Math & Numbers
Convert watts to kilowatts with configurable decimal precision
watt-to-kwMath & Numbers
Convert weeks to days with configurable decimal precision
weeks-to-daysMedia
Convert WebM video files to MP4 format
webm-to-mp4Math & Numbers
Calculate weighted GPA from credits, grades, and course rigor bonuses for honors, AP, or IB classes
weighted-gpa-calculatorMath & Numbers
Run a paired nonparametric Wilcoxon signed-rank test from paired samples or differences
wilcoxon-signed-rank-calculatorMath & Numbers
Run Welch two-sample t tests for independent groups with unequal variances from raw data or summary statistics
welch-t-test-calculatorMath & Numbers
Calculate a winsorized mean by capping extreme low and high values before averaging
winsorized-mean-calculatorMath & Numbers
Calculate a weighted average from paired values and weights, with contribution and normalized weight details
weighted-average-calculatorNetwork
Generate a unique webhook capture URL, inspect incoming requests, validate signatures, and replay payloads to a target endpoint
webhook-debugger-relayDocument Tools
Render a wiki page URL into a clean, print-ready PDF
wiki-page-to-pdfText Processing
Replace consecutive spaces/tabs with single space and trim line start/end whitespace
whitespace-normalizerHealth
Calculate Wilks score to compare strength across different body weights in powerlifting
wilks-score