💻 Developer Tools

21 free tools in the Developer category — 100% free, no sign-up, built for India.

Base64 Encoder/Decoder

Encode and decode text to/from Base64 format instantly.

URL Encoder/Decoder

Encode or decode URL strings for web development.

HTML Encoder/Decoder

Encode or decode HTML entities in your text.

JSON Formatter

Format, validate, and beautify JSON data with error detection.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes.

UUID Generator

Generate random UUID v4 identifiers instantly.

HTML Previewer

Preview HTML code rendered in real-time in your browser.

Regex Tester

Test regular expressions against sample text with match highlighting.

Slug Generator

Generate SEO-friendly URL slugs from your text.

User Agent Parser

Parse browser user agent strings to identify browser, OS, device.

Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Color Converter

Convert between HEX, RGB, HSL, HSV color formats.

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text for web design and publishing mockups.

HTML Entity Encoder/Decoder

Encode and decode HTML entities including special characters and emoji.

Password Generator

Generate strong, secure passwords with customizable options.

QR Code Generator

Generate QR codes for URLs, text, contacts, and more.

JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting.

Base64 Encoder/Decoder

Encode and decode text to/from Base64 format.

HTML Encoder/Decoder

Encode and decode HTML entities for safe web display.

URL Encoder/Decoder

Encode and decode URLs for safe web and API usage.

SQL Formatter

Format and beautify SQL queries with syntax highlighting.

Free Developer Tools for India

Developer tools on ToolsOfIndia.com help students, professionals and business owners complete everyday tasks quickly and accurately. Most tools provide instant results as you type — no login, no hidden charges, and fully optimized for mobile. Every calculator follows Indian standards, rates and formatting (INR, lakh/crore numbering) so results are immediately usable.

Why Use Our Developer Tools?

We built Developer tools specifically for Indian users. That means accurate formulas, India-specific tax/finance parameters where relevant, fast in-browser calculation that never uploads your data, and a clean, responsive interface that works on every device.