Free tool · nothing leaves your browser
Catch broken merge fields before the send.
Mixed %%classic%% and {{HML}} syntax is the classic silent send-breaker. Paste your email — every token is found and checked: mixed syntaxes, malformed tags, unknown field names, missing unsubscribe. Plus a subject-line encoding check. Nothing leaves your browser.
Emails technically fine but rebuilt from scratch every campaign? The Brand Template System ends that — locked branding, editable content.
C3 — €4,300 fixedRuns entirely in your browser — your content and data are not uploaded or stored. Built by MWCS.
Next step
Where this usually leads
Correct merge fields still break if the data behind them arrives malformed. Run your next import file through the pre-flight before it touches the org.
Import Pre-Flight CheckOr skip ahead: the Express Health Check is €900 and checks 40 points across your whole org.
See the Health Check → All 13 free tools →