AMF Decoder

Decode AMF data online. Read the input conventions, configure the available options and copy or download the result in your browser.

Free · No sign-up required

Text input

Your result is ready to copy or download after running.

Tool options

About AMF Decoder

Action Message Format (AMF) is a binary format used to serialize object graphs such as ActionScript objects and XML, or send messages between an Adobe Flash client and a remote service, usually a Flash Media Server or third party alternatives.

Input: binary bytes (text input uses UTF-8; a file retains its original bytes). Output: structured JSON.

Format reference: AMF Decode background and specification

Example

Use “Try example” to load this public sample and its settings, then run it.

Settings used in this example
ParameterExample valueInput and choices
FormatAMF0AMF0, AMF3

Input

Sample file · 8 bytes

Download the sample

Result

{"marker":2,"length":5,"$value":"Hello"}

Parameters

ParameterDefault valueInput and choices
FormatAMF3AMF0, AMF3

Before interpreting the result

Choose a decoder for an encoded payload, an encoder for transport, or a converter for structured data. Hex and Base64 represent bytes; converting formats does not encrypt or authenticate them.

How to use this page

  1. Paste your input or open a local file.
  2. Adjust tool options if needed, then choose Run tool.
  3. Copy the result or download the original output bytes.

Inputs and results are not added to the public catalogue or saved in the URL. Processing happens in your browser; HTTP Request and DNS over HTTPS send the requests you explicitly run. Files up to 128 MiB can be opened; decompression and image tools may have smaller processing limits. Large results have a shortened preview. Text and HTML downloads use UTF-8; binary downloads preserve output bytes. Pasted text follows browser newline handling; open a file when exact input bytes matter.

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