BOM revision comparator
Compare two exported bills of materials and identify added, removed or changed parts.
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BOM revision comparator
Review the difference between two bill-of-materials exports before a design handover. Use a stable part identifier to match rows and inspect added, removed or changed parts. Confirm flagged quantity and revision changes against the engineering source documents.
How to use this tool
- Enter the details above.
- Review the settings and create your result.
- Download and check the output before using it.
Available settings
- Part identifier column
Output and limitations
Compare two exported bills of materials and identify added, removed or changed parts.
Paste comma-separated CSV with the same headers and a unique, nonblank part identifier per row. Compares cell text exactly, including quantities and revisions. Up to 12,000 characters per input. This is a revision review aid, not production approval.
Where are my files processed?
Selected files are processed in your browser. Importing a URL uses the download service to retrieve the remote file.
What if processing fails?
Check the supported formats and file limits, then try a smaller file. Keep an original copy. A clear error message will explain an unsupported input or an unavailable processing service.