Unit Price Calculator | Compare Price per g, ml, or Item
Compare price per gram, milliliter, or item and learn when the lowest unit price is not necessarily the best choice.
English tools
BMI Calculator | Body Mass Index
Calculate BMI from height and weight and read practical interpretation notes, limits, and health context warnings.
D-Day Date Calculator | Days Between Dates
Calculate D-Day, days between dates, and date offsets with examples for trips, exams, deadlines, and events.
Random Picker | Pick Names and Shuffle Order
Paste names or items, pick a random winner, and shuffle order with practical examples for meetings, teams, and events.
Password Generator | Create Strong Random Passwords
Generate strong random passwords with custom length, numbers, and symbols plus practical security usage notes.
Percentage Calculator | Percent Change, Discount, Ratio
Calculate percent change, discount price, ratio, and percentage of a number with everyday shopping and reporting examples.
Word Counter | Count Words, Characters, Sentences
Count words, characters, sentences, paragraphs, and estimated reading time with practical writing and submission examples.
Color Contrast Checker | WCAG AA and AAA Ratio
Check text and background contrast ratios with WCAG AA and AAA results plus practical UI readability examples.
Reading Time Calculator | Words, Characters, Speaking Time
Estimate reading and speaking time from text with examples for blog posts, newsletters, scripts, and presentations.
Case Converter | Uppercase, Lowercase, Title Case
Convert text to uppercase, lowercase, title case, snake case, kebab case, and camel case with practical formatting examples.