Trelby: A Comprehensive Screenwriting Tool

Trelby is a free, open-source screenwriting application that caters to the needs of writers across various platforms. With its robust features and user-friendly interface, Trelby has become a valuable tool for both aspiring screenwriters and seasoned professionals.

Key Features

One of the standout features of Trelby is its automatic formatting capability. This ensures that scripts adhere to industry standards without requiring the user to manually adjust formatting. The program also offers pagination, which helps writers manage the length of their scripts effectively.

Additionally, Trelby includes a spell checker and an autofill function that assists in creating structured text. The application supports multiple display modes, including Draft, WYSIWYG, and Full Screen, allowing writers to choose a view that best suits their writing style.

Character Database

Trelby boasts a unique database of over 200,000 character names. This feature enables writers to quickly find suitable names for their characters, enhancing the creative process. This extensive database is particularly useful for screenwriters who are looking to develop diverse and culturally relevant characters.

PDF Generation and Export Options

The flexible PDF generator in Trelby allows users to add watermarks and embed fonts, providing customizability for script presentations. Furthermore, Trelby supports importing from popular formats such as Celtx, Fountain, and Adobe Story, making it easier for writers to transition to this software. Users can also export their scripts in various formats, including PDF, HTML, and plain text, ensuring compatibility with different platforms and collaborators.

Mac Compatibility

As of September 2024, Trelby has expanded its reach by offering a version compatible with Mac. Although the installation process is described as somewhat cumbersome, it marks a significant step in making the application accessible to a broader audience of screenwriters.

Ongoing Development

Trelby is continuously evolving, with updates that modernize its packaging and installation processes. Recent enhancements include support for undo/redo functions and improved import/export capabilities for Fountain files, further solidifying its position as a feature-rich screenwriting tool.

Conclusion

Trelby stands out as a comprehensive and user-friendly solution for screenwriters looking for a free and powerful writing tool. With its emphasis on professional formatting, extensive character database, and ongoing development, Trelby is well-suited for writers at any stage of their screenwriting journey.

Update: 03 Nov 2026