←TooL VoidCapsule Manager for Saving AI Context
Keep useful AI project context available between conversations. Save prompts, decisions, and working notes as named capsules, then search and restore the material when you return to a task. Capsules are stored locally in your browser.
New Desktop Tool
Capsule Manager
Never lose AI context again. Save your conversation, pick up exactly where you left off.
How It Works
Five steps from API key to portable AI context capsules.
01
Get Your Free Gemini API Key
Go to aistudio.google.com → Sign in → Create API Key → Copy it
Free tier resets every day — no credit card needed02
Download & Install Capsule Manager
Download for your OS (Linux or Windows) and install it on your PC
03
Paste Your API Key
Open Capsule Manager → Go to Settings → Paste your Gemini API key
04
Open Any AI in Your Browser
Launch Chrome, Brave, or Edge → Open Claude, ChatGPT, Gemini, DeepSeek, or Grok
05
Start Chatting & Save Capsules
Capsule Manager reads your conversation automatically. When context fills up → Click "Save Capsule" → Select which AI to continue on → Done!
Download Capsule Manager
Install the desktop companion and keep your AI sessions moving.
Requires a Chromium-based browser — Chrome, Brave, or Edge
Installation Guide
Linux Installation
After downloading the AppImage, make it executable and run:
chmod +x ~/Downloads/capsule-manager-1.0.0.AppImage
Launch it directly from terminal:
~/Downloads/capsule-manager-1.0.0.AppImage --no-sandbox
Windows Installation
Double-click the downloaded .exe file and follow the installer steps.
Capsule Manager will launch automatically after installation.
Supported AI Platforms
ClaudeChatGPTGeminiDeepSeekGrok
Set Up Your AI API Key (Optional)
For smart AI-generated summaries. Without it, raw capsules still work perfectly.
| Provider | Free Tier | Free Model | Paid Model | Limitations |
|---|
| Google Gemini | ✅ Yes | gemini-3.5-flash-lite | gemini-3.5-flash-lite | 15 RPM free |
| OpenAI | ❌ No | — | gpt-4o-mini | Paid only |
| Anthropic Claude | ❌ No | — | claude-haiku-4-5 | Paid only |
| DeepSeek | ✅ Yes | deepseek-chat | deepseek-chat | Limited free credits |
| Groq | ✅ Yes | llama-3.3-70b | llama-3.3-70b | 30 RPM free |
For most users, Gemini free tier (gemini-3.5-flash-lite) is the best starting point — no credit card required.
Your Data Stays on Your Device
🔒 All capsules are encrypted and stored locally on your computer
🚫 No data is sent to our servers — ever
💻 Capsule Manager runs entirely on your machine
A working memory for projects that span multiple AI chats
Capsule Manager is for people whose work outlasts a single conversation. A coding investigation may involve a repository map, decisions about an API, open bugs, and commands already attempted. A research project can accumulate source notes, definitions, and questions that should not be lost when a chat becomes unwieldy. A capsule keeps that handoff material together so a later session can start with the useful context instead of reconstructing it from memory.
It is especially useful when switching between assistants or dividing work into separate threads. For example, a developer can save the agreed data model and unresolved migration risks before opening a fresh debugging chat. A consultant can keep a client-specific brief separate from reusable discovery prompts. A writer can preserve a character sheet and editorial constraints while drafting chapters in different sessions. These examples are starting points: save only information appropriate to retain, and avoid placing credentials or confidential material into a capsule.
To make one, gather the context that would help another session continue: the goal, relevant background, decisions made, constraints, and the next concrete action. Create a capsule with a recognizable project name, add tags that reflect its subject or stage, and save the notes. Before resuming, search by name or tag, open the matching capsule, and review it for stale assumptions. Update the decisions and next step after meaningful progress, rather than treating an old snapshot as authoritative. Export a backup when you need an external copy, and remove capsules that are no longer useful. The tool stores these notes in the browser, so using another browser profile or clearing local site data may make them unavailable. A short handoff is often easier to maintain than a complete transcript: include links or filenames that matter, summarize why a decision was made, and mark unresolved questions explicitly. That makes the saved capsule easier to scan and less likely to carry irrelevant history into the next conversation.
Example: A developer can preserve an API decision and open migration questions before moving debugging into a fresh chat.
How to use it
- Write the goal, decisions, constraints, and next action.
- Save the notes under a project name and useful tags.
- Search for the capsule when returning to the work.
- Review and update it before using the saved context.
Frequently asked questions
Where are capsules saved?
They are stored in the browser profile and local site data used to create them.
Can I separate notes by project?
Yes. Use a recognizable capsule name and tags to distinguish projects or work stages.
Does a capsule update an AI conversation automatically?
No. Review the saved material and add it to the conversation where you want to continue.
What makes a useful capsule?
Include the goal, decisions, constraints, references, and next action; leave out credentials.
Will capsules appear in another browser?
Browser-local data is not automatically synchronized; use the available export or backup workflow.