Web Annotator

Highlight text on any webpage, add notes, and copy as markdown for LLM or note-taking apps. All data stays local.

Highlight and annotate any webpage — no account needed, no data uploaded. FEATURES • Highlight text on any webpage with one click • Add notes to your highlights • Review all highlights in a side panel that opens on the page • Pick exactly which highlights to export — everything is selected by default, untick what you don't need • Copy for LLM — formatted markdown with source context, ready to paste into any AI assistant • Copy as Notes — clean list format, ready to paste into any note-taking app • Per-site toggle — turn the extension off on sites where you don't want it • Highlights restore automatically when you revisit the page • Works on JavaScript-rendered sites (React, Vue, Next.js) — highlights are restored after the page finishes rendering • Storage usage indicator so you always know how much space is used • Browse every site you have annotated, and remove a site's highlights when you no longer need them • Clear all highlights on the current page in one click PRIVACY • All data is stored locally in your browser • No data is sent to any external server • No analytics, no tracking, no accounts • Open source (GPL v3) PERMISSIONS • storage — saves your highlights and notes locally in your browser • activeTab and tabs — reads the address of the current tab so highlights can be matched back to the right page • Access to all websites — the extension needs to run on any page you might want to highlight. It reads the page only to show and restore your highlights, and nothing ever leaves your browser TIPS • Select text → click "Highlight" or "Note" • Click a highlight to unhighlight or add/edit a note • Press Cmd+Enter (Mac) or Ctrl+Enter (Windows and Linux) to save a note quickly • Open the side panel to review all highlights on the current page • Data is stored locally — clearing browser data may delete your notes