What is an FDX file?
An .FDX file is primarily a Final Draft Document. Screenwriters use the Final Draft software to write and format scripts for television and movies. The .FDX format replaced the older .FDR format. Because the .FDX file stores text and formatting rules in the standard XML format, it is easy to read and transfer between different programs.
Some .FDX files have different purposes. They can be a search engine fields index file used by Apache Lucene, or a Food Data Exchange file. If you are unsure about your file, viewer.online/fdx analyzes .FDX files to identify their exact format and creator software, shows which programs can open the file, and usually previews it.
How to open FDX files?
You can open a standard Final Draft Document using Final Draft on Windows or macOS. Because the file uses XML, you can also open it with basic text editors like Microsoft Notepad or Apple TextEdit to see the raw text. However, plain text editors will not display the script formatting correctly.
Software and tools
Other screenwriting tools often support the .FDX format. Programs like Fade In and Highland can import these files. For developer files, you manage Apache Lucene index files using Java libraries and Lucene command-line tools.
Summary
Because .FDX files use the known XML format, viewer.online/fdx can safely open and display them online, eliminating compatibility problems. You can read the script directly in your browser without installing expensive screenwriting software.