussion chat box on website with just a few clicks

Embeddable chat box
Live chat feed

Keep your stream chat clean and professional

Castr lets you ensure your live chat feed is not full of spam or repetitive bots, so you can chat with people who are actually there for the live event!

There’s even more.
Castr has all features you need for live streaming.

Embed Player

Embed Player

Share video content globally

Start streaming anywhere with Castr’s HTML5 Embed Player. Bring your event from Castr to any over-the-top (OTT) platform like Roku, Apple TV, or Amazon Fire TV with ease with a HLS URL.


OTT Apps

White-label OTT Solution

Castr’s white-label OTT solution lets you launch your own video streaming app with zero coding skills.


Stream to 30+ platforms

Broadcast your live videos across 30+ social platforms and streaming destinations at the same time.



Video Monetization

Paywall and Video Ads

Generate revenue from your live and on-demand videos with Castr Paywall and Video Ad.

Video Hosting

Video Hosting

Secure Video Upload

Securely host and deliver on-demand video content globally.

Multiple CDN

Multiple CDNs

Ensure optimal viewing experience

Castr’s global CDNs make sure your viewers experience videos with 4K quality, low latency, and no buffering.

Frequently asked questions

Can’t find it here? Check out our Help Center.

  • What are Castr?


    Castr is a video streaming platform providing livestreaming and video-on-demand (VOD) solutions for streamers and businesses that need online broadcasting solutions.

  • Who is Castr best for?


    Castr is best for anyone who wants to stream and host videos for any purpose, whether it’s for gaming, live church services, live TV or business conferences

  • What type of subscription plans does Castr offer?


    We offer several subscription plans that meet every need. From low cost plans to advanced and enterprise-level solutions.

    All plans include an embed player with Akamai CDN, multistreaming, video hosting, and paywall features.

  • Do I need anything else to stream with Castr?


    You’ll need an encoder — software or hardware — to work with Castr. While we suggest OBS as the basic, Castr works with any encoder that allows custom RTMP setup. You can also pull directly from IP cameras or from different supported sources

  • Can I stream to a custom RTMP destination?


    Yes, you can stream to a custom RTMP destination by configuring a custom platform in the Castr dashboard.

  • Can I stream to multiple platforms on Castr?


    Yes. You can choose to stream to 30+ supported platforms

  • Does Castr support chat integration?


    Yes. You can synchronize chat messages from one or multiple social media platforms, or chat with your audience on the embeddable HTML5 player.

  • Which Content Delivery Network (CDN) does Castr use?


    All live video streams are delivered via Akamai and Fastly content delivery networks (CDN). This will help us make sure there won’t be any buffering or lagging to your video streaming quality.

  • Does Castr support Adaptive Bitrate Streaming (ABR)?


    Yes. We transcode the streams in the cloud and you have the option to enable or disable the adaptive bitrate streaming options for your livestreams.

Try Castr Live Streaming Platform

Try all features for 7 days. No contracts. No credit card needed