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.

Developers need specialized calculators for math, number systems, and hashing. AHX offers several free tools designed for developer workflows.

• Scientific Calculator: Trig, log, factorial, DEG/RAD toggle, calculation history
• Number Base Converter: Binary, octal, decimal, hexadecimal
• Hash Generator: SHA-1/256/512, MD5 — text and file hashing
• UUID Generator: v1/v4, bulk generate up to 100
• Percentage Calculator: 3 modes with copy
• Loan Calculator: Monthly payment, total interest