Speed Converter

Convert speed and velocity values seamlessly across metric, imperial, nautical, and scientific measurement units.

Slug Generator

Transform article headlines into clean, lowercase, hyphenated URL slugs optimized for search engine indexing.

Simple Interest

Calculate simple interest earned or paid over time with instant, accurate figures for principal, interest rate, and term length.

Sentence Counter

Count total sentences, words, and structural metrics in your text to improve writing structure and readability.

Sales Tax Calculator

Calculate total purchase cost including applicable state and local sales tax rates.

Salary Calculator

Convert hourly wages into gross annual, monthly, and weekly salary estimates.

Roman Numeral Converter

Quickly transform standard numbers into Roman numerals or convert ancient Roman symbols back into standard digits.

ROI Calculator

Measure profitability and evaluate total investment performance with quick net gain and percentage return metrics.

Regex Tester

Validate and test regular expression patterns instantly against sample text with real-time matching and regex breakdown.

Reading Time

Estimate total reading and speaking time for articles, speeches, and scripts based on average audience speeds.