File Extensions Python Packages

fleep

File format determination library for Python

content-types

A Python library to map file extensions to MIME types without accessing the file data. #pypackage

fileformats

a Python package for the specification, validation and manipulation of file formats and types

fileformats-extras

a Python package for the specification, validation and manipulation of file formats and types

addext

Python script to add file extensions based on PRONOM ID (PUID)

notateit

NotateIt Viewer Remake is a cross-platform GUI and CLI tool to open, view, and extract assets from the old proprietary .nat presentation format. Built with Python and PySide6, it features a presentation mode and headless data extraction, rescuing embedded images and text into JSON. Ideal for digital archiving and format recovery.

binary-extensions

Check if a file or extension is binary, and iterate over 250+ known binary file types including images, videos, archives, and executables. Python port of binary-extensions npm package.

text-extensions

Check if a file or extension is text, and iterate over 300+ known text file types including source code, markup, data formats, and configuration files. Python port of text-extensions npm package.

pyextension

Get info for any file extension via simple terminal command.