The premium browser extension designed for researchers, designers, and thinkers. Annotate websites with typographic precision.

Highlight any text or image on any website. Our engine preserves the semantic structure of the page.
Add rich-text notes, tags, and connections. Create a mental map of your research as you browse.
Sync to your cloud of choice or export as a beautifully formatted PDF ready for publishing.
Core Capabilities
Pixel-perfect highlights that stay in place, even when pages update or change layouts.

Real-time backup to Notion, Obsidian, and Google Drive effortlessly.
Convert your web highlights into citation-ready academic PDFs in one click.
MarklyKit understands the context of what you annotate, automatically suggesting related tags and themes.
Focus on your research, not your bill.
For individual researchers and hobbyists.
Unleash full editorial control and batch processing.
Join 20,000+ researchers using MarklyKit to build their digital second brain.
No credit card required. Setup in 30 seconds.