Validate with confidence.
What used to take days of manual work in spreadsheets now takes minutes. Rigorous statistical analysis, AI-powered interpretation, publication-ready reports. In your browser. Free to start.
Free to start. No account required.
Built for IVD manufacturers, clinical labs, and researchers
Legacy tools weren't built for this.
- Requires Windows installation
- Hours of manual setup per analysis
- £375–2,200/yr per seat
- Copy-paste results into Word manually
- No interpretation, just raw numbers
- Locked to your office machine
- Works in any browser, on any device
- Full analysis in under 5 minutes
- Free to start, from £179/yr
- One-click publication-ready PDF
- AI explains results in plain language
- Your data never leaves your device
Everything you need to validate.
Diagnostic Accuracy
- Sensitivity, Specificity, PPV, NPV with CIs
- ROC curves with optimal threshold detection
- Decision curve analysis
- Calibration assessment (Brier, ECE, MCE)
Method Agreement
- Bland-Altman analysis with limits of agreement
- Lin's concordance correlation coefficient
- Passing-Bablok and Deming regression
- Pearson and Spearman correlation coefficients
AI-Powered Insights
The maths never changes. AI explains it.
- Every stat is exact. No AI involved in calculation.
- AI reads results and writes plain-English interpretation
- Context-aware clinical guidance per analysis type
- Cuts hours of report writing to seconds
Three steps. Full analysis.
Upload your data
CSV or Excel, drag and drop. Your data never leaves your browser.
Map your variables
Guided wizard walks you through column selection and analysis setup.
Get results instantly
Full statistical analysis with AI interpretation, charts, and PDF export.
Designed for clarity.




Eight specialised modes.
Binary Diagnostic Accuracy
Sensitivity, specificity, PPV, NPV with confidence intervals
Continuous Method Agreement
Bland-Altman, Lin's CCC, Passing-Bablok regression
Ordinal Threshold Analysis
Optimal cut-points for ordinal diagnostic data
Ordinal Agreement
Weighted kappa, agreement coefficients for ordered categories
Continuous vs Binary
ROC analysis with continuous predictor against binary outcome
Continuous vs Ordinal
Multi-threshold ROC for ordinal outcomes
Multiclass Classification
Confusion matrix, per-class metrics, macro/micro averaging
Dataset Comparison
Compare diagnostic performance across multiple datasets
ValidLab vs legacy tools.
Start free. Scale when ready.
- 5 analyses per month
- All analysis types
- Basic charts
- Community support
- Unlimited analyses
- AI interpretation
- PDF reports (no watermark)
- Priority email support
- Team access (10+ users)
- API access
- Custom branded reports
- SSO & audit trail
- Dedicated support
Common questions.
All processing happens in your browser. No data is uploaded to our servers. Your datasets never leave your machine.
CSV and Excel (.xlsx). Drag and drop or click to upload. We auto-detect delimiters and encoding.
Our AI analyses your statistical results and provides context-aware clinical interpretation, including result significance, clinical implications, and recommended next steps.
ValidLab provides the statistical analysis and publication-ready reports. Regulatory submission requirements vary by jurisdiction; consult your local regulatory body for specific documentation needs.
ValidLab runs entirely in your browser. No download or installation needed. Works on any device with a modern browser.
Cancel anytime from your account settings. No long-term contracts. Your analyses remain accessible until the end of your billing period.