Heatmap Creator

Create Beautiful Heatmaps

Design interactive heatmaps with customizable color schemes and data visualization.

Heatmap Preview

My Heatmap

Y Axis
MonTueWed
Afternoon
20
30
40
Evening
15
18
22
Morning
10
25
35
X Axis

Data Points

Import Data

Format: X, Y, Value (one per line)

Heatmap Settings

Statistics

Total:215
Average:23.89
Maximum:40
Minimum:10
Data Points:9

Features

  • 5 color schemes
  • Color intensity slider
  • Cell size adjustment (32-128px)
  • Border toggle
  • Value display toggle
  • CSV/TSV data import
  • Statistical calculations
  • Export as PNG
  • Responsive grid
  • Dynamic sizing

Use Cases

  • Correlation matrices
  • Time-based activity patterns
  • Geographic data visualization
  • Website analytics
  • Gene expression data
  • Sales performance by region/time
  • User behavior analysis
  • Scientific data matrices

Tips

Best Practices:

  • Choose color schemes that match your data type
  • Use rainbow for diverging data
  • Label axes clearly
  • Keep grid sizes manageable
  • Show values for precise data
  • Import data from spreadsheets