Squid: Take Notes, Markup PDFs

Overview

Squid is a trusted digital notebook designed for natural handwriting and PDF markup on Android devices. It helps you replace paper, save money, and reduce waste while keeping notes accessible across devices.

With a history of over 12 years in the market and more than 12 million installs, Squid is built for serious work, study, and creativity.

Core capabilities

• Paper-like handwriting experience on Android tablets, phones, and Chromebooks using a stylus or finger
• PDF markup with annotations, highlights, and drawings directly on documents
• Unified notes and documents for research, planning, and collaboration
• Fast, intuitive interface that keeps you in flow
• Offline access to your latest notes
• Export and share options for easy distribution and archiving

Why Squid stands out

• Reliable, long-standing software from Steadfast Innovation, LLC
• Digital-first solution that helps you save money and reduce waste
• Designed for Android ecosystems: tablet, phone, and Chromebook compatibility

Who should download Squid

Students, professionals, and creators who crave a natural writing experience and strong PDF annotation features will find Squid indispensable.

About the developer

Squid is brought to you by Steadfast Innovation, LLC, a trusted name in digital note-taking solutions.

Get started

Download Squid today and transform your digital notes into a productive workflow.