Age Calculator
FreeCalculate exact age, date difference, days until birthday, and time between two dates in a fast browser-only tool.
age by date of birthdate differencestudents and forms
Tools category
Calculator Tools
Use free static calculators for age, dates, GST, percentage, EMI and everyday planning.
Date Calculator
FreeAdd or subtract days, calculate days between dates, and count working days for planning, forms, and business tasks.
date planningworking daysdeadline calculation
GST Calculator
FreeAdd or remove GST from an amount using common Indian GST rates and see taxable value, GST amount, and final total.
GST add/removeIndian invoicesbusiness billing
Calculate percentages, marks percentage, percentage change, profit/loss percentage, and value from percent.
marks percentagediscountsbusiness math
Calculate monthly EMI, interest, total repayment, and loan breakdown for home, car, education, or personal loans.
EMI planningloan interestmonthly payment
How to use this tool category
Choose the tool that matches your task, complete the work in your browser, and move to a related tool when needed. These pages are intentionally simple: clean controls, low-friction output, no login, and no unnecessary dashboard steps.
Pick a task
Find the exact utility for the file, code, document, SEO, calculator, or API job.
Check output
Preview the result, verify dimensions or text, and only then download or copy.
Continue workflow
Use related tools for the next step, such as resize, compress, convert, copy, or generate.
Common questions
Are these tools free to use?
Yes. Shrimo Tools pages are designed as free static tools without login, account setup, or a paid dashboard requirement.
Do these tools need a backend or database?
No. The tools site is built as a static website. Most tools run in the browser, and fake API tools use static JSON files instead of dynamic server routes.
How should I choose the right tool?
Start with the category that matches your task, open the tool, check the preview or output, then move to a related tool if the workflow needs another step.
Are category pages useful for search and AI answers?
Yes. Category pages group related tools, explain the workflow, and help search engines and AI answer systems understand what each group of tools is for.