Free Online Tools for <span class="text-transparent bg-clip-text bg-gradient-to-r from-teal-600 to-cyan-600">Everyone

NEW

GST Calculator

Add or remove GST from any price instantly.

EMI Calculator

Calculate loan EMI with full amortization schedule.

SIP Calculator

Plan your mutual fund SIP investments easily.

PPF Calculator

Calculate PPF maturity amount and interest.

Pregnancy Due Date Calculator

Estimate your pregnancy due date easily.

FD Calculator

Calculate FD maturity amount and interest instantly.

RD Calculator

Calculate RD maturity amount and interest instantly.

Simple Interest Calculator

Calculate SI using the P × R × T / 100 formula.

Compound Interest Calculator

Calculate CI with the A = P(1 + r/n)^nt formula.

Percentage Calculator

Calculate percentages and percentage change instantly.

Discount Calculator

Find sale price and discount % instantly.

Salary Calculator

Calculate take-home salary from CTC instantly.

Inflation Calculator

Find how inflation erodes purchasing power over time.

Age Calculator

Find your exact age and days until your next birthday.

Date Difference Calculator

Find days, weeks, and months between two dates.

Temperature Converter

Convert °C, °F, and K instantly.

Length Converter

Convert between metric and imperial length units.

Weight Converter

Convert between metric and imperial weight units.

BMI Calculator

Calculate BMI in metric or imperial units.

BMR Calculator

Find how many calories your body burns at rest.

Calorie Calculator

Find your daily calorie needs and macro split.

Water Intake Calculator

Find how much water you should drink daily.

PDF Tools

6 tools available

HOT

Word to PDF Converter

Convert DOCX to PDF instantly in your browser.

PDF to Word Converter

Convert PDF to DOCX instantly in your browser.

Excel to PDF Converter

Convert XLSX to PDF instantly in your browser.

PDF to Excel Converter

Convert PDF to XLSX instantly in your browser.

PDF to JPG Converter

Convert PDF to JPG instantly in your browser.

JPG to PDF Converter

Convert images to PDF in one click.

Image Tools

5 tools available

NEW

Image Converter

Convert images between various formats.

Image Resizer Online

Resize images in seconds.

JPG to PNG Converter

Convert JPG to PNG instantly in your browser.

PNG to WebP Converter

Convert PNG to WebP instantly in your browser.

WebP to PNG Converter

Convert WebP to PNG instantly in your browser.

Developer Tools

12 tools available

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CSS Minifier

Minify CSS code instantly in browser.

HTML Viewer

Preview HTML code in real-time.

HTML Table Generator

Create HTML tables in seconds.

JSON Formatter

Format, validate, and minify JSON instantly.

Base64 Encoder / Decoder

Encode and decode Base64 instantly.

URL Encoder / Decoder

Encode, decode, and parse URLs instantly.

MD5 Hash Generator

Generate MD5, SHA-1, SHA-256 hashes instantly.

Color Palette Generator

Create harmonious color palettes from any color.

Regex Tester

Test regular expressions with live highlighting.

HEX to RGBA Converter

Convert HEX colors to RGB/RGBA instantly.

PX to REM Converter

Convert PX to REM instantly.

REM to PX Converter

Convert REM to PX instantly.

Text Tools

6 tools available

HOT

Word Counter

Count words and characters instantly.

Case Converter

Convert text to any case format instantly.

Lorem Ipsum Generator

Generate dummy placeholder text instantly.

Password Generator

Generate strong random passwords instantly.

Reading Time Calculator

Estimate how long any article takes to read.

Text to Slug

Generate SEO-friendly URL slugs from any text.

Why Choose Us

Why millions use Calcon

Built for speed, simplicity, and trust

Instant Results

All tools work in real-time. No waiting, no loading screens.

100% Private

Files processed in your browser. Nothing uploaded to any server.

Works Everywhere

Phone, tablet, laptop — Calcon works perfectly on every device.

Always Free

Every tool is free forever. No hidden charges or paywalls.

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