Graphs & Charts Tools
Data visualization and statistical analysis
Bar Chart Generator
Free online bar chart generator. Create bar charts from tabular data. Visualize data easily.
Line Chart Generator
Free online line chart generator. Create line/trend charts from data. Visualize data easily.
Pie Chart Generator
Free online pie chart generator. Create pie/donut charts from data. Visualize data easily.
Scatter Plot Generator
Free online scatter plot generator. Create XY scatter plots. Visualize data easily.
Histogram Generator
Free online histogram generator. Create frequency distribution histograms. Visualize data easily.
Chart from CSV
Free online chart from csv. Paste CSV/JSON → auto-detect chart type. Visualize data easily.
Function Plotter
Free online function plotter. Plot mathematical functions (sin, cos, x²). Visualize data easily.
Box Plot Generator
Free online box plot generator. Visualize data quartiles and outliers. Visualize data easily.
Radar Chart Generator
Free online radar chart generator. Multi-variable radar/spider charts. Visualize data easily.
Chart Data Table
Free online chart data table. Enter and view raw data for charts. Visualize data easily.
Descriptive Statistics
Free online descriptive statistics. Mean, median, mode, range, variance, std dev. Visualize data easily.
Frequency Distribution
Free online frequency distribution. Group data into bins with count/%. Visualize data easily.
Z-Score Calculator
Free online z-score calculator. Standard score from raw value. Visualize data easily.
T-Test Calculator
Free online t-test calculator. Independent & paired t-test with p-value. Visualize data easily.
Chi-Square Calculator
Free online chi-square calculator. Chi-square test for independence. Visualize data easily.
Linear Regression
Free online linear regression. Slope, intercept, R², prediction. Visualize data easily.
Percentile & Quartile
Free online percentile & quartile. Rank, percentile, Q1-Q3, IQR. Visualize data easily.
Moving Average Calculator
Free online moving average calculator. SMA and EMA for time series data. Visualize data easily.
Outlier Detector
Free online outlier detector. IQR, Z-score, and MAD outlier detection. Visualize data easily.
Normal Distribution
Free online normal distribution. Area under curve, Z-table lookup. Visualize data easily.
Correlation Coefficient
Free online correlation coefficient. Pearson r correlation calculation. Visualize data easily.
Sample Size Calculator
Free online sample size calculator. Required sample size for significance. Visualize data easily.
Effect Size Calculator
Free online effect size calculator. Cohen's d, eta-squared. Visualize data easily.
Confidence Interval
Free online confidence interval. CI for mean with Z/T distribution. Visualize data easily.