URL Encoder/Decoder
Encode or decode URL components and query strings
Developer Tools
Fast, Free, Private
Base64, JSON, UUID, Hash and more. All data stays in your browser.
Tool Categories
Encoders & Decoders
8Encode and decode data in various formats
Formatters & Converters
20Format, beautify, and convert between data formats
Generators
10Generate UUIDs, passwords, hashes, QR codes and more
Text & String Tools
7Manipulate, analyze, and transform text and strings
Network Tools
4IP calculators, URL parsers, and network utilities
Crypto & Security
5Encryption, hashing, key generation and security tools
Dev Helpers
10Chmod calculator, Docker tools, cheat sheets and references
Calculators
9Financial, mathematical, and everyday calculators
Popular Tools
Base64 Encoder/Decoder
Encode or decode Base64 strings and files instantly
URL Encoder/Decoder
Encode or decode URL components and query strings
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) header and payload
JSON Formatter & Validator
Format, beautify, minify, and validate JSON data
JSON ↔ YAML Converter
Convert between JSON and YAML formats instantly
UUID Generator
Generate UUID v1, v4, and v7 identifiers in bulk
Password Generator
Generate strong, secure random passwords with custom rules
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text
QR Code Generator
Generate QR codes from text, URLs, or any data
Color Converter
Convert colors between HEX, RGB, HSL formats with picker
Regex Tester
Test regular expressions with real-time matching and group highlighting
Text Diff Checker
Compare two texts and highlight the differences
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase and more
VAT (KDV) Calculator
Calculate Turkish VAT (KDV) - add or remove VAT from any amount
All Developer Tools
73 toolsBase64 Encoder/Decoder
Encode or decode Base64 strings and files instantly
URL Encoder/Decoder
Encode or decode URL components and query strings
HTML Entity Encoder/Decoder
Encode or decode HTML entities and special characters
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) header and payload
Base32 Encoder/Decoder
Encode or decode Base32 strings
Text to Binary/Hex/Octal
Convert text to binary, hexadecimal, or octal representation
JSON Formatter & Validator
Format, beautify, minify, and validate JSON data
JSON ↔ YAML Converter
Convert between JSON and YAML formats instantly
JSON ↔ XML Converter
Convert between JSON and XML formats
JSON ↔ CSV Converter
Convert between JSON arrays and CSV format
JSON ↔ TOML Converter
Convert between JSON and TOML formats
SQL Formatter
Format and beautify SQL queries for better readability
XML Formatter
Format, beautify and validate XML documents
Markdown to HTML
Convert Markdown text to HTML with live preview
YAML Viewer & Validator
View, format, and validate YAML documents
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal
JSON to TypeScript
Generate TypeScript interfaces and types from JSON data
JSON to Go Struct
Generate Go struct definitions from JSON data
CSV ↔ JSON Converter
Convert between CSV and JSON formats with type detection
SVG to JSX/React
Convert SVG markup to JSX or React components
HTML to Markdown
Convert HTML markup to Markdown format
Tailwind to CSS
Convert Tailwind CSS classes to vanilla CSS properties
UUID Generator
Generate UUID v1, v4, and v7 identifiers in bulk
Password Generator
Generate strong, secure random passwords with custom rules
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text
HMAC Generator
Generate HMAC signatures with various hash algorithms
QR Code Generator
Generate QR codes from text, URLs, or any data
Color Converter
Convert colors between HEX, RGB, HSL formats with picker
Crontab Generator
Build cron expressions visually with human-readable descriptions
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph, and Twitter Cards
Token Generator
Generate random tokens, API keys, and secure strings
Regex Tester
Test regular expressions with real-time matching and group highlighting
Text Diff Checker
Compare two texts and highlight the differences
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase and more
Text Statistics
Count words, characters, sentences, paragraphs and reading time
Slugify String
Convert text to URL-friendly slug format
Text to Unicode
Convert text to Unicode escape sequences and back
String Obfuscator
Obfuscate strings using various encoding methods
IPv4 Subnet Calculator
Calculate subnet mask, network address, broadcast, and host range
URL Parser
Parse and breakdown URL components: protocol, host, path, query, hash
HTTP Status Codes
Complete reference of HTTP status codes with descriptions
User Agent Parser
Parse and analyze browser user agent strings
Bcrypt Hash Generator
Generate and verify bcrypt password hashes
RSA Key Pair Generator
Generate RSA public and private key pairs
OTP Generator & Validator
Generate and validate TOTP/HOTP one-time passwords
Password Strength Analyzer
Analyze password strength with detailed scoring and feedback
BIP39 Mnemonic Generator
Generate BIP39 mnemonic seed phrases for crypto wallets
Chmod Calculator
Calculate Unix file permissions with visual checkboxes
Docker Run → Compose
Convert docker run commands to docker-compose.yml format
Keycode Info
Press any key to get its keycode, key, code, and location
MIME Types Reference
Search and browse common MIME types and file extensions
Git Cheat Sheet
Quick reference for common Git commands and workflows
VAT (KDV) Calculator
Calculate Turkish VAT (KDV) - add or remove VAT from any amount
Percentage Calculator
Calculate percentages, percentage change, and proportions
Age Calculator
Calculate exact age in years, months, and days between two dates
BMI Calculator
Calculate Body Mass Index with category and ideal weight range
Unix Timestamp Converter
Convert Unix timestamps to dates and dates to timestamps
PX ↔ REM Converter
Convert between PX and REM CSS units with configurable base font size
Turkish ID Validator
Validate Turkish national ID numbers (TC Kimlik No) with algorithm check
IBAN Validator
Validate International Bank Account Numbers (IBAN) with country detection
Credit Card Validator (Luhn)
Validate credit card numbers using the Luhn algorithm with card type detection
Email Validator
Validate email addresses with RFC compliance and disposable email detection
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperatures
Byte Converter (KB/MB/GB/TB)
Convert between bytes, KB, MB, GB, TB with binary and decimal modes
JSON Path Finder
Evaluate JSON path expressions and extract data from JSON documents
ROT13 Encoder/Decoder
Encode and decode text using the ROT13 substitution cipher
Morse Code Converter
Convert text to Morse code and Morse code to text with auto-detection
Interest Calculator
Calculate simple and compound interest with monthly breakdown
Area Calculator
Calculate area and perimeter of rectangle, circle, triangle, and trapezoid
Date Difference Calculator
Calculate days, weeks, and business days between two dates
ASCII Table
Complete ASCII character table with decimal, hex, octal, and binary values
Epoch Time Converter
Convert epoch timestamps with relative time and multiple date formats
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Softween is a technology company specializing in software development and digital solutions. Need a custom developer tool? We can build it for you.