Free Online Data Converters
Convert between JSON, CSV, XML, YAML, Markdown, and more. All processing happens in your browser — your data never leaves your device.
🔄 Unit Converters
Kg to Lbs
Convert kilograms to pounds instantly.
Lbs to Kg
Convert pounds to kilograms instantly.
Celsius to Fahrenheit
Convert °C to °F temperature quickly.
Fahrenheit to Celsius
Convert °F to °C temperature quickly.
CM to Inches
Convert centimeters to inches easily.
Inches to CM
Convert inches to centimeters easily.
Miles to KM
Convert miles to kilometers for distance.
KM to Miles
Convert kilometers to miles for distance.
ML to Oz
Convert milliliters to fluid ounces.
Oz to ML
Convert fluid ounces to milliliters.
Feet to Meters
Convert feet to meters for length.
Meters to Feet
Convert meters to feet for length.
Gallons to Liters
Convert US gallons to liters.
Cups to ML
Convert cups to milliliters for cooking.
MM to Inches
Convert millimeters to inches precisely.
MPH to KPH
Convert miles per hour to km per hour.
💾 Data & Format Converters
JSON to CSV
Convert JSON arrays to CSV format. Download as .csv file.
CSV to JSON
Parse CSV data into JSON arrays or objects.
XML to JSON
Convert XML documents to JSON format instantly.
JSON to XML
Transform JSON data into well-formed XML documents.
YAML to JSON
Convert YAML configuration to JSON format.
JSON to YAML
Transform JSON data into clean YAML format.
Markdown to HTML
Convert Markdown text to HTML with live preview.
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal.
Unit Converter
Convert length, weight, temperature, and more units.
Text Case Converter
Convert text between camelCase, snake_case, UPPER, lower.
Hex to RGB Converter
Convert HEX color codes to RGB, HSL, and HSV formats.
HTML to Markdown
Convert HTML code to clean Markdown syntax.
Image to Base64
Convert images to Base64 data URLs for CSS/HTML embedding.
Base64 to Image
Decode Base64 strings to preview and download images.
JSON to TypeScript
Generate TypeScript interfaces from JSON data automatically.
Timestamp Converter
Convert Unix timestamps to dates and vice versa.
Unicode Converter
Convert text to Unicode escape, UTF-8 hex, HTML entities.
CSV to XML
Convert CSV data to well-formatted XML documents.
Markdown to Text
Strip Markdown formatting to get clean plain text.
XML to YAML
Convert XML documents to YAML format.
Unix Timestamp
Convert Unix timestamps to human-readable dates and vice versa.
Why ConvKit?
100% Privado
Todas as ferramentas rodam no seu navegador. Nenhum dado é enviado para servidores.
Resultados Instantâneos
No waiting, no loading. Process data in milliseconds.
Grátis para Sempre
83 ferramentas, custo zero. Sem cadastro, sem limites.
Funciona em Todo Lugar
Desktop, tablet, celular. Qualquer navegador moderno, qualquer dispositivo.
Últimos Artigos
Ver todos >View all →Complete Metric to Imperial Conversion Guide (Length, Weight, Volume, Temperature)
Master metric to imperial conversions with our complete guide. Easy formulas, conversion tables for length, weight, volu...
Working with CSV Data: Parsing, Cleaning, and Converting
Practical guide to handling CSV files: parsing quirks, data cleaning, and format conversion....
Data Format Cheat Sheet: JSON, XML, YAML, CSV, TOML
Quick reference for popular data formats. Syntax, use cases, and conversion tips....
How to Convert JSON to CSV: Methods and Tools
Step-by-step guide to converting JSON data to CSV format for spreadsheets and data analysis....
About ConvKit
ConvKit (conv-kit.com) is a free online tool suite offering 83 free tools for data and file format conversion — CSV, JSON, XML, Base64, units, and more. All tools run entirely in your browser — no data is uploaded to any server, ensuring complete privacy. No registration or signup required.