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Productivity · Assistant
CardGo
OrganicOperational
last checked 12 days ago
CardGo is a browser extension that creates encrypted context cards for use across multiple AI chat platforms. Users write structured context once and attach specific cards to conversations with ChatGPT, Claude, Gemini, Perplexity, or Grok. All cards are end-to-end encrypted on the user's device; CardGo's servers store only ciphertext.
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Pricing
Model: Freemium
Up to 7 end-to-end encrypted cards that sync across devices
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Price history
Listed monthly plan 0 USD/mo on 2026-08-31.
Change log
2026-08-31
Pricing
Lowest listed plan 0 USD/mo.
2026-08-31
Features
Added End-to-end encrypted context cards, AES-256-GCM encryption with per-card content keys, Vault key generated and stored locally on device, 15-word recovery phrase for vault restoration, Card sections: Profile, Now, Goals, Guidance, Memory, Timeline, Skills, Chrome extension for desktop Chromium browsers
2026-08-31
integrations
2026-08-31
Platforms
2026-08-31
Description
2026-08-31
Category
2026-08-31
subcategory
2026-08-31
business model
2026-08-31
Skill level
2026-08-31
target audience
2026-08-31
use cases
2026-08-31
hardware requirements
2026-08-31
offline capable
2026-08-31
data handling
2026-08-31
lock in score
Platforms
- Web
- Browser extension
Listed skill level: All levels
Compatibility
Official vs unofficial support comes from hardware_requirements_json. Missing fields are omitted, not treated as a fail.
Offline capable: No — needs a network connection
Operating systems
- Linux · Officially supported
- macOS · Officially supported
- Windows · Officially supported
Browsers
- Chrome · Officially supported
- Edge · Officially supported
- Firefox · Unsupported
- Safari · Unsupported
Works on desktop Chromium browsers including Chrome, Edge, Brave, and Arc. Mobile browsers cannot run extensions.
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Local vs cloud cost
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Works well with
Named integrations on this listing that also have their own page in the catalog.
ChatGPTPage indicates paid tiers exist ('See plans and pricing') but specific tier details, pricing amounts, and features breakdown are not provided in the text content. Mobile and desktop app availability not explicitly stated on this page. ClaudePage text provided only contains the tool name and URL. Pricing and feature information is based on common knowledge of Claude's standard offering, but specific details were not explicitly stated in the provided page text. Google Code Assist (Gemini)Gemini Code Assist provides AI-powered coding assistance and agents for developers and enterprises, available through IDE extensions and a terminal CLI. It offers code completion, generation, natural language chat, codebase-aware suggestions, and development task automation using Gemini 3 with a 1M token context window, alongside enterprise security controls and IP protection features.
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