Free online tools that actually load fast.

Free online word counter. Instantly count words, characters (with and without spaces), sentences, paragraphs and estimated reading time.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and more — all at once, in your browser.

Generate strong, secure random passwords using your browser's cryptographic random source. Choose length, character types, and an anti-ambiguity option.

Paste JSON and instantly format, validate and minify it. Errors show the exact line and column. Works fully offline in your browser.

Free age calculator. From a date of birth, see exact years/months/days, total months, weeks, days, hours, and the countdown to your next birthday.

Calculate Rwanda PAYE (Pay As You Earn) monthly income tax. See the tax owed in each RRA bracket for your gross salary — updated to current RRA brackets.

Convert gross salary to net take-home in Rwanda. Includes PAYE, RSSB pension, maternity contribution and optional CBHI, plus total employer cost.

Calculate MTN MoMo fees before you send in Rwanda. Covers sending to MTN, sending to other networks, and withdrawing at an agent — with the full fee schedule.

Convert between 20 world currencies — USD, EUR, GBP, RWF, KES, NGN and more — with live mid-market rates updated hourly.

Convert between metric and imperial units — length, weight, temperature, volume, area and speed. 230+ pair pages with formulas and reference tables.