All Developer & Productivity Tools
Explore all 306 client-side browser utilities. Filter by category, tags, or instant search keyword.
.env to .env Compare & Diff Tool
Compare two .env environment configuration files side-by-side. Detect missing environment variables, value mismatches, and export missing key templates.
JSON Formatter & Beautifier
Format, validate, prettify, and repair JSON strings instantly with syntax highlighting and tree view.
Regex Tester & Match Debugger
Build, test, and debug Regular Expressions with real-time match highlighting and capture group breakdowns.
JWT Decoder & Token Inspector
Decode JSON Web Tokens (JWT) client-side to inspect Header, Payload claims, and Expiration timestamps.
UUID / GUID v4 Generator
Generate bulk cryptographically secure Universally Unique Identifiers (UUID v4) instantly.
Base64 Encoder & Decoder
Encode plain text or binary strings into Base64 format or decode Base64 back to plain text.
Word & Character Counter
Real-time text analytics counting words, characters, sentences, paragraphs, reading time, and keyword density.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and CONSTANT_CASE.
Character Counter & Social Limit Inspector
Count total characters, words, letters, numbers, symbols, UTF-8 byte size, and verify Twitter, Instagram, LinkedIn, and SMS character limits.
Color Picker & Format Converter
Pick, preview, and convert colors between HEX, RGB, HSL, HSV, and CMYK color spaces.
HEX to RGB Color Converter
Convert HEX color codes (3, 6, or 8 characters) to RGB and RGBA values with real-time swatch preview.
CSS Box Shadow Generator
Design smooth multi-layered CSS box shadows with interactive sliders and instant CSS code output.
Client-Side Image Compressor
Compress JPEG, PNG, and WebP images directly in your browser without uploading to external servers.
Custom QR Code Generator
Generate high-resolution custom QR codes for URLs, text, WiFi, vCards, or WhatsApp with custom colors.
Client-Side PDF Merger
Combine multiple PDF documents into a single consolidated file in your browser.
JSON to CSV Converter
Convert JSON array objects to CSV spreadsheets with custom delimiters, header toggles, and data table preview.
CSV to JSON Converter
Convert CSV spreadsheet text to JSON objects with delimiter auto-detection, type parsing, and custom indent.
Secure Password Generator & Strength Checker
Generate ultra-secure random passwords with configurable character sets, length, and entropy score.
Percentage Calculator & Ratio Tool
Solve common percentage math questions: % of a number, percentage increase/decrease, and X is what % of Y.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable date strings and vice versa.
Markdown Live Editor & Previewer
Write Markdown in a side-by-side split screen editor with instant live HTML rendering.
Cron Expression Generator & Parser
Interactive visual Cron expression generator with human-readable English execution schedule breakdown.
Image Color Palette Extractor
Extract dominant color palettes and HEX/RGB codes from uploaded images locally in browser.
File Hash Calculator
Compute MD5 and SHA-256 cryptographic hashes directly from local files in your browser using Web Crypto API.
Scientific Calculator
Full-featured web scientific calculator supporting trigonometric functions, logarithms, exponents, and history.
Universal Unit Converter
Convert units for Length, Weight, Temperature, Area, Volume, Speed, and Data Storage.
JSON-LD Schema Markup Generator
Generate Schema.org JSON-LD structured data for SoftwareApplications, Articles, FAQs, Breadcrumbs, and Products.
Google SERP Snippet Preview Tool
Simulate Google Desktop and Mobile search result listings with title and meta description truncation checks.
LLM Token Counter & API Cost Estimator
Calculate token counts and estimate API costs for GPT-4, Claude 3.5, and Llama 3 models.
Glassmorphism Frosted Card Builder
Interactively build translucent frosted glass cards with CSS backdrop-filter styles.
JSON Validator & Syntax Checker
Validate JSON syntax in real-time, pin-pointing exact line and column error locations.
JSON Minifier & Compressor
Remove all unnecessary whitespace, newlines, and indentation from JSON payloads to reduce payload size.
XML Formatter & Prettifier
Prettify and format XML markup with customized indentation and tag matching.
YAML Formatter & Validator
Format, validate, and check indentation rules for YAML configuration files.
SQL Query Formatter & Prettifier
Format and format messy SQL queries with uppercase keywords and proper clause alignment.
