Pencil Portable includes a variety of pre-built shapes to draw various user interfaces that support desktop and mobile platforms. Android and iOS UI stencils are pre-installed.

Pencil Portable includes a variety of popular drawing features that simplify drawing operations. It comes with a range of shape collections by default, such as general-purpose shapes, flowchart elements, desktop/web UI shapes, and Android/iOS GUI shapes. You can additionally access many other community-created collections that are widely distributed on the Internet. Adding a collection to Pencil is simple and can be done via drag n' drop. More stencil collections are available, and clipart can be added easily as it includes a clipart browser tool that can be integrated with OpenClipart.org, allowing you to quickly find clipart via keywords and add them to a drawing. Clipart examples listed by Pencil are in vector format, allowing easy scaling to appropriate sizes.

Pencil Portable supports connectors that can link shapes together in a diagram. The Pencil project also allows for exporting to various formats such as PNG, web page, PDF, SVG, and Open Document.

Pencil Portable is an exceptional organizational asset that enables developers and regular users to create semi-refined mockups of their in-process ideas. With this tool, you can effortlessly evaluate different design iterations and identify the most optimal flow to achieve the desired outcome. Whether you're building a new product, designing a website, or developing an app, Pencil Portable offers a user-friendly platform to capture your ideas and bring them to life.

Installer version is also available.