DEV🔍DAX Code Checker
Paste your DAX formula and instantly find mismatched parens, missing RETURN, typos, and more
Rules: parenthesis balance / bracket balance / string closure / VAR-RETURN pairing / unknown function detection.
How this tool is used in the tutorials
Check DAX formulas: unbalanced brackets, missing RETURN, unknown functions
People searching for a Power BI DAX checker have usually just written a measure, hit a runtime error, and cannot make sense of the DAX message. Paste the formula here to catch the three most common issues instantly: unbalanced brackets, a missing RETURN clause and misspelled function names, with the offending row and column.
What it checks: whether round and square brackets are balanced - DAX often reports a missing bracket as a confusing expression error; VAR without RETURN (every VAR block must end in RETURN); misspelled function names (SUMM, CALCULAET) against the built-in list.
What it cannot check: context errors (row vs filter context), broken relationships and blank propagation, which only show at runtime; performance issues such as iterators over large tables; references to columns or tables that do not exist - compile once in Power BI for that.
Related tutorials: DAX core concepts and the DAX function reference series.
Note: checking happens locally and formulas are never uploaded; for harder cases run the AI deep check afterwards.
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