Generate sequences of numbers within any range instantly. Free online tool for creating custom number lists in your browser.
Math and statistics tools use JavaScript standard Math library with floating-point precision control. Covers everyday calculations, financial math, and statistical scenarios.
We noticed many online calculators track inputs or require accounts. We built this tool to run entirely in your browser — no tracking, no uploads, just instant results.
Yes, completely free with no signup required.
Yes, it works on mobile browsers with touch support.
Math
All calculations use JavaScript standard Math library with floating-point precision control. Results are reliable.
ToolPure provides calculators for percentages, compound interest, statistics (mean, median, standard deviation), unit conversions, and number base conversions (binary, octal, decimal, hexadecimal).
Calculations use JavaScript Number type with up to 15-17 significant digits. For high-precision requirements, the tools support BigNumber.js for arbitrary precision arithmetic up to 100 decimal places.
Yes, calculation results can be copied to clipboard, downloaded as JSON or CSV files, or shared via URL parameters that encode the input values and results.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.