Everyday & Productivity
Units, dates, age, file size, ZIP files and data analysis — done fast, right in your browser. Future AI-powered tools too.
All tools in this category
Data Analysis Tool
Upload a CSV, sort, filter and export as CSV or JSON.
Unit Converter
Quickly convert length, weight, temperature and volume units.
Date Calculator
Calculate the time span between two dates or add days to a date.
Age Calculator
Calculate exact age in years, months and days from a birth date.
File Size Converter
Convert between bytes, KB, MB, GB, TB and PB.
Create ZIP File
Bundle multiple files into a single ZIP file, right in your browser.
Extract ZIP File
Browse the contents of a ZIP file and download individual files or everything at once.
Video Download Center
Still being scoped — exact functionality will be finalized before implementation.
Frequently Asked Questions
Do I need to install anything?
No, all everyday tools run directly in the browser, no installation or account needed.
Good to know about this category
Converters, calculators, ZIP tools and downloads for everyday use, right in your browser.
So small, recurring tasks can be handled without additional software.
- Convert units and file sizes
- Calculate dates and ages
- Create and extract ZIP files
- Spot-check results before reusing them
- Expect longer processing times in the browser for large files
The information, templates, scripts, calculations and recommendations provided are intended for educational and assistance purposes only. Always review and test any generated result before production use. IT Smart Service accepts no liability for misuse, data loss, outages, security incidents, or legal, financial or technical damages arising from incorrect or improper use. Responsibility for validation, testing and deployment decisions rests with the user.
Related Categories
Create invoices, quotes, delivery notes and other business documents in a legally compliant way — with a customer database and automatic document chaining.
Generate, validate and view XRechnung and ZUGFeRD files per EN 16931, plus an obligation check — for the B2G/B2B e-invoicing mandate.
Revenue, profit and tax calculators, cash book, digital cash register and TSE reporting assistant — everything around ongoing bookkeeping and cash management in one place.
Need professional IT support?
Our team can help if the free tool is not enough for your project.