Online Data Visualization and Charting Tools

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

Create a video from audio with a spectrogram visualization

Create a video from audio with a waveform visualization

Generate customizable bar charts from data with various styling options

Generate box plots for statistical distribution analysis with quartiles, whiskers, and outliers

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

目标vs实际对比图表，包含目标线、实际值、比较范围

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

Generate interactive chord diagrams for visualizing bidirectional flows and relationships between entities

Generate back-to-back bar charts for positive and negative value comparison, perfect for contrasting data sets

Advanced correlation analysis tool that calculates correlation coefficients between variables to measure the strength and direction of their linear relationships. Perfect for statistical analysis, financial modeling, scientific research, and data exploration. Features: - Multiple correlation methods (Pearson, Spearman, Kendall) - Correlation matrix generation - Statistical significance testing (p-values) - Confidence intervals calculation - Heatmap visualization - Scatter plot matrix generation - Missing value handling strategies - Outlier detection and handling - Group analysis capabilities - Detailed statistical reports Common Use Cases: - Financial market analysis and risk assessment - Scientific research and hypothesis testing - Customer behavior and marketing analysis - Healthcare and medical data analysis - Quality control and process optimization - Educational performance evaluation

Normalize numerical data using Min-Max scaling to transform values to a 0-1 range. Perfect for machine learning preprocessing, data analysis, and feature scaling. Features: - Min-Max scaling (0-1 normalization) - Custom range support (e.g., -1 to 1) - Multiple column selection - Automatic data type detection - Handles missing values - Preserves non-numeric columns - Statistical summary included Common Use Cases: - Machine learning feature preparation - Neural network input normalization - Data visualization preprocessing - Comparative analysis across different scales

Generate customizable donut charts (ring charts) from data with various styling options, perfect for showing proportions with a central space

Generate customizable Venn diagrams to visualize set relationships, intersections, exclusions, and hierarchical structures

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

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

Generate customizable gauge charts (speedometer charts) from data, perfect for displaying KPIs, metrics, and performance indicators

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

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

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

Apply professional edge detection algorithms (Sobel, Prewitt, Laplacian, Canny) with adjustable thresholds and visualization options

Generate customizable multi-line charts from data with various styling options

Generate correlation and comparison matrix charts with color intensity mapping and grid layout

Generate project milestone charts with timeline nodes and key achievement points

Create concentric multi-level pie charts with hierarchical relationships and interactive drill-down functionality

Interactive network relationship graph for visualizing social networks, topological structures, and node connections

Generate parallel coordinates charts for multidimensional data visualization with customizable normalization

Create pictographs using icons/symbols to represent quantities with customizable icons, colors, and layouts

Generate customizable pie charts from data with various styling options

Generate interactive pivot tables from CSV/JSON data with customizable row, column, and value field configurations

Generate interactive polar area charts to visualize data in circular format, perfect for comparing categories with cyclical patterns or radial distributions

Generate customizable progress bars from data, perfect for showing completion status, rankings, or comparative values

Create beautiful circular progress indicators with animations, perfect for displaying percentages, completion rates, and progress metrics

Generate pyramid charts for hierarchical structure visualization, perfect for organization charts, hierarchy levels, and proportional data

Generate strategic quadrant charts for four-quadrant analysis, priority sorting, and strategic decision making

Generate customizable radar charts (spider charts) from data, perfect for multi-dimensional comparison and analysis

Chart displaying min-max ranges and time intervals, simplified version of Gantt chart

Create range charts to visualize min-max value ranges with median markers and outlier detection

Create beautiful star rating visualizations for products, services, and user feedback analysis with interactive animations

Generate beautiful Nightingale rose charts (coxcomb charts) to visualize data through both angle and area, perfect for comparative analysis and historical data presentation

Generate Sankey diagrams to visualize flow distributions and energy transfers between different nodes

Generate customizable scatter plots with regression lines and multiple data series

Generate simplified spider (radar) charts for multi-dimensional data comparison and analysis

Generate stacked area charts showing cumulative trends of multiple data series, perfect for visualizing total trends and component contributions

Generate interactive stacked bar charts to visualize categorical data composition, perfect for comparing multiple data series across categories

Create step charts with staircase-style data visualization, perfect for showing discrete changes over time

Generate smooth stream graphs for visualizing time-series data flow, perfect for showing changes in composition over time with organic, flowing shapes

Generate beautiful stream graphs for time series data with smooth flowing animations and baseline variations

Generate hierarchical sunburst charts with polar coordinates and radial layout

Reverse engineer SVG charts into data points for line, bar, scatter, and pie-style SVG structures

Create vertical thermometer-style charts perfect for fundraising goals, project progress, and target achievement visualization

Generate beautiful and interactive timelines from events data with various layouts and styles

Generate interactive tree diagrams from hierarchical data with customizable styling

Create waterfall charts to visualize cumulative changes with positive/negative value distinction and subtotal display

Generate beautiful word clouds from text with customizable fonts, colors, and sizes