SimpleCalculator.in

Practical calculators & tools for real-life decisions.

Clear, realistic calculators and developer tools for finance, tax, and everyday planning — built with real-world assumptions.

Financial

Code & Data Translation

Base64 Encoder/Decoder

Easily encode your text to Base64 or decode any Base64 string back to its original format. A fast, free, and secure online tool that works directly in your browser.

Binary Code Translator

Translate binary code to readable ASCII text or convert text to its binary representation. A simple and free online tool for students and developers.

CSS Formatter

Automatically format and beautify your messy CSS code to make it readable and well-structured. Also includes a minifier to compress your CSS for production.

CSV to JSON Converter

Quickly and easily convert your CSV (Comma-Separated Values) data into a structured JSON format. A free and powerful tool for developers and data analysts.

Caesar Cipher Tool

Encrypt and decrypt messages using the Caesar cipher, a simple substitution cipher. Adjust the shift value to encode or decode your text instantly.

GraphQL Formatter

Format and beautify your GraphQL queries, mutations, or schemas to make them clean, readable, and easy to debug. A simple and free tool for developers.

HTML Formatter, Minifier & Beautifier

Clean up, minify, or beautify your HTML code. Makes your markup easy to read for development or compresses it for faster page loads in production.

Hex to Text Converter

Easily convert a string of hexadecimal values into readable ASCII text, or convert text to its hex representation. A free online tool for developers and programmers.

JSON Formatter & Minifier

Format your JSON data to make it readable and easy to debug. Also validates and minifies JSON for production use. A free and essential tool for developers.

JSON Stringify Text Generator

Convert any block of text, including newlines and special characters, into a valid, JSON-safe string. An essential tool for developers working with JSON.

JavaScript Formatter & Beautifier

Format and beautify your JavaScript code to make it clean, well-structured, and easy to read. A free online tool for web developers.

MD5 Hash Generator

Generate a secure MD5 hash from any string or text. A quick and easy one-way hashing tool for data integrity checks and security.

Markdown Formatter & Previewer

Write and edit Markdown text with a live, real-time preview. Our tool helps you format your Markdown syntax correctly and see the HTML output instantly.

Morse Code Translator

Translate text to Morse code or decode Morse code back to text with our free online tool. Learn and use the classic system of dots and dashes.

Number Sorter

Quickly sort a list of numbers in either ascending or descending order. Simply paste your numbers and get the sorted list instantly.

ROT13 Encoder/Decoder

Easily encode or decode text using the ROT13 cipher, which rotates each letter by 13 places in the alphabet. A simple and fun tool for basic text obfuscation.

Regex Tester Tool

Test your regular expressions (regex) against a sample text string in real-time. A free and powerful tool for developers to debug and validate regex patterns.

SCSS Formatter

Format and beautify your SCSS code to make it clean, readable, and well-indented. An essential tool for front-end developers working with Sass.

Slugify URL Generator

Generate a clean, SEO-friendly URL slug from any string or page title. Converts spaces to dashes, removes special characters, and makes your URLs readable.

TypeScript Formatter Tool

Format and beautify your TypeScript (TS) code to make it readable, clean, and consistently indented. A free and essential tool for TypeScript developers.

URL Encode and Decode

Encode a string to make it URL-safe or decode a percent-encoded URL back to its original, human-readable format. A free and essential tool for web developers.

UTF-8 Encoder/Decoder

Convert text to its UTF-8 byte representation (in hex) or decode UTF-8 bytes back into readable text. A useful tool for understanding character encoding.

UTM Builder Generator

Easily create campaign URLs using UTM parameters (utm_source, utm_medium, utm_campaign). Track your marketing efforts accurately in Google Analytics.

XML Formatter

Format, validate, and beautify XML data to make it clean, readable, and properly indented. An essential free tool for developers working with XML.

YAML Formatter

Format, validate, and beautify your YAML files to ensure correct syntax and a clean, readable structure. A free and simple tool for developers.