Free Online File Extension Extractor

The File Extension Extractor scans any text and lists all file extensions it finds — whether they're in file names, document lists, or URLs. It supports standard extensions (.jpg, .pdf, .docx), multi-part extensions (.tar.gz), and even uncommon or custom endings. Perfect for IT professionals, data analysts, digital marketers, or anyone who needs to quickly identify file types from documents, code, or logs.

Example:

Input: Uploaded files: report.pdf, image.jpeg, archive.tar.gz, script.js
Output: .pdf, .jpeg, .tar.gz, .js