Best Free Converters in 2026
Compare and use the top free converters on Yoopla. This hub brings together 12 hand-picked tools that run directly in your browser, so your data stays private and you can start instantly with no installation or account.
12 free tools curated for this category.
Markdown to HTML
Convert Markdown to HTML with instant preview — supports headings, lists, links, and more.
View All ToolsHTML to Markdown
Convert HTML to Markdown format — perfect for extracting content from web pages.
View All ToolsXML to JSON
Convert XML to JSON format instantly — preserves structure and attributes.
View All ToolsJSON to XML
Convert