Data Visualization

Upload or paste a CSV and chart it instantly: histograms with Sturges / Freedman-Diaconis / Scott binning, scatter plots with Pearson r and a least-squares fit, and Tukey box plots — every chart downloadable as PNG and SVG.

Data Visualization

Bin numeric data into intervals and draw a histogram to visualize a statistical distribution

Data Visualization

Generate customizable area charts from data with filled areas under lines, perfect for showing trends and cumulative data

Data Visualization

Generate GitHub-style calendar heatmaps to visualize activity patterns over time, perfect for tracking yearly contributions, habits, or metrics

Data Visualization

Generate interactive icicle charts for hierarchical data visualization, perfect for displaying tree structures, file systems, and organizational hierarchies

Data Visualization

目标vs实际对比图表，包含目标线、实际值、比较范围

Data Visualization

Generate grouped bar charts for comparing multiple categories side by side, perfect for multi-category comparisons and comparative analysis

Data Visualization

Generate customizable heatmaps from data, perfect for visualizing data density, correlations, and patterns

Data Visualization

Generate customizable bubble charts from data with three dimensions (x, y, size)

Data Visualization

Describe nodes and connections in Mermaid-style syntax and generate a layered flowchart diagram

Data Visualization

Create professional Gantt charts with task timelines, dependencies, progress tracking, and milestone markers

Data Visualization

Generate customizable funnel charts from data, perfect for showing conversion rates, sales pipelines, and process flows