DevToolbox - Developer Tools Platform

Developer Tools

Select a tool to get started. All tools run locally in your browser for privacy and speed.

📋

JSON Schema Generator

Generate JSON schemas, validate data, minify and beautify JSON with multiple draft version support.

📝

Markdown Converter

Convert between HTML and Markdown formats with live preview

🔍

Text Diff Checker

Compare texts to identify changes with line-by-line highlighting

📊

SIP Calculator

Calculate mutual fund SIP returns and investment growth

🏠

EMI Calculator

Calculate home loan EMI with prepayment scenarios

➕

More Tools

Additional utilities and converters coming soon

ℹ️ How to Use

Select Schema Draft

Choose JSON Schema version (draft-07 recommended)

Paste JSON

Enter any valid JSON in the left panel

Generate Schema

Click to create schema with draft header

Validate & Export

Verify data and download JSON/schema files

JSON Input

0 bytes

🏠 Home Loan EMI Calculator

Calculate home loan EMI with detailed amortization schedule

Loan Amount

₹

Interest Rate (% per annum)

Loan Tenure (Years)

Dev Tools

Developer Tools

JSON Schema Generator

Markdown Converter

Text Diff Checker

SIP Calculator

EMI Calculator

More Tools

ℹ️ How to Use

Select Schema Source

JSON Input

JSON Schema Output

🔍 Text Difference Checker

Original Text

Modified Text

Comparison Results

📝 HTML ↔ Markdown Converter

HTML Input

Markdown Output

📊 SIP Calculator

Year-wise Breakdown

🏠 Home Loan EMI Calculator

⚡ Advanced: Prepayment Planning

💰 Impact Analysis

Amortization Schedule (Year-wise)