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Finance Auditor

Run the first-pass tests an auditor reaches for — Benford, duplicates, split payments, cut-off and more — on a ledger or bank file, and print a working paper. Private.

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Disclaimer: These are detection heuristics, not an audit opinion. A test flags amounts that look unusual; it is not proof of error or fraud. Clear every exception against the source documents, and rely on a licensed professional for financial-statement or tax work.

Load a ledger, bank or payables file (CSV/TSV) and switch on the tests that fit it, each with a one-line explanation of what it does, what it cannot tell you, and the data it needs. The twelve cover Benford's leading-digit analysis (Nigrini mean-absolute-deviation bands with the chi-square p-value shown), duplicates and near-duplicates, round and repeated amounts, a pile-up just below an approval limit, split transactions that together pass a limit, weekend and holiday postings, gaps and repeats in document numbers, outliers per vendor or category, a new vendor's large first payment, negative and reversing entries, a trial balance of debits and credits, and period-end cut-off. You can reconcile two files, pull a random or attribute-based sample, get an overall risk score, and print a working paper plus an exceptions CSV that records each finding, why it was flagged, the source row and the amounts. Runs entirely in your browser; the file never leaves your device.

Runs where you work

desktopmobileoffline

Built for a private workflow: local-first execution, no forced cloud dependency, and a clear path to use it on a laptop or phone without an API key.

Included value

Twelve tests, each explaining what it checks, its limits and the data it needsBenford leading-digit test with MAD conformity bands and chi-square p-valueDuplicates, near-duplicates and suspiciously repeated amountsSplit-payment detection and just-below-approval-limit clustersDocument-number gaps and repeats, outliers per vendor or categoryTwo-way file reconciliation and random or attribute-based samplingPrintable working paper and exceptions CSV

Each product is designed to feel personal, useful, and complete without turning your work into an external dependency.

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Preview

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This product is a live, in-browser experience — not a file to preview.

Free to play right now, in this browser, no download or account required.

Play now →

Runs entirely in your browser with no API key or account. Open a CSV/TSV file and switch on a test; the file is not uploaded.

What's included

Live tool at /play/finance-auditor (free, unlimited use, no account)
Commercial license: white-label/embed this tool on your own site

Built with

TypeScriptReact

Runs in your browser: nothing to install

Engine in src/lib/finance-auditor, verified by scripts/test-finance-auditor.ts (474 checks).

License & pricing

Try it before you buy. This tool is free to use on the site: open it.

Free to Use

Free

For your own work or your own business. No client work, and no resale or redistribution of the files.

Embed / White-Label License

$34

Use across client work or resell the output. No reselling the source files/template itself.

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SaaS Tools — publishing standard

Required deliverables: Source code or hosted access, README, Setup guide, Run proof
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Personal vs. commercial license tiers offered

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