PromptCart

Context cart for LLMs — collect snippets, copy cited Markdown

Copying quotes, articles, and code from many tabs into ChatGPT or Claude? PromptCart saves selected text in a cart and exports one Markdown block with titles, URLs, and favicons — ready to paste.

Drag to select → shortcut to add. Search, reorder, edit, import/export. Preview in popup or new tab (styled / rendered / source). Light, dark, or system theme.

Features

Key features

Add from any page

Select text on a page and add it to your cart with a keyboard shortcut.

  • Works while browsing articles, docs, and code
  • Each item keeps page title, URL, and favicon

Cited Markdown export

Copy one formatted block with source metadata — no manual link hunting.

  • Copy selected items, copy all, or copy all then clear
  • Structured Markdown with title · URL · body

Organize your cart

  • Search items in the cart
  • Reorder, edit text, import & export
  • Popup or full new-tab preview: style / render / source

Theme

Light, dark, or follow system — comfortable for long research sessions.

Shortcuts

Default shortcuts

Alt + Shift + C
Add selected text to cart
Alt + Shift + V
Copy all cart as Markdown
Guide

Typical workflow

From browsing to LLM prompt:

  • Read articles and docs across several tabs
  • Select a quote or code block → Alt+Shift+C to add
  • Repeat until your cart has everything you need
  • Alt+Shift+V — paste cited Markdown into ChatGPT, Claude, Gemini, …
Users

Perfect for

  • Researchers feeding context into ChatGPT, Claude, or Gemini
  • Writers summarizing or analyzing content from many pages
  • Anyone building LLM prompts with proper source citations
Privacy

Privacy

  • Collected text stays in browser local storage only
  • Nothing is sent to developer servers

Install PromptCart and stop juggling scattered clipboard snippets.

URL

Chrome Web Store URLs

Register these paths in the Chrome Web Store listing for PromptCart.

Store listing

Visitors are redirected by country (KR/JP) or browser language to /promptcart/en, /ko, or /ja.