Excel Formula Checker
Audit a formula for errors before it reaches production.
Paste a formula and get a static analysis: unbalanced parentheses, wrong argument counts, mismatched range sizes, missing absolute references that will break on fill, and the classic VLOOKUP-without-FALSE bug.
- Price
- Free
- Your files
- Never uploaded
- Runs
- In your browser
or drag it here
· up to 50 MB · processed locally, never uploaded
Excel and spreadsheet files only. Export from Google Sheets as .xlsx or .csv.
Files stay on your device
What it does well
- Syntax validation with the exact character position of each problem
- Fill-safety analysis that catches missing $ anchors
- Detection of the ten most common causes of #N/A, #VALUE! and #REF!
How to use Excel Formula Checker
- 1
Paste the formula that is misbehaving.
- 2
Say which cell it lives in and where it gets filled to.
- 3
Read the findings, ordered by severity.
- 4
Copy the corrected formula.
Watch a walkthrough
Common problems and fixes
It reports a problem in a formula that works today.
Fill-safety and approximate-match warnings describe formulas that work now but break when copied or when data grows. Both are worth fixing.
A locale-specific formula is reported as invalid.
Set your separator convention to semicolon in the options and re-run the check.
Frequently asked questions
More formulas tools
Describe what you need in plain English and get a working formula, or paste an existing one to see it explained and audited step by step.
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