Dev Utilities

Practice Data Structures & Algorithms problems with instant feedback and test cases

Create web pages with live preview

Write and run JavaScript/TypeScript code

Test and debug APIs with a complete HTTP client interface

Analyze npm packages for size, dependencies, and metadata

View SVG code as images or extract code from SVG files

Encode and decode Base64 data

Convert CSV data to JSON format

Generate MD5, SHA1, SHA256 hashes

Encode and decode HTML entities

Compare and diff JSON objects

Parse, format, and validate JSON data

Convert JSON data to CSV format

Decode and validate JWT tokens

Generate placeholder text

Create and preview Markdown content with real-time rendering

Test and validate regular expressions

Generate URL-friendly slugs

Convert text between different cases

Compare text with line numbers and highlighting

Create diagrams from markdown-style syntax using Mermaid.js

Encode and decode URLs

Generate unique identifiers

Count words, letters, characters, and lines

Convert between XML and JSON formats

Convert between YAML and JSON formats

Generate bulk INSERT, UPDATE, and DELETE queries from CSV data

Parse Prisma schema files and generate ERD diagrams

Create professional invoices and estimates with PDF export

Create interactive tech roadmaps with draggable nodes

View and remove image EXIF data

Convert files to Base64 and back

View file metadata and properties

Pick colors from images with hover preview and multiple format support

Compress images to reduce file size

Convert between image formats

Resize and optimize images

Convert images to PDF documents

Extract text from images using OCR

Merge and split PDF documents

Preview CSS border radius

Generate CSS box shadows

Create CSS clip-path shapes

Pick colors and generate palettes

Create, preview, and export custom CSS animations

Generate glassmorphism effects

Create CSS gradients

Create beautiful loading animations and export JSX/CSS code

Generate Tailwind CSS classes

Calculate age and date differences

Calculate in binary, hex, decimal

Convert between number bases

Format numbers as currency, percentage

Calculate percentages and ratios

Generate random numbers and data

Convert timestamps and dates

Convert between timezones

Convert between different units

Calculate EMI for home loans, personal loans, car loans with amortization schedule and prepayment options

Calculate SIP returns, maturity amount, and wealth creation with detailed projections and analysis

Calculate Fixed Deposit and Recurring Deposit maturity amounts with detailed projections and comparison

Convert currencies with live exchange rates from around the world. Support for 30+ currencies with real-time updates

Calculate your Body Mass Index (BMI) with height and weight inputs. Get BMI category, health recommendations, and track your fitness goals with detailed charts and analysis

Calculate your daily calorie needs with BMR calculator, track food intake, and plan meals. Get personalized nutrition recommendations based on your activity level and fitness goals

Calculate how to split bills among friends with tip included. Track individual items, calculate tips, and divide expenses fairly with detailed breakdowns and multiple payment methods

Calculate fuel costs for your trips based on distance, mileage, and fuel price. Plan your journeys, compare vehicle efficiency, and track fuel expenses with detailed breakdowns and cost analysis

Generate CURL commands from API

Format and minify CSS

Git commands reference

Format and minify HTML

Check HTTP status codes

Get IP address information

Format and minify JavaScript

Preview meta tags and OpenGraph

Generate OpenGraph meta tags

Parse and analyze user agents

Generate various barcodes

Manage clipboard history

Generate fake user data

Generate secure passwords

Generate QR codes

Scan QR codes with camera

Convert speech to text

Convert text to speech