Basics
Quick everyday math, converters, and randomizers.
Perform advanced mathematical operations including trigonometry, logarithms, and powers.
Generate arbitrary random numbers within a specific range with options for duplicates and sorting.
Flip a virtual 3D coin to make quick binary decisions with real-time statistics of heads vs tails.
Measure elapsed time with precision millisecond accuracy and lap tracking.
Set custom timers with audio alarms to track cooking, exercising, or tasks.
Track how many days, hours, and minutes remain until your specific custom event.
Convert lengths, weights, temperatures, speeds, and volumes between imperial and metric systems.
Convert prices between global currencies using up-to-date conversion rates.
A full-featured rich text notepad with multiple tabs, formatting, tables, links, lists, and export options.
Count characters, words, sentences, and paragraphs in real time with text metrics.
Instantly generate random secure passwords with custom character sets.
Pick a random name from a list, great for classroom selection and prizes.
About Basics Online Tools
Our suite of basics utilities is designed to offer fast, clean, and highly secure operations directly in your web browser. Unlike other online converters that upload your inputs to external databases, all calculations are executed completely inside your browser locally using standard HTML5 and JavaScript APIs.
Key Benefits of Using Tools
- 100% Privacy: No data is ever transmitted to a server. Work safely with private keys, API configs, and proprietary code.
- Offline Functionality: Since tools are client-side powered, they continue working even if you lose internet connection.
- Instant Load: Code split using lazy-loaded Next.js structures, ensuring only the tool you open loads its code logic.