> ## Documentation Index
> Fetch the complete documentation index at: https://cometchat-22654f5b-docs-platform-docs-release.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Extensions

> Overview of Extensions in CometChat.

CometChat Extensions expand core messaging with specialized capabilities that improve experience, engagement, collaboration, and support.

<CardGroup cols={2}>
  <Card title="User Experience" href="/fundamentals/extensions-user-experience">
    Bitly, Link Preview, Message Shortcuts, Pin Message, Rich Media Preview, Save Message, Thumbnail Generation, TinyURL, Voice Transcription
  </Card>

  <Card title="User Engagement" href="/fundamentals/extensions-user-engagement">
    Giphy, Message Translation, Polls, Reminders, Stickers, Stipop, Tenor
  </Card>

  <Card title="Collaboration" href="/fundamentals/extensions-collaboration">
    Collaborative Document, Collaborative Whiteboard
  </Card>

  <Card title="Security" href="/fundamentals/extensions-security">
    Disappearing Messages
  </Card>

  <Card title="Customer Support" href="/fundamentals/extensions-customer-support">
    Chatwoot, Intercom
  </Card>
</CardGroup>

Extensions pickup where our core leaves. They help extend the functionality of CometChat.

### User Experience

Extensions that help improve the user messaging experience. *Recommended for most apps.*

[Bitly](/fundamentals/bitly)\
[Link Preview](/fundamentals/link-preview)\
[Message shortcuts](/fundamentals/message-shortcuts)\
[Pin message](/fundamentals/pin-message)\
[Rich Media Preview](/fundamentals/rich-media-preview)\
[Save message](/fundamentals/save-message)\
[Thumbnail Generation](/fundamentals/thumbnail-generation)\
[TinyURL](/fundamentals/tinyurl)\
[Voice Transcription](/fundamentals/voice-transcription)\
[Avatars](/fundamentals/avatars)

### User Engagement

Extensions that help increase user engagement. *Recommended for advanced apps.*

[Giphy](/fundamentals/giphy)\
[Message Translation](/fundamentals/message-translation)\
[Polls](/fundamentals/polls)\
[Reminders](/fundamentals/reminders)\
[Stickers](/fundamentals/stickers)\
[Stipop](/fundamentals/stickers-stipop)\
[Tenor](/fundamentals/tenor)\
[Email replies](/fundamentals/email-replies)\
[Mentions](/fundamentals/mentions)\
[Reactions](/fundamentals/reactions)\
[Smart Reply](/fundamentals/smart-replies)\
[Live Streaming by api.video](/fundamentals/video-broadcasting)

### Collaboration

Extensions that help with collaboration. *Recommended for advanced apps.*

[Collaborative Whiteboard](/fundamentals/collaborative-whiteboard)\
[Collaborative Document](/fundamentals/collaborative-document)

### Security

*Extensions that help you to build adding extra security to your apps.* *Recommended for live streaming and event apps.*

[Disappearing messages](/fundamentals/disappearing-messages)\
[End to End Encryption](/fundamentals/end-to-end-encryption)

### Customer Support

Extensions that help you add support to your app. *Recommended for advanced apps.*

[Chatwoot](/fundamentals/chatwoot)\
[Intercom](/fundamentals/intercom)

### Notifications

Extensions that help alert users of new messages. *Recommended for all apps.*

[Push Notification](/notifications/web-push-notifications)\
[Email Notification](/notifications/email-notifications-extension-legacy)\
[SMS Notification](/notifications/sms-notifications-extension-legacy)

### Moderation

*Extensions that help you to build a safe messaging environment.* *Recommended for live streaming and event apps.*

[Legacy Moderation Extensions](/moderation/legacy-extensions)