Cryptographic Hash Generator
Generate cryptographic hashes (SHA-256, SHA-512, SHA-1, MD5) for any text input.
JSON Beautifier & Formatter Extended
Extended JSON beautifier with customizable key quotes, sorting, and custom indentation.
Base64 Text & URL Encoder
Encode plain text strings into Base64 or URL-safe Base64 with full UTF-8 Unicode support.
Base64 Text & Media Decoder
Decode Base64 strings back to plain text or preview embedded Base64 images with auto-format detection.
Duplicate Lines Remover
Clean up text files by removing duplicate lines, empty lines, or trailing spaces.
Text Line Sorter
Sort lines alphabetically (A-Z, Z-A), numerically, by length, or randomly shuffle lines.
Lorem Ipsum Placeholder Generator
Generate customizable dummy text (paragraphs, sentences, words, or lists) for design mockups.
Text Compare & Diff Viewer
Compare two text blocks side-by-side or inline to highlight additions, deletions, and line changes.
Text Find & Replace Utility
Find and replace matching substrings or regex patterns in multi-line text.
RGB to HEX Color Converter
Convert RGB (Red, Green, Blue) and RGBA color values to 6-digit or 8-digit HEX color codes.
HSL to RGB & HEX Color Converter
Convert HSL (Hue, Saturation, Lightness) color values to RGB, HEX, and HSV formats.
CSS Gradient Generator
Create linear, radial, and conic CSS background gradients with customizable color stops and direction.
Color Palette Generator
Generate harmonious color palettes (Monochromatic, Analogous, Complementary, Triadic).
Color Contrast Checker (WCAG 2.1)
Test text and background color contrast ratios against WCAG 2.1 AA and AAA accessibility standards.
CSS Glassmorphism Generator
Create modern frosted glass card UI effects with backdrop-filter blur, opacity, and borders.
CSS Fancy Border Radius Generator
Generate unique organic morphing shapes and blob border-radius values with 8-point corner controls.
CSS Flexbox Layout Playground
Interactive CSS Flexbox playground to visually configure flex-direction, justify-content, align-items, and gap.
CSS Grid Layout Generator
Visually define CSS grid template columns, rows, gap, and area names with clean CSS code output.
CSS Neumorphism Generator
Design soft 3D extruded and inset UI elements with customizable light angles, blur, and surface shapes.
CSS 2D / 3D Transform Generator
Visually manipulate 2D/3D translate, rotate, scale, skew, transform-origin, and perspective.
Image Resizer & Scaler
Resize image dimensions by width, height, or percentage while locking original aspect ratio.
Image Format Converter
Convert images between PNG, JPG, WebP, GIF, and BMP formats instantly.
SVG Optimizer & Minifier
Clean up vector SVG files by removing unused attributes, metadata, comments, and whitespace.
Image Cropper & Aspect Ratio Tool
Crop images with interactive handles or preset aspect ratios (1:1, 16:9, 4:3, 9:16).
Camera & Image QR Code Scanner
Scan QR codes using your device web camera or by uploading an image file.
PDF File Size Compressor
Reduce PDF file size by compressing internal stream objects and embedded assets.
Markdown to HTML Converter
Convert Markdown formatted text into clean semantic HTML markup with live preview and code export.
HTML to Markdown Converter
Convert HTML code back into clean Markdown text with customizable heading styles and list bullet characters.
URL String Encoder
Encode special characters into percent-encoded URL strings with component breakdown and URI options.
URL String Decoder
Decode percent-encoded URL strings with query parameter table inspector and search filter.
SHA-256 / SHA-512 Hash Generator
Calculate 256-bit and 512-bit secure hash algorithm digests for string verification.
MD5 Hash Checksum Generator
Generate 128-bit MD5 hashes for legacy system compatibility and file integrity checks.
Body Mass Index (BMI) Calculator
Calculate Body Mass Index (BMI) using Metric or Imperial units with health category classification.
Loan & EMI Payment Calculator
Calculate monthly loan EMI payments, total interest payable, and amortization breakdown.
Aspect Ratio Calculator
Calculate responsive image and video dimensions based on standard aspect ratios (16:9, 4:3, 21:9).
Virtual Dice Roller & Randomizer
Roll virtual polyhedral dice (D4, D6, D8, D10, D12, D20, D100) with 3D roll animations.
