Live demo • Audits run in your browser

Catch hidden spreadsheet issues without sending data to the cloud.

SheetAudit inspects your Excel and CSV files locally, surfaces structural issues and risky formulas, and turns everything into a clean list of findings you can action immediately.

Open the sample workbook to see it in motion, then create an account to run audits on your own spreadsheets when you're ready.

Runs locallyNo uploadsxlsx + csv support
SheetAudit preview workbook with audit issues

94% of spreadsheets contain serious errors.

Research shows almost every workbook hides critical faults while 90% of teams still swear theirs are perfect. Overconfidence keeps errors in production and silently costs millions. Source

Fact 01

94% of spreadsheets break

From FP&A models to ops trackers, unchecked formulas routinely hide mistakes that ripple into decisions and reporting.

94%

Fact 02

90% of users don’t notice

Most analysts believe their files are flawless, so those errors never get retested. Confidence isn’t a control.

90%

SheetAudit catches the quiet failures before your models make the news.

Built for people who actually live in spreadsheets.

Swap manual checks for instant visibility into brittle, inconsistent, or risky areas in your workbooks without emailing files around or uploading them to random servers.

Deep structural audits

Spot inconsistent formulas, hardcoded totals, duplicate keys, unused ranges, and more across entire workbooks.

Local-first privacy

Audits run entirely in your browser. When you enable AI summaries, only structured finding metadata leaves your device.

Actionable finding list

Group by severity, jump straight to problem cells, mark items as reviewed, and export findings for your team.

Local-first security

Your spreadsheets stay on your device.

SheetAudit is built for finance teams who care about confidentiality. Workbooks are parsed in memory inside your browser; no raw cells touch our servers.

Data in

0 uploads

Audits execute via WebAssembly workers in your browser.

Data out

Metadata only

Optional AI summaries send anonymised finding descriptors.

Local audit engine

Parsing, formula analysis, and structural checks all run client-side via WebAssembly and dedicated workers.

Metadata-safe summaries

When you request a summary, we send anonymised finding metadata (not raw cells) to our AI service and discard it immediately.

Preview without risk

Explore a fully populated demo audit at app.sheetaudit.com/preview before uploading your own files.

Start free, upgrade when you need more.

SheetAudit is built for analysts, accountants, and teams who care about clean models. Start with a generous free tier, then upgrade if it becomes part of your daily workflow.

Free

$0• no card required

  • • 3 full workbook audits
  • • 3 AI summaries
  • • Access to the preview demo workbook
  • • Export findings as CSV
  • • Export AI summaries as PDF
Create free account

Takes about 30 seconds

Pro

Beta

$15• billed monthly, cancel anytime

  • • Unlimited workbook audits
  • • 100 AI summaries per month
  • • Access to the preview demo workbook
  • • Export findings as CSV
  • • Export AI summaries as PDF
Upgrade to Pro

Cancel anytime, no hidden fees

See SheetAudit in action in under a minute.

Open the live demo workbook, explore real findings, and then create a free account to run 3 audits and 3 AI summaries on your own spreadsheets.