Capsule Hub by Tilantra by Tilantra

Capture AI conversations as capsules and reuse context instantly across ChatGPT, Claude, Gemini and other Tools.

Available on Firefox for Android™

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About this extension

Capsule Hub is the context-transfer layer for modern AI workflows. Capture once, reuse everywhere.

Whether you brainstorm in ChatGPT, build in Claude, research in Gemini, or explore in DeepSeek, Capsule Hub turns your conversations into reusable "Capsules" so you never have to restate goals, constraints, or project background again.

Most teams lose time switching between AI tools and rebuilding context from scratch. Capsule Hub gives you a portable, searchable context system that moves with you across platforms.

How it works

Capture your context — in any supported AI chat, click Capture to save the core details of that conversation into a Capsule.
Save emails as Capsules — open an important email in Gmail or Outlook and turn the project details into a Capsule with one click.
Organise for your team — file Capsules into team folders such as Engineering, Marketing or Product so everyone works from the same context.
Drag and drop to inject — drag a Capsule from your library into any AI chat box. The assistant picks up the background, goals, constraints and attachments.
Keep context updated — add a new version to an existing Capsule or start a fresh one. Roll back or branch from any version.
Transfer attachments — carry the files you uploaded or generated across tools, not just the text.

Supported tools

ChatGPT, Claude, Gemini, Google AI Studio, DeepSeek, Perplexity, Grok, Microsoft Copilot, NotebookLM, Lovable, Replit, Emergent, Gmail and Outlook.

Requires a free Capsule Hub account. Paid tiers add capacity and team features — https://capsulehub.ai/

New: try the prompt enhancer via "Cook This Prompt".

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Permissions and data

Required permissions:

Download files and read and modify the browser’s download history
Access your data for sites in the usercontent.goog domain
Access your data for sites in the copilot.microsoft.com domain
Access your data for notebooklm.google.com
Access your data for claude.ai
Access your data for chat.openai.com
Access your data for chatgpt.com
Access your data for gemini.google.com
Access your data for aistudio.google.com
Access your data for chat.deepseek.com
Access your data for mail.google.com
Access your data for www.perplexity.ai
Access your data for lovable.dev
Access your data for replit.com
Access your data for app.emergent.sh
Access your data for copilot.microsoft.com
Access your data for grok.com
Access your data for outlook.live.com
Access your data for outlook.office.com
Access your data for outlook.office365.com
Access your data for guidera.tilantra.com

Optional permissions:

Access your data for sites in the google.com domain
Access your data for sites in the googleusercontent.com domain
Access your data for sites in the usercontent.goog domain
Access your data for sites in the myhuaweicloud.com domain
Access your data for sites in the s3.amazonaws.com domain
Access your data for sites in the copilot.microsoft.com domain
Access your data for notebooklm.google.com
Access your data for backend.tilantra.com
Access your data for chat.openai.com
Access your data for chatgpt.com
Access your data for gemini.google.com
Access your data for aistudio.google.com
Access your data for claude.ai
Access your data for chat.deepseek.com
Access your data for mail.google.com
Access your data for www.perplexity.ai
Access your data for lovable.dev
Access your data for ppl-ai-file-upload.s3.amazonaws.com
Access your data for copilot.microsoft.com
Access your data for outlook.live.com
Access your data for outlook.office.com
Access your data for outlook.office365.com
Access your data for replit.com
Access your data for app.emergent.sh
Access your data for grok.com
Access your data for assets.grok.com

Required data collection, according to the developer:

Authentication information
Personal communications
Personally identifying information
Website content