Browser Extension

Visualise FIX Messages with Ease

Decode complex FIX messages into readable format with a single click. No more struggling with cryptic message formats.

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Before 
8=FIX.4.4●9=74●35=0●34=93●50=SENDER_SUB_ID●52=20241223-13:27:59.879348●56=TARGET_COMP_ID●10=243●
After
Decoded FIX message example showing a clean and readable format

Why Choose FIX Message Toolkit?

Everything you need to visualise FIX messages in your browser quickly and easily

Smart Detection

Automatically detects and highlights FIX messages across any webpage

Manual FIX Message Selection

Right-click any text in your browser and instantly view it as a FIX message.

Multi-Protocol Support

Supports multiple FIX protocol versions including FIX.Latest, FIXT1.1, FIX.5.x and FIX4.x

Field Validation

Automatically validates the Body Length and Checksum fields to highlight message integrity.

Multiple Delimiter Support

Support for various delimiters to handle different message formats and implementations.

Clean Display

Beautifully formatted output with clear tag separation.

Context Menu Integration

Right-click any text in your browser and instantly view it as a FIX message

Easy to Use

Simple one-click FIX message parsing within your browser.

Secure

All processing happens locally - no data sent to external servers.

How It Works

Get started in three simple steps

1

Install the Extension

Add FIX Message Toolkit to your browser with one click

2

Browse as Usual

Visit any webpage containing FIX messages. You can either click highlighted messages or simply right-click on any FIX message and select the context menu option to visualise it.

3

Click & View

Click on any FIX message and visualise it in a readable format in your browers sidebar

Ready to Get Started?

Install FIX Message Toolkit now and start visualising FIX messages in your browser quickly and easily

Chrome Edge Coming Soon Firefox Coming Soon

Choose your preferred browser to install the extension

Frequently Asked Questions

Answers to common questions about FIX messages, the FIX protocol, and the FIX Message Toolkit

A FIX message is a structured text message used in the Financial Information eXchange (FIX) protocol to communicate trading information between financial institutions. Each message consists of key-value pairs (tags and values) separated by delimiters.

The FIX protocol is an open standard for real-time electronic communication of securities transactions and markets. It is widely used by banks, exchanges, and trading platforms to ensure interoperability and efficient trade processing.

The extension automatically detects FIX messages on webpages, allows you click on the highlighted FIX message, and provides a clean, readable visualization of the message structure directly in your browser.

The FIX Message Toolkit supports multiple versions, including FIX.Latest, FIXT.1.1, FIX.5.0SP2, FIX.5.0SP1, FIX.5.0, FIX.4.4, FIX.4.3 and FIX.4.2, making it compatible with most modern and legacy FIX messages.

Yes, all FIX message processing happens locally in your browser. No data is sent to external servers, ensuring your information remains private and secure.

Yes, the extension supports various delimiters, so you can parse and visualize FIX messages regardless of the format used in your system.

Visit our Resources section above for guides on FIX messages, sample messages, protocol overviews, and standards. You can also explore the official FIX Trading Community website for more information.

FIX Message Toolkit uses the open-source fixparser TypeScript library to parse, decode, and validate FIX messages. This library provides robust support for multiple FIX protocol versions and ensures accurate message interpretation directly in your browser.

Yes, the toolkit automatically validates key FIX fields such as Body Length and Checksum, helping ensure message integrity and compliance with FIX standards.

Yes, FIX Message Toolkit is a great educational tool for understanding the structure and components of FIX messages, making it ideal for students, developers, and anyone new to electronic trading protocols.

FIX Message Toolkit is available for Google Chrome, with support for Microsoft Edge, Mozilla Firefox, and Opera coming soon.

Coming Soon

Exciting new features we're working on

More Browser Support

Firefox, Edge, and Opera extensions coming soon to bring FIX message visualization to your preferred browser.

Message Comparison

Compare two FIX messages side by side to easily spot differences and changes.