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Formula Audit XL
Download free

Excel formula auditing add-in

Audit any Excel model with confidence.

Trace formula logic, surface hidden errors, and x-ray an entire workbook in minutes, right inside Excel.

Download free See pricing

For Microsoft Excel on Windows: 2016, 2019, 2021 & 365 · No data leaves your machine

Q4-model-final-v7.xlsx
A
B
C
D
E
1
2
=B2*1.2
3
4
=B2*1.2
5
=[1]!A4
6
2 hardcodes 1 external link Traced

Used by analysts in banking, private equity, Big-4 audit & corporate finance

  • Investment Banking
  • Private Equity
  • FP&A
  • Big-4 Audit
  • Consulting
  • Corporate Finance

The problem

Every model hides a landmine.

Native Excel can find these, but slowly: one cell and one sheet at a time. On a real model, that’s how errors slip through.

Broken precedents you can’t see

A mistyped reference still returns a number. Native tracing checks one cell, on one sheet, at a time.

External links that silently change numbers

A link to a file you forgot about updates your model overnight. Edit Links misses links hidden in names, charts and validation.

Hardcodes buried in formulas

A magic number pasted into a formula breaks every scenario downstream, and nothing flags it.

What it does

Four ways to trust your model.

Explore precedents & dependents

Open an interactive drill-down tree of everything that feeds (or depends on) the active cell, across sheets, ranges and named ranges (Ctrl+Q / Ctrl+Shift+Q).

  • Interactive, step-into tree
  • Finds range & named-range dependents
  • Understand any formula instantly
Learn more about Explore precedents & dependents

Model Check

One click produces a full-workbook health report: a per-sheet detail table plus a scorecard of errors, circular refs, broken links, hardcodes, dead cells and more (Ctrl+Shift+R).

  • Whole-workbook x-ray
  • Counts 10+ risk categories
  • Lists hidden & very-hidden sheets
Learn more about Model Check

Cell Map

Colour-code every cell by type (inputs, formulas, cross-sheet and external references, hardcodes) to see a model's structure at a glance. Reversible in one click (Ctrl+Shift+M).

  • Colour by cell type
  • Editable legend
  • Plus AutoColor font conventions
Learn more about Cell Map

Inconsistent Formulas

Scans the sheet and lists cells whose formula breaks the row/column pattern of their neighbours (the classic overtyped mistake), tuned to keep noise low (Ctrl+Shift+I).

  • R1C1 pattern comparison
  • Ignores legitimate exceptions
  • Catch one broken cell in a copied range
Learn more about Inconsistent Formulas

Better than built-in

Formula Audit XL vs native Excel auditing

Excel’s built-in Formula Auditing tools are fine for one cell. Formula Audit XL works across the whole model.

Capability Formula Audit XL Native Excel
Whole-workbook health report no
Explore precedents/dependents as a tree One-cell trace arrows
Finds dependents via ranges & named ranges no
Detect inconsistent (overtyped) formulas Per-cell warning only
Audit every defined name no
Colour-code cells by type no
Jump straight to the cell from a result list no

Who it’s for

Built for everyone who lives in models.

FP&A

Close the month with confidence

Explore

Corporate finance

Trustworthy models, faster

Explore

Investment banking

Pitch-ready, error-free

Explore

Audit

Review models in a fraction of the time

Explore

Consulting

Hand over models you can stand behind

Explore

Private equity

Diligence models with certainty

Explore

Not ready to install?

Try the free Circular Reference, External-Link & Hardcode Finder. Runs in your browser, nothing uploaded.

Try the free tool

Pricing

Simple pricing for serious modellers.

Free

€0 forever

The web tools + a limited add-in tier to try the core.

Download free (Free plan)
  • Free web tools (circular-ref, link & hardcode finder)
  • Read-only precedent / dependent tracing in Excel
  • Capped model size
  • Community support

Individual

€49 per year

The full auditing toolkit for one analyst.

Start (Individual plan)

Prefer a one-time licence? Get lifetime for €129.

  • Everything in Free
  • Explore Precedents & Dependents (full tree)
  • Model Check: whole-workbook health report
  • Cell Map + AutoColor
  • Inconsistent-formula, named-range & error checks
  • Email support
Most popular

Team

€15 per seat / month, billed annually

For finance teams who review each other’s models.

Start a team trial (Team plan)

Volume pricing for 10+ seats. Contact us.

  • Everything in Individual
  • Multi-seat licence & admin console
  • Shared audit standards
  • Priority support & onboarding
  • Invoicing & VAT handling

Compare all features →

Stop eyeballing models. Start auditing them.

Download free See pricing

For Microsoft Excel on Windows: 2016, 2019, 2021 & 365 · No data leaves your machine