Free online tools
Get the answer, then get on with your day.
Practical calculators and browser tools for work, writing, data, and everyday decisions. No account required.
Calculate a shift
Overnight shifts are handled automatically.
Paid time
8h 00m
8 decimal hours
Explore
Tools organized around the task
Work & Pay
Calculate hours, wages, overtime, salaries, and payroll-ready time.
Text & Writing
Count, check, and transform text for documents and publishing.
Developer & Data
Inspect and format structured data without leaving the browser.
Everyday Calculators
Get clear answers for percentages, dates, and everyday math.
Generators
Create QR codes, passwords, random numbers, and fair selections.
Ready to use
Featured tools
JSON Formatter
Format, minify, and validate JSON locally in your browser.
Percentage Calculator
Solve common percentage questions with a clear breakdown.
Password Generator
Create a strong password with custom length and character controls.
Why use Ziannah
Direct answers
Every page opens on the working tool, with practical defaults and a result you can use immediately.
Private inputs
Core calculations and text processing happen in your browser without an account or saved input history.
Clear methods
Formulas, assumptions, examples, and review notes explain what each result means and where its limits are.