Math & Numbers

Calculate PDF, CDF, survival probability, and interval probability for a continuous uniform distribution

Math & Numbers

Calculate a trimmed mean by removing the same percentage of low and high values before averaging

Date & Time

Compare multiple participants across time zones, find overlapping working windows, and export the best meeting slots to ICS

Data Analysis

Forecast future periods from CSV or JSON time-series data and inspect trend, seasonal, and residual decomposition in one report

Date & Time

Calculate duration, time gap, and business-day differences between two timestamps in different time zones with DST awareness

Data Analysis

Upload CSV or JSON time series data, detect anomalies with Z-Score and IQR methods, and return a chart-backed report

Data Processing

Remove duplicates from an array using lodash _.uniq

Data Processing

Remove duplicates from an array using lodash _.uniqBy with a property path

Data Processing

Remove duplicates using lodash _.uniqWith and deep equality

Text Processing

Add thousand separators to long numbers (supports comma, dot, space, and custom separators)

Text Processing

Automatically add spaces between Chinese characters and English/numbers to improve readability

Health

Calculate total time and pace for triathlon events