Free and Lightweight Sales Forecasting for Everyone
ForecastFree is a free sales forecasting tool that combines sophisticated machine learning algorithms with an intuitive user interface. Our platform helps small businesses make data-driven decisions about their future without any cost.
How It Works
Our forecasting engine uses Facebook's Prophet algorithm, which is particularly effective at:
- Handling missing data and outliers
- Adapting to seasonal patterns
- Capturing multiple seasonalities
- Accommodating holiday effects
Understanding the Metrics
Forecast Confidence Levels
Our forecast confidence is categorized into four levels based on the amount and quality of historical data:
- Very High (80%+ confidence): Excellent data quality with substantial historical records
- High (60-79% confidence): Good data quality with sufficient historical patterns
- Medium (40-59% confidence): Moderate data quality or limited historical data
- Low (Below 40% confidence): Limited data or highly volatile patterns
Growth Rate Calculation
The Overall Growth Rate shows the percentage change in sales from the first to the last data point in your dataset. For example:
- First day sales: 100 units
- Last day sales: 150 units
- Growth Rate: ((150 - 100) / 100) × 100 = 50% growth
Forecast Accuracy
Our accuracy metric shows the average percentage difference between predicted and actual values. A lower percentage indicates more accurate predictions.
Features & Limitations
- Easy data upload (CSV and Excel support)
- Interactive visualizations
- Price elasticity analysis and impact predictions
- Real-time price adjustment simulations
- Revenue impact forecasting
- Confidence intervals for predictions
- Downloadable forecast data
- Automatic data preprocessing
Technical Specifications:
- Maximum file size: 10MB
- Session duration: 5 minutes
- Supported formats: CSV, Excel (.xls, .xlsx)
- Data retention: Files are automatically deleted after session expiry
- Storage limit: 1GB total with automatic cleanup
Price Analysis Features
Our price analysis tool helps you make data-driven pricing decisions:
- Price elasticity calculation using advanced regression
- Revenue impact simulation for price changes
- Historical price-volume relationship analysis
- Interactive price adjustment modeling
- Multi-product analysis support