Ballot Proofing Workbench

Upload the ES&S export set directly — everything runs locally in your browser. Start with the Ballot Assignment Chart and Ballot Proof to get the contest-set cross-check; the other exports slot in as you add them.

Source Documents

Precinct List
PDF · ES&S "Printable View"
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Contests & Candidates
PDF · authoritative contest/candidate list
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Questions & Referenda
PDF · may be empty for this election
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Ballot Assignment Chart
XLSX · Grid view
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Ballot Proof
PDF · one or more files, any number of precincts/styles each
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Files are parsed locally in this browser tab. Nothing is uploaded anywhere.
Waiting on files Upload the Ballot Assignment Chart and at least one Ballot Proof PDF to run the contest-set cross-check. The Precinct List works on its own — drop it in any time and its completeness check appears above, matched against whatever else you've loaded so far.
This tool uses AI-assisted analysis and has been tested against a limited number of election jurisdictions. It does not substitute for human verification of the ballot proof against official source documents. This tool's developers make no express or implied warranty as to its ability to detect all discrepancies.
build 35 removed all Ready for Tuesday branding (logo, wordmark, favicon, colors, fonts) and reworded the disclaimer to name no organization; restyled with the Greenwich Registrars of Voters brand's colors (green/gold) and fonts (Lato/EB Garamond) — no logo used