HTML Live Code Sandbox & Preview
Test and render raw HTML, CSS, and JavaScript code in a real-time isolated sandbox iframe.
CSS Code Beautifier & Minifier
Format, beautify, clean, or minify CSS style sheets with customizable indent formatting.
Password Strength & Security Checker
Analyze password security with real-time strength score, entropy calculation, crack time estimation, and criteria checklist.
Exact Age & Birthday Countdown Calculator
Calculate exact age in years, months, days, total hours/minutes, and next birthday countdown.
GST / Sales Tax Calculator
Calculate Goods & Services Tax (GST) for exclusive (Add GST) and inclusive (Remove GST) amounts.
Shopping Discount & Savings Calculator
Calculate final price, total savings, and effective percentage with primary and extra stackable coupon discounts.
Loan Payment & Amortization Calculator
Calculate monthly loan payments, total cumulative interest, and yearly amortization schedule summary.
Tip & Bill Split Calculator
Calculate restaurant tip amounts and split total bills evenly between multiple people.
Random Number Generator
Generate customizable sets of random numbers within a min/max range with unique toggles and sorting.
Fast Quick Password Generator
Generate instant random passwords or memorable passphrases with one-click copy presets.
JavaScript Code Beautifier & Minifier
Format, clean, or minify JavaScript source code with custom indentation and line breaks.
JSON Compare & Diff
Compare two JSON objects side-by-side to highlight additions, deletions, modified keys, and structural differences.
JSON Escape & Unescape
Escape JSON strings for embedding in code strings or unescape stringified JSON payloads back into valid JSON.
XML Syntax Validator
Validate XML syntax, closing tags, attribute formatting, and XML namespaces with line error pointers.
YAML Syntax Validator
Validate YAML code syntax, indentation levels, and structural mapping errors in real time.
SQL Query Minifier
Minify SQL queries by stripping comments and unnecessary spaces into single-line strings.
URL Inspector & Parser
Parse URLs into protocol, hostname, port, pathname, search query parameters table, and hash fragment.
URL Query Parameter Builder
Construct clean URLs by adding base URL and managing key-value query parameters dynamically.
HTTP Status Code Reference
Searchable dictionary of HTTP status codes (1xx, 2xx, 3xx, 4xx, 5xx) with descriptions and specs.
MIME Type Reference & Search
Search MIME types by file extension or search file extensions by MIME type.
NanoID Generator
Generate compact, URL-friendly, unique string IDs using customizable length and character sets.
URL Slug Generator
Convert titles and strings into clean, SEO-friendly URL slugs with accent removal.
Remove Empty Lines
Strip blank lines, whitespace lines, or duplicate empty lines from text blocks.
Strip HTML Tags
Remove HTML elements, script tags, and inline formatting from markup strings leaving pure plain text.
Capitalize Sentences
Auto-capitalize sentence starting letters and fix capitalization issues in paragraphs.
Reading & Speaking Time Estimator
Calculate estimated reading time, speaking time, and paragraph metrics for articles and speeches.
Duplicate Word Finder
Find and highlight repeated or overused words in text to improve writing style and SEO readability.
SVG Viewer & Code Inspector
Render SVG graphics with background grid toggle, zoom controls, and raw XML code inspector.
SVG to PNG / JPG Converter
Convert SVG vector files into high-resolution PNG or JPG raster images with scale control.
Image EXIF Metadata Viewer
Inspect image metadata including dimensions, MIME type, aspect ratio, file size, and header info.
Image Filters & Adjustments
Apply Grayscale, Sepia, Blur, Brightness, and Contrast filters to images with live preview & download.
Favicon Generator
Generate multi-resolution favicon PNG icons (16x16, 32x32, 48x48, 180x180) from any image.
Color Mixer & Blender
Blend two colors together by percentage ratio to calculate intermediate HEX, RGB, and HSL values.
Tailwind CSS Palette Reference
Interactive color palette viewer for Tailwind CSS colors with one-click HEX and class name copy.
CSS Clamp Generator
Calculate responsive CSS clamp() typography and spacing functions for fluid web layouts.
CSS Transition Builder
Build custom CSS transition timing functions, cubic-bezier curves, and duration CSS rules.
