Free Online Calculators & Text Tools

Word Counter, Text Case Converter, JSON Formatter, GST Calculator and EMI Calculator — fast, simple, and privacy-friendly tools.

Financial Calculators

💰

GST Calculator

Calculate GST for India

 🏦

EMI Calculator

Loan EMI & interest calculator

 🏠

Mortgage Calculator

Calculate monthly home loan payment

 📈

Compound Interest Calculator

Calculate compound growth over time

 📊

Percentage Calculator

Calculate percentages quickly

Health Calculators

🏋️

BMI Calculator

Body Mass Index calculator

 🎂

Age Calculator

Calculate exact age instantly

Text & Developer Tools

📝

Word Counter

Count words & characters instantly

 📄

File Converter

Convert text & files to PDF, CSV, Excel & more

 🔧

JSON Formatter

Format & validate JSON online

 🧮

Math Calculator

Perform basic & scientific calculations

 💱

Currency Converter

Convert currencies instantly

calculate-all is a free online platform offering essential calculators and text utilities used by students, developers, professionals, and businesses. All tools work entirely in your browser without storing or tracking any user data.

Why Use calculate-all?

Tools Available on This Website

Our collection includes a word counter and text case converter for writing needs, a JSON formatter for developers, a GST calculator for Indian tax calculations, and an EMI calculator to estimate loan repayments and interest.

What people say

★★★★★

“Clean, fast and exactly what I need daily. Amazing tools!”

— Pavithra Sonawale
★★★★★

“Best calculator site. JSON, GST, Word Counter — all in one.”

— Imad khan
★★★★★

“No ads overload, no login. Just works. Love it.”

— Thomas Hamberg
★★★★★

“Finally a utility site that respects privacy.”

— David

Contact us

Have a feature request or found a bug? Let us know.