Question 1

What FIX protocol versions are supported?

Accepted Answer

FIX2Json supports FIX 4.0, 4.2, 4.4, 5.0, 5.0.SP1, 5.0.SP2, and FIXT 1.1. The tool automatically detects the FIX version from your message content.

Question 2

Is my FIX message data stored on your servers?

Accepted Answer

No, absolutely not. All FIX message processing happens entirely in your browser using client-side JavaScript. Your data never leaves your device and is not sent to our servers.

Question 3

How do I parse FIX messages from trading system logs?

Accepted Answer

You can paste log files directly into the input area. FIX2Json will automatically extract FIX messages from the log content, even when mixed with other text and timestamps.

Question 4

Can I export the parsed results?

Accepted Answer

Yes, you can export results in multiple formats: JSON (clipboard or file download), CSV file download, and individual message JSON copying. All export functions work entirely client-side.

Question 5

Which trading venues and exchanges are supported?

Accepted Answer

FIX2Json includes pre-configured parsers for popular trading venues with exchange-specific field definitions. The tool also supports standard FIX messages from any venue.

Question 6

How accurate is the FIX message parsing?

Accepted Answer

FIX2Json uses comprehensive field dictionaries with over 10,787 field definitions across all FIX versions. The parsing engine handles standard and custom fields with high accuracy.

Question 7

Can I use this tool for production trading systems?

Accepted Answer

FIX2Json is designed as a professional analysis and debugging tool. While highly accurate, always verify parsed results against your system's specifications for production use.

Question 8

Is the tool available in other languages?

Accepted Answer

Yes, FIX2Json supports 15 languages including English, Chinese (Simplified & Traditional), Japanese, German, French, Arabic, Korean, Dutch, Italian, and others.

FIX Protocol Reference - Comprehensive Field Dictionary with 10,787+ Fields