CSS Filter Generator
Build CSS filter rules (blur, brightness, contrast, drop-shadow, hue-rotate, invert, saturate, sepia).
HTML Entity Encoder & Decoder
Encode characters into HTML entities (<, >, &, ") or decode HTML entities back to plain text.
Unicode & Escape Converter
Convert characters to Unicode code points, hex escape sequences (\uXXXX), and HTML decimal references.
Mock & Fake Data Generator
Generate mock user profiles (Names, Emails, Passphrases, Phone Numbers, Addresses) locally for testing.
Binary & Number Base Converter
Convert numbers between Binary (Base 2), Octal (Base 8), Decimal (Base 10), and Hexadecimal (Base 16).
Compound Interest & Savings Calculator
Calculate investment growth, compound interest, annual returns, and savings projections.
JavaScript Code Minifier
Compress JavaScript files by removing comments and unnecessary spaces.
Financial Savings Growth Calculator
Calculate investment growth, interest earned, and financial projections.
Date Difference & Duration Calculator
Calculate exact days, weeks, months, and hours between two dates.
IP Subnet & CIDR Calculator
Calculate subnet masks, network IDs, broadcast addresses, and host capacities.
Display DPI & Screen Resolution Inspector
Inspect physical screen resolution, device pixel ratio (DPR), and color depth.
SEO Meta Tag & OpenGraph Generator
Generate HTML meta tags, OpenGraph metadata, and Twitter Card tags.
Excel Formula & Function Generator
Build VLOOKUP, XLOOKUP, INDEX/MATCH, and IF formulas for Excel and Google Sheets.
Excel Column Letter to Number Converter
Convert Excel column letters (A, Z, AA, XFD) to numeric column index numbers.
CSV to Excel Spreadsheet Converter
Convert CSV data into clean Excel spreadsheet format with tabular preview.
Excel Workbook & Schema Structure Comparator
Compare worksheet structures and column header schemas across two Excel workbooks.
SVG to PNG Image Converter
Convert raw SVG code or vector file into PNG image format with custom width & height.
SVG to React / JSX Converter
Convert standard SVG markup into clean React / JSX functional component code.
SVG Code Minifier & Optimizer
Minify SVG markup by stripping XML comments, extra whitespace, and unused tags.
HTML Table Code Generator
Visually generate HTML table elements with custom rows, columns, and inline styling.
JavaScript Code Obfuscator
Obfuscate JavaScript source code to prevent easy reading or reverse engineering.
JavaScript Code Beautifier
Format and indent minified JavaScript code for clean readability.
TypeScript to Plain JavaScript Converter
Strip TypeScript interfaces and type annotations to produce plain JS.
Console.log Statement Remover
Remove all console.log, console.warn, and console.error statements from JavaScript code.
WiFi Auto-Connect QR Generator
Generate WiFi network QR codes for instant mobile camera scanning & connection.
vCard Contact Info QR Generator
Generate contact business card (vCard) QR codes for instant phone contact saving.
PDF to Image Converter
Convert pages of a PDF document into high-resolution PNG or JPEG image files.
Hexadecimal (Hex) Encoder & Decoder
Convert text to Hexadecimal byte representation and decode Hex strings to text.
Binary (0s & 1s) Text Converter
Convert plain text into Binary code (0s and 1s) and decode Binary strings back to text.
ROT13 Caesar Cipher Encoder
Encode or decode text using the ROT13 alphabet substitution cipher.
ASCII Character Code Converter
Convert characters to ASCII decimal codes and ASCII numbers back to text.
Return on Investment (ROI) Calculator
Calculate net profit and ROI percentage for investments and business ventures.
SIP Mutual Fund Return Calculator
Calculate future wealth and estimated returns from monthly Systematic Investment Plans (SIP).
Home Mortgage Payment Calculator
Calculate monthly home loan mortgage payments, total interest, and principal breakdown.
Business Break-Even Analysis Calculator
Calculate break-even sales unit volume and revenue required to cover fixed costs.
World Clock & Timezone Converter
Convert date and local time across UTC, PST, EST, GMT, and IST timezones simultaneously.
Working Business Days Calculator
Calculate total business working days between two dates, excluding weekends.
Visual Cron Schedule Builder
Visually build and inspect 5-part Cron schedule expressions for task scheduling.
Visual Countdown Timer Utility
Customizable visual countdown timer for productivity, focus, and time management.
MAC Address Format Converter
Format MAC addresses into Colon, Hyphen, or Cisco Dot notation style.
User-Agent Header Parser
Parse User-Agent HTTP strings to detect browser, operating system, and device type.
DNS Record Lookup Simulator
Simulate and inspect DNS record types (A, AAAA, MX, TXT) for any domain name.
TCP/UDP Common Port Reference Guide
Searchable directory and reference guide for well-known network TCP/UDP ports.
Markdown Table Code Generator
Generate formatted Markdown table code with custom rows, columns, and alignment.
Markdown to PDF Document Converter
Export Markdown content directly into printable PDF document format.
Markdown Syntax Reference Cheatsheet
Interactive cheatsheet and quick reference for Markdown formatting syntax.
GitHub README Badge Generator
Generate Shields.io Markdown badge code for GitHub project README files.
Code & Text Difference Checker
Compare two blocks of code or text to spot additions, deletions, and modifications.
JSON Payload to TypeScript Interface Converter
Automatically generate TypeScript interface type definitions from JSON payloads.
Audio Spectrum Frequency Band Chart
Interactive frequency spectrum reference guide for audio engineering & mixing.
Interactive Visual Metronome
Visual and audio metronome utility for musicians with customizable BPM and tempo pulse.
Decibel (dB) Sound Level Safety Guide
Reference chart for environmental sound levels and hearing safety decibel thresholds.
Display Aspect Ratio Calculator
Calculate screen aspect ratios (16:9, 4:3, 21:9) and dimension multipliers.
Monitor Display Color Depth Tester
Detect and inspect your monitor display color bit-depth (24-bit TrueColor / HDR).
Screen & Viewport Resolution Detector
Detect monitor screen resolution, device pixel ratio (DPR), and physical pixels.
Mouse USB Polling Rate (Hz) Tester
Measure mouse USB polling rate frequency in Hz by moving your cursor in real time.
HTTP Status Codes Reference Guide
Searchable directory of all HTTP status codes (200, 301, 404, 500) and descriptions.
HTML SEO Meta Tag Generator
Generate HTML <meta> tags, OpenGraph, and Twitter Card metadata for websites.
HTTP Headers Raw String Parser
Parse raw HTTP response headers into structured JSON key-value objects.
URL Component Parser & Inspector
Parse any URL string into protocol, hostname, port, pathname, search params, and hash.
CSV Data Cleaner & Trimmer
Clean CSV files by stripping extra whitespace, removing empty lines, and normalizing cells.
JSON Array to HTML Table Converter
Convert an array of JSON objects into a formatted HTML <table> element.
Bitcoin (BTC) Wallet Address Validator
Validate Bitcoin wallet addresses and identify address type (Legacy, SegWit, Taproot).
Keccak-256 Hash Generator
Calculate Keccak-256 cryptographic hashes for Ethereum text & smart contract signatures.
Base58 Text Encoder & Decoder
Encode or decode text payloads into Base58 format used by Bitcoin and Solana.
BIP-39 Mnemonic Seed Phrase Generator
Locally generate 12-word BIP-39 mnemonic seed phrases for crypto wallet initialization.
Excel Sheet Cell-by-Cell Diff Tool
Upload two Excel sheets to compare cell values and highlight data differences.
Robots.txt Visual Generator & Validator
Interactively generate and validate robots.txt crawl directives, sitemap declarations, and User-Agent blocks.
XML Sitemap Generator
Convert lists of site URLs into clean XML sitemaps with priority, change frequency, and lastmod tags.
Keyword Density & TF-IDF Content Analyzer
Analyze text content for keyword frequency, density percentages, word counts, and n-gram term distribution.
AI Prompt Enhancer & Refiner
Transform raw user task requests into structured, high-performing role-based AI prompts.
System Instruction Prompt Builder
Build structured system instruction prompts for AI agents with identity, constraints, and guidelines.
JSON Schema Generator for LLM Function Calling
Convert JSON payloads into valid JSON Schema for OpenAI Structured Outputs and function calling.
Markdown to LLM Context Window Formatter
Format and sanitize Markdown documents into clean context blocks for LLM prompt windows.
Design Token & CSS Variables Generator
Generate CSS Custom Properties and design token structures for design systems.
Neumorphism Soft UI Shadow Generator
Generate soft UI dual box-shadow CSS code with light source and distance sliders.
SVG Icon Custom Styler
Modify stroke color, stroke width, and fill attributes of SVG icon markup.
Image Dominant Color Palette Extractor
Extract dominant color swatches and HEX values from uploaded images using HTML5 Canvas.
Human-Readable CRON Schedule Parser
Parse CRON expressions into natural language schedule descriptions and execution times.
cURL Command to JavaScript Fetch Converter
Convert cURL command strings into clean JavaScript fetch() request code.
JSON Syntax & Schema Structure Validator
Validate JSON documents for syntax errors and structural integrity.
.env Environment File Syntax & Duplicate Keys Checker
Check .env environment configuration files for duplicate keys and syntax errors.
Semantic Versioning (SemVer) Release Increment Calculator
Calculate Major, Minor, and Patch release version increments for software packages.
Color Blindness Accessibility Simulator
Simulate color appearance under vision deficiency filters.
CSS Fluid Typography clamp() Calculator
Calculate responsive typography clamp(min, val, max) rules.
CSS aspect-ratio & Screen Dimension Calculator
Calculate screen aspect ratios from pixel dimensions.
Multi-Size Favicon PNG & ICO Package Generator
Generate multi-size favicons for desktop and mobile.
JSONP Callback Payload Formatter
Extract raw JSON payload from JSONP callback function wrappers.
JavaScript Keyboard Event KeyCode Inspector
Inspect keyboard event.key, event.code, and keyCode live.
Client-Side JavaScript Benchmark Timer
Measure JavaScript function execution ops per second.
Interactive JavaScript Array Methods Playground
Interactive reference for map, filter, and reduce array operations.
Wi-Fi WPA2/WPA3 Instant Connection QR Code Generator
Generate QR codes for instant Wi-Fi network joining.
Edit PDF Document Metadata (Title, Author, Subject, Keywords)
Edit PDF title and author metadata tags.
Convert Image to HTML <img src="data:..."> Base64
Convert images into HTML data URI img tags.
Internationalized Domain Names (IDN) Punycode Converter
Convert non-ASCII domain names to Punycode.
Bcrypt Password Hash Generator & Salt Simulator
Simulate Bcrypt password hashing and salt rounds.
Caesar Shift Cipher Encoder & Decoder
Encode text using customizable Caesar shift cipher substitution.
Simple Interest Calculator
Calculate simple interest, principal, and total accrued amount.
Mortgage Monthly Payment Estimator
Estimate monthly mortgage payments based on loan and interest rate.
Sales Tax & Gross Total Calculator
Calculate net price, sales tax amount, and gross total.
Systematic Investment Plan (SIP) Mutual Fund Calculator
Calculate SIP wealth accumulation returns.
Inflation Adjusted Purchasing Power Calculator
Calculate future purchasing power adjusted for inflation rates.
Compound Annual Growth Rate (CAGR) Calculator
Calculate Compound Annual Growth Rate (CAGR) % for investments.
Localized Currency Formatter
Format raw numbers into localized currency strings ($ / € / £).
Debt Payoff Timeline Estimator
Estimate months needed to become debt free based on monthly payments.
Unix Epoch Timestamp to UTC Date Converter
Convert Unix epoch timestamps to UTC date strings.
Global Timezone Reference & UTC Offsets
Quick reference for global timezones and UTC offsets.
CIDR IP Subnet Mask & Host Range Calculator
Calculate usable IP host ranges from CIDR subnets.
MAC Address OUI Hardware Vendor Reference
Lookup hardware vendor from MAC address OUI prefix.
User Agent String Parser & Browser Inspector
Inspect browser engine and OS details from user agent strings.
URL Protocol, Host, Path & Query Parameter Parser
Parse URL strings into protocol, host, pathname, and query params.
HTTP Request & Response Headers Formatter
Format raw HTTP header strings into clean key-value maps.
GitHub README Shields.io Badge Generator
Generate Shields.io markdown badges for GitHub READMEs.
Markdown Syntax & SEO Quality Linter
Validate Markdown syntax rules, heading hierarchy, and link targets.
TypeScript Interface to Type Alias Converter
Convert TypeScript interface definitions to type aliases.