Markup

What it does

Markup is a Chrome extension that lets you annotate any page — localhost, staging, or live — and generate a structured fix brief to paste into Claude, VS Code, or Cursor. No AI, no API, runs entirely in your browser.

You built something with Claude or an AI editor. Now you're staring at the browser, spotting issues, losing context every tab-switch. Markup lives in your sidebar — leave a note on anything, generate one structured brief. Paste it in. Done. Open Markup from the toolbar. Leave a note on anything — localhost, staging, live, or file://. In Dev Mode, hover any element to pin your note to it with an exact CSS selector for developer handoff. Tag each issue: Bug, Design, Copy, or Question. Notes auto-save per URL — close the browser, they're still there. Works with Wispr Flow : dictate while you scroll. One button turns your notes into a structured markdown brief — sorted by severity, with exact…from getmarkup.dev

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  Here's the website: http://markup.io/ We created MarkUp at Medium to help make the QA process better for sites we're working on. Grab the MarkUp bookmarklet, go to some page in your browser, then click it to draw on the page. Publish to make a link you can share. We've tried similar tools like BounceApp, Notable, and Skitch. Everything else we found is screenshot-based or takes us out of the browser. We wanted something that felt quicker than screenshots and more integrated with the browsing experience. Instead of taking a screenshot, MarkUp snapshots the DOM in the current page, strips the…

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