Yes. All 42 tools are 100% free with no signup, no ads in your face, and no hidden limits. The core tools will always be free.

Do AHX tools upload my data to a server?

No. Every tool runs entirely in your browser using JavaScript. Your data never leaves your device.

Can I use AHX offline?

Yes. Once the page has loaded, every tool works without an internet connection. AHX is installable as a PWA.

Is Percentage Calculator free?

Yes. Percentage Calculator is 100% free with no signup and no usage limits.

Does Percentage Calculator upload my data?

No. Percentage Calculator runs entirely in your browser. Your data never leaves your device.

Do I need to install anything?

No. Percentage Calculator works in any modern web browser. Just visit the page and start using it.

AHX

Percentage Calculator

Calculate percentages, percentage change, increase, decrease.

Calculation mode

Percentage (%)

Total value

Runs entirely in your browser. No data leaves your device.

About Percentage Calculator

Calculate percentages instantly. Find what percentage one number is of another, calculate percentage increase or decrease, and more. Everything runs in your browser — no signup required.

Common use cases

Calculate discounts and sale prices
Find percentage change between two values
Calculate tips and tax percentages
Determine percentage of completion

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