Attach your own hyperlinks to anywhere

Hylinker is a browser extension that helps you annotate webpages & PDFs (Chrome, Edge) and connect them with bi-directional links. Support Chrome, Safari, Edge and Firefox.

Free to use. No registration required.

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Annotate with bidirectional links

Annotate text, images & videos and Connect them with bi-directional, one-to-many links. Hylinker combines annotation with hyperlink to help you build your own web.

See how to use Hylinker.

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Use the Zettelkasten/slip-box method

You can manage annotations and take notes with the Zettelkasten/slip-box method.

To open this interface, click "Hylinker" in a new tab or right-click "Hylinker" and choose "Options".

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Integrate with Note Apps (OneNote, Notion)

In addition to syncing annotations to Note Apps, you can retrieve notes from Note Apps and connect to them.

Don't worry, the data from Note Apps is only saved on your own device and will not pass through our server. Learn More

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More features

Offline-first

All features except sync service are free to use and available without signing in.

Global search

Search keywords in the annotation libary, even offline.

Local storage

Your data will be stored only on your devices unless you use our sync service.

Cloud synchronization

Synchronize data in real time across devices.

Export data

Export and save data into a local file.

Share & Collaborate

Share annotations and collaborate with friends.In development

Build a web as you think