Free online tools that just work

Calculators, converters and generators — fast, private and free. Everything runs in your browser, nothing is uploaded.

225 tools 13 categories No sign-up English & Serbian

Private by design

Nothing you enter is uploaded — every tool runs locally in your browser.
Free, no account

No sign-up, no watermarks and no usage limits. Open a tool and use it.
Made for the region

Fully bilingual, with local data built in — Serbian taxes, holidays and units.

Popular tools

Convert a Serbian gross salary to net with the full tax and contributions breakdown — sourced 2026 parameters.

Finance & salary

Calculate X% of a number, what percent one number is of another, and percentage change.

Everyday calculators

Type a whole expression and see the result live: powers, roots, trigonometry in degrees or radians, factorials.

Everyday calculators

Turn photos and scans into one PDF, in page order you choose. Files never leave your device.

PDF tools

Find the gross salary behind a Serbian net amount — the exact inverse calculation, not a rough percentage.

Finance & salary

A notepad that saves itself in your browser — no account, no upload. Word count and .txt download included.

Text tools