All-in-One Tools Collection

A broad collection of online tools for development, AI, design, and productivity tasks.

Showing page 2 of 132 (12 tools on this page)

Generate formatted Markdown tables from CSV, JSON, or array data with alignment, header styles, width control, and merge hints

Convert pounds to kilograms with configurable decimal precision

Calculate z-scores, cumulative probability, tail probability, and interval probability for a normal distribution

Run one-sample or two-sample t-tests from raw data and inspect t statistics, degrees of freedom, and p-values

Run one-way ANOVA across multiple groups and inspect sums of squares, F statistic, and p-value

Calculate Pearson correlation, covariance, and linear association strength from paired numeric data

Calculate confidence intervals for a sample mean or proportion using either raw data or summary statistics

Run simple linear regression on paired numeric data and inspect slope, intercept, correlation, and predictions

Calculate sample or population variance for a numeric dataset with intermediate statistics

Calculate z-scores from a raw value using either a dataset or manually provided mean and standard deviation

Calculate sample or population standard deviation for numeric datasets and inspect how spread changes around the mean

Generate structured test data from field configuration with support for faker fields, regex rules, credit cards, IDs, and batch export