In a move that could reshape how developers and analysts interact with financial messaging protocols, Dubai-based capital markets software firm ZagTrader has permanently dropped the paywall on two of its most practical tools. The company announced that its FIX Parser and Log Analyzer, along with its MT/MX Parser, are now free for anyone to use — with no sign-up, no account, and no strings attached. For an industry where parsing financial messages often means expensive licenses or clunky open-source alternatives, this is a significant shift.
ZagTrader's FIX Parser and Log Analyzer and its MT/MX Parser are now permanently free, with no sign-up and no account. Both tools parse messages in the browser.
DUBAI, UNITED ARAB EMIRATES, November 15, 2026 /EINPresswire.com/ — ZagTrader, a capital markets software company headquartered in Dubai, today announced that its two public message tools, the FIX Parser and Log Analyzer at fixparser.zagtrader.com and the MT/MX Parser at mt-mx-parser.zagtrader.com, are free permanently, with no sign-up and no account. The FIX tools are ZagTrader's contribution to the trading community, and the MT/MX Parser is its contribution to the banking community.
The FIX Parser and Log Analyzer decodes FIX 4.0 to 5.0 SP2 messages and logs tag by tag, checks BodyLength and CheckSum, finds sequence gaps and follows each order from new to fill. Loaded with a whole log, it reports fill and reject rates, ack latency percentiles, reject reasons ranked by code and session health. It also offers a message builder, a side-by-side comparison of a client log and a broker log, a FIX dictionary for every version from 4.0 to 5.0 SP2, and troubleshooting pages for common session and order errors. A free HTTP API returns the same log statistics as JSON, HTML or text.
The MT/MX Parser decodes Swift MT and ISO 20022 (MX) messages: the header blocks, every field with its name and decoded value, 16R/16S sequences, ISO 20022 element trees with element definitions, and format checks for BIC, IBAN, ISIN, LEI, UETR, dates and amounts. Its reference pages cover MT message types, ISO 20022 messages, settlement status and reason codes, corporate action events and the MT to ISO 20022 equivalents. Free checkers for IBAN, BIC, UETR, ISIN, CUSIP, SEDOL, FIGI and CFI codes and an LEI search sit beside it.
Both tools parse in the browser: messages and logs that users paste or open are not uploaded. Logs sent to the FIX log analysis API are processed in memory and not stored.
The tools are built by the teams behind ZagTrader's FIX connectivity and Swift messaging. ZagTrader's platform runs FIX sessions to brokers, exchanges and venues, and its ZagFN network reaches 1,100+ destinations over one connection. Its Swift Engine builds ISO 15022 settlement instructions and reads back confirmations, status advices, holdings statements and corporate action notifications.
Documentation for both tools, together with API examples in shell, Python and JavaScript and a sample FIX log, is published on GitHub at github.com/ZagTrader.
About ZagTrader: ZagTrader is a capital markets software company headquartered in Dubai. Its front-to-back platform gives brokers, banks, exchanges, custodians, asset managers and family offices one system for trading, risk, margin and securities finance, settlement, custody, accounting and client reporting. 100+ institutions run on ZagTrader technology, with $500B+ in client assets on the platform, across 25+ markets and exchanges, in production since 2009.
Ghassan Al Masri
ZagTrader
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Why it matters: By removing the barrier of cost and registration from these specialized parsers, ZagTrader is lowering the entry point for developers, analysts, and smaller firms who need to work with FIX and Swift messages. This move could accelerate adoption of standardized message analysis across both trading and banking sectors, especially for teams that cannot justify the expense of commercial tools.
