Your Spreadsheet Partner
for Data that Shines. ✨
Intelligent, context-aware audits for broken formulas, duplicate records, and format inconsistencies — so your workbooks always calculate and present with flawless precision. 📊💎
Upload Excel (.xlsx) or CSV (up to 1 MB free). Generation 1 is free directly on this landing page — no login required.
Drop a spreadsheet on the left or click "Upload" to inspect instantly (up to 1 MB free). 📊
Everything essential.
Nothing extra.
Streamlined spreadsheet quality control. No clutter, no complicated setups — just instant audit clarity and deterministic accuracy. 💎
Data clarity
Duplicate rows, blank records, and inconsistent headers — resolved with deterministic elegance.
Ledger tracking
Paid, unpaid, overdue sums and calculation discrepancies — audited at a glance.
Approvals
Pending to approved, never lost. Original files remain 100% untouched and safe.
Secure by design
AES-256-CBC encryption with 16-byte random IV. Your spreadsheet records, server-protected, always yours.
Engineered for absolute spreadsheet precision 💎
Built to uncover anomalies, audit broken calculations, and format data with deterministic confidence. 🌿
Detect spreadsheet errors
Find duplicates, missing data, invalid formats, and formula issues with rapid deterministic quality checks.
Clean inconsistent data
Trim phantom whitespace, standardize date and number casing, and safely resolve approved anomalies.
Formula auditing & repair
Identify Excel error values (#REF!, #VALUE!), broken references, and suspicious mathematical inconsistencies.
Cell-by-cell review workspace
Inspect exact worksheet, row, column, original value, and proposed fix before applying any changes.
Export corrected Excel files
Download clean corrected workbooks and validation reports without ever overwriting your original spreadsheet.
Private & encrypted at rest
AES-256-CBC encryption with 16-byte random IV. Files remain scoped to your workspace with strict ownership checks.
How SheetProof works in 5 simple steps 🌟
Plans for every level of precision 🌟
Generous upload limits that scale with your data volume. Transparent monthly pricing with instant access. 📊
- 📦1 MB max upload quota
- 🌱1st run free without sign-in
- 🔑2nd & 3rd runs with 1-click login
- 📊Multi-sheet .xlsx & .csv checks
- ⚡Generative issue triage & formulas
- 📥Clean corrected export & audit summary
- 💼10 MB max upload quota
- 🌿30 file inspections / month
- ⚡High-speed deterministic engine
- 📋Cell-by-cell coordinate triage
- 📥Clean workbook downloads
- 📑Audit compliance reports
- 💎25 MB max upload quota
- ✨100 file inspections / month
- 📑Multi-sheet & formula recursion
- 🧮#REF!, #VALUE!, & circular detection
- 🧹1-click bulk automated corrections
- 📜Full inspection history & audit logs
- 👑100 MB max upload quota
- 🚀300 file inspections / month
- 🏢Dedicated team vault & storage
- ⚡Parallel multi-file batch engine
- ⚙️Custom enterprise inspection rules
- 🛡️Priority engineer SLA support
Frequently Asked Questions ❓
❓ What file formats are supported?
.xlsx (Excel workbooks) and .csv spreadsheets are fully supported for upload, quality inspection, and corrected export.
🧾 Does SheetProof modify my original file?
No. Original uploads are 100% preserved. Corrections are applied only after your explicit approval and exported as brand-new files.
👀 Can I review every correction before export?
Yes. Each detected issue includes exact worksheet name, row number, column header, original value, explanation, and suggested correction.
🔐 Is my uploaded spreadsheet secure and private?
Yes. Uploads are encrypted at rest with AES-256-CBC and a 16-byte random IV. Files are strictly scoped to your private workspace.
📤 Can I export corrected Excel files?
Yes. You can generate and download a corrected Excel (.xlsx) workbook and complete validation audit report after inspection.
📄 How much data can I inspect on the Free plan?
The Free plan supports files up to 1 MB (~15,000 rows). You can upgrade anytime to Starter (10 MB), Creator (25 MB), or Business (100 MB).