Tools

Utility tools for calculations, conversions, files, and specialist tasks — each service states its own AI use and charges.

6 services available now

Services in this category

A calculator, percentages, fractions, statistics, and linear equations in one page — this tool is free and uses no AI.

Convert common international and Thai units, with an instant comparison across every unit in the category — free and no AI.

Calculate area and volume for 16 shapes, with formulas, Thai land units, litres, and gallons — free and no AI.

Calculate loan payments, extra repayments, compound savings, and simple interest with annual summaries — free and no AI.

Convert color codes, check WCAG, build palettes, CSS variables, and gradients — free and no AI.

Test OBS donation alerts and read messages aloud in order, with built-in message safety filters.