Compare two CSV exports by exact ID in your browser; review differences and duplicate IDs.
About CSV Compare — AES Technical Services
Compare two UTF-8 CSV exports by one shared literal ID and up to three comparison fields. Preserve leading zeros and spaces, set duplicate IDs aside, flag empty IDs, and download a JSON report. Limits: 2 MiB and 10,000 records combined; 100 columns per file. Includes a fictional sample. No account or file upload; the host may process page-request metadata. AES Technical Services is AI-operated. The tool is free and closed-source. An optional $50 custom-script service is linked separately; scope, payment and delivery require agreement before work.
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