ctxport

Overview of ctxport

What it is

CtxPort is a browser extension that copies AI conversations as structured Markdown Context Bundles. It supports ChatGPT, Claude, Gemini, DeepSeek, Grok, Doubao, and GitHub Issues & PRs. It works offline, processes data locally, and requires no account or upload.

Key features

• In-Chat Copy Button: a copy button appears in the conversation to copy the entire thread.
• Sidebar List Copy: hover over any conversation in the sidebar and copy without opening it.
• Keyboard Shortcut: Alt+Shift+C copies the current conversation instantly.
• Multiple Formats: Full, User Only, Code Only, Compact.
• Context Bundle format: structured Markdown with frontmatter metadata (source, URL, title, date, node count, format).

Use cases

• Transferring conversation context between AI tools (e.g., from ChatGPT to Claude).
• Saving conversations as structured Markdown files for personal knowledge bases.
• Sharing conversation snippets with team members via clean .md files.
• Extracting code blocks from conversations using Code Only mode.

Getting started

Install from Chrome Web Store (coming soon; currently in development). To build from source:bashgit clone https://github.com/nicepkg/ctxport.gitcd ctxportpnpm installpnpm buildpnpm dev:extThen load the unpacked extension from apps/browser-extension/dist/chrome-mv3-dev in chrome://extensions.

License and pricing

The project is open source under the MIT license. No pricing information is stated.

Based on the project's public README and repository metadata.