Everyday tools,
ready when you are.

Calculate loans, interest, savings, returns, discounts, and taxes.

Estimate common health metrics using clearly stated formulas and inputs.

Calculate dates, ages, durations, timestamps, and calendar differences.

Calculate percentages, averages, ratios, fractions, and common formulas.

Inspect, generate, test, and transform data used in software development.

Format, validate, minify, inspect, and convert JSON data online.

Format, validate, inspect, and convert XML documents.

Format, validate, inspect, and convert YAML documents.

Encode and decode Base64, URLs, Unicode, and other data representations.

Convert foreign exchange rates with live market data.

Convert length, distance, weight, and volume units.

Inspect, verify, and encode files directly in your browser.

Convert, compress, preview, and export images locally.

Test webcam, microphone, record audio, and capture screen locally in your browser.

Compare, format, clean, analyze, and manipulate plain text and code blocks.