54 Free Tools
All Free Online Tools
Browse our complete collection of free calculators, converters, generators, and developer utilities. Most tools run directly in your browser.
Ramadan
Sports
Generators
Barcode Generator
Generate barcodes in EAN-13, EAN-8, UPC-A, Code 128 and more formats
Cron Generator
Generate cron expressions for scheduling tasks
Hash Generator
Generate various hash types (MD5, SHA-256, etc.)
IBAN Generator
Generate valid test IBANs for different countries
Lorem Ipsum Generator
Generate placeholder text for your designs
Meta Tag Generator
Generate SEO-friendly meta tags for your website
Password Generator
Generate secure, customizable passwords
QR Code Generator
Create QR codes for URLs, text, vCards and WiFi
Random String Generator
Generate random strings, passwords and UUIDs
Slug Generator
Convert text into SEO-friendly slugs
Tax Number Generator
Generate Turkish tax numbers for testing
TC Kimlik No Generator
Generate valid-format Turkish TC Kimlik numbers for software testing. Synthetic, not real identity data.
UUID Generator
Generate random UUIDs (v1, v4 & v7) for your projects
Converters & Formatters
Base64 Converter
Encode and decode Base64 strings and files
Color Converter
Convert colors between HEX, RGB, HSL formats
JSON Formatter
Format, validate and beautify JSON data
Markdown ↔ HTML
Convert between Markdown and HTML
Markdown to PDF
Convert markdown documents to PDF format
SQL Formatter
Format, beautify, and minify SQL queries with syntax highlighting
Timestamp Converter
Convert between Unix timestamps and dates
URL Encoder
Encode and decode URL components
XML Formatter
Format, validate and beautify XML documents
Text & Code
Escape/Unescape Tool
Escape and unescape strings for various formats
Diff Checker
Compare two texts and find differences
GDPR Compliance Checker
Analyze privacy policies for GDPR/RGPD compliance
IBAN Validator
Validate and parse IBAN numbers from any country
JWT Encoder/Decoder
Generate, decode, and verify JWT tokens
Line Sorter
Sort, deduplicate and manipulate text lines
Markdown Preview
Live markdown editor with real-time preview
NIR (INSEE) Validator
Validate French NIR (INSEE) social security numbers
Regex Tester
Test and debug regular expressions
SIRET/SIREN Validator
Validate and generate French SIRET/SIREN business numbers
Text Case Converter
Convert text between different cases
Security
Network
Calculators
BMI & Calorie Calculator
Calculate BMI, daily calories, macros and ideal weight with personalized recommendations
Late Payment Interest
Calculate Turkish late payment interest (gecikme zammı) on overdue taxes
VAT Withholding Calculator
Calculate Turkish VAT withholding (KDV tevkifat) rates and amounts
Mortgage Calculator
Calculate mortgage payments, loan affordability, and see amortization schedules
Motor Vehicle Tax Calculator
Calculate Turkish motor vehicle tax (MTV) for cars, motorcycles and trucks
Notice Pay Calculator
Calculate Turkish notice pay (ihbar tazminatı) with 2026 tax rates
Salary Calculator
Calculate gross-to-net and net-to-gross salary with 2026 tax rates for 30 countries
Severance Pay Calculator
Calculate Turkish severance pay (kıdem tazminatı) with 2026 rates
SGK Premium Calculator
Calculate Turkish social security (SGK) premiums for employees and employers
Stamp Duty Calculator
Calculate Turkish stamp duty (damga vergisi) for contracts and documents
Withholding Tax Calculator
Calculate Turkish withholding tax (stopaj) on various income types
VAT Calculator
Calculate VAT/GST for 25+ countries with standard and reduced rates
VAT Refund Calculator
Estimate your tourist tax refund when shopping abroad