AMF0

amf0 icon

Charles AMF dump

File type: Various data file

A .amf0 file is an AMF dump created or used by the Charles Web Debugging Proxy.

It contains data captured in the Action Message Format (AMF), using the AMF0 encoding.

What is amf0 file?

File type category:
Various data file

Date updated: October 9, 2026

The .amf0 file extension is associated with Charles Web Debugging Proxy, a tool from XK72 for controlling, monitoring, and debugging HTTP and SSL/HTTPS traffic on Microsoft Windows.

The .amf0 file contains an AMF dump. AMF is a binary message format used to represent structured data exchanged between applications, and AMF0 is one of its encodings.

The file is part of Charles's handling of captured AMF traffic. Its MIME type is application/x-charles-amf.

How to open amf0 file?

Open the .amf0 file with Charles Web Debugging Proxy on Microsoft Windows. If double-clicking the file does not open it, start Charles and use its file-opening or import command, where available.

The file is intended to be interpreted by Charles; a regular text editor will not display the AMF data correctly.

How to convert amf0 file?

Open the .amf0 file in Charles to inspect the decoded content. If a different representation is required, export or copy the displayed data using the options provided by Charles.

Suggested software to open amf0 file:

Associated software actions with the amf0 file

Software apps that create amf0 files:

Software applications that handle other tasks involving amf0 files:

Related file extensions