Enhance your Reading.

Cahier is a desktop application that enables advanced note-taking and bibliography management in the same tool.

What is Cahier?

Your complete research companion

Cahier was built from scratch with native support for the learning and research workflows. It links knowledge capture and development in the same tool, enabling you to easily extract and combine insights from multiple sources.

Collect documents

Save PDFs of books, articles and any documents using tables and folders. When you start your next study, every source you need will be at hand.

Read and highlight

The built-in PDF reader enables you to read, annotate and highlight the PDF files in your library. You can also just store the notes you take of physical books and articles.

Expand your research

Extract passages around a common theme or concept from multiple sources. Your notes will become the information repository that you will work on latter.

Write your notes

Create notes with links to passages in your documents. Rearrange quotes using drag and drop to organize and sort your information.

Local storage

Your data stays in your computer. Use the application even with no internet connection.


Export your notes as markdown to backup or integrate with other software.

High information density

View as many items as possible, with an user interface built to take full advantage of screen space.

Get started

Effective digital reading

Keep up to date

We'll inform you of major product releases and company announcements.