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.
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.
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".
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
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