Extension Capabilities

Features for Modern Research

From sticky notes and pencil sketches to global research sidebars and high-fidelity PDF exports. Every tool you need to master your digital sources.

The Precision Toolkit

8 annotation tools in one floating toolbar — highlight, draw, blur, and take notes without leaving the page.

Pen
Marker
Arrow
Circle
Rectangle
Sticky
Blur
Eraser
01

Drawing & Geometrics

Don't just mark text — shape your ideas. Use our freehand Pen or precision Geometric tools (Lines, Arrows, Circles, Rectangles) to diagram complex structures directly on any website.

Accuracy

Crisp vector shapes at any zoom level.

Customization

Variable stroke weights (1px to 30px).

02

Smart Highlighting

Our semantic markers don't just paint pixels. They anchor to the underlying data structure, ensuring your highlights and margin notes stay perfectly positioned across browser refreshes.

  • Multi-color selection palette
  • Integrated note-taking popovers
semantic anchoring
03

Privacy Masking

Research often involves sensitive data. Use the Blur Tool to instantly mask PII, passwords, or personal records before exporting or presenting your findings.

Security first

Perfect for technical audits and legal research.

04Pro

Sticky Notes & Sidebar

Unlock the full workspace. Draggable Sticky Notes allow for deep contextual synthesis, while the "All Notes" Sidebar provides a global search engine for your entire brain.

Drag me

MarklyKit Connector

Connected

Claude
OAuth
ChatGPT
OAuth
Grok
OAuth
search_research
get_folder_research
get_highlights_for_url
05Pro

AI Connectors

Plug your research straight into Claude, ChatGPT, and Grok. MarklyKit ships a built-in MCP server so your highlights, notes, and research folders become first-class context for any MCP-compatible assistant — no copy-pasting, no exports.

  • One-click OAuth for Claude.ai, Grok & ChatGPT (Plus/Pro)
  • Semantic search across every annotation
  • Pull research from folders, tags, or a specific URL

Utility & Power User Tools

Command Center

Cycle through tools with instant keyboard shortcuts. [P] for Pen, [M] for Marker, [B] for Blur.

Fluid UI

The toolbar is never in your way. Drag to reposition, or cycle through four preset edge alignments (Top, Bottom, Left, Right).

Focus Mode

One-click visibility toggle. Instantly hide all annotations to reveal the clean, original source, then bring your research back with a tap.

Enterprise Ready

Institutional Archiving

Generate beautifully indexed PDF reports of your findings. Includes source metadata, timestamps, and semantic tags for long-term project archiving.

PDF Export
Sticky Notes (Pro)

Start Curating Your Web.

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