Opening a PYC File

The PYC file type is primarily associated with Python.

PYC	File extension: PYC
	File type:	bytecode

What is a PYC file?

PYC files mostly belong to Python by Python Software Foundation. A PYC file contains bytecode for a Python module generated from PY files imported as a module. The first time a developer imports a module, Python interpreter automatically generates bytecode from that module and saves it as a PYC file to speed up future imports. Bytecode comprises platform-independent low-level code which can be executed by Python. Because bytecode is closer to machine language, the interpreter wouldn't have to parse/interpret the PYC file every time it is imported into an application module. Python updates a PYC file whenever the interpreter loads/executes an updated PY module.

How to open a PYC file

You need a suitable software like Python to open a PYC file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PYC file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PYC file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PYC Text Viewer

Choose your .pyc file to analyze

or drag and drop it here

Online File Viewer

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PYC file format:

If you can determine the file format, the associated program can also be determined. The file format can be determined based on the file extension and the signature (the first few characters of a file). However, different programs can use the same file extension, and file extensions can be assigned incorrectly. If there are problems opening a file, you must first determine the file format used. Our evaluation of the PYC files is as follows:

PYC is a very commonly used file extension and includes various formats for various programs. The following file formats are most commonly found in PYC files:

• 30% of all PYC files are associated with CPython 2.7 bytecode. They consist of unreadable binary data. A typical file size is 5 KB. The file type was developed only in the last few years. The following filename is common: __init__.pyc. Files like these have the following tags: init, shaytan, python, config, data, utils, user and collide.
• 20% of all PYC files start with the bytes B crucial for this file format. They consist of unreadable binary data. The files are on average 2 KB in size and range from 480 bytes to 13 KB. These files are often associated with cpython, settings, career, tuning, model and functions.

The remaining 50% of all PYC files are different files with different signatures, often, for example, CPython 3.5 bytecode, CPython 2.6 bytecode, CPython 3.4 bytecode, CPython 2.5 bytecode, CPython 2.2 bytecode, CPython 1.x bytecode and CPython 2.4 bytecode. Sometimes used for server, models, client, code, script, admin, core or task. You can get all the details of your PYC file by dragging it onto this page or by clicking the button "Choose your .pyc file to analyze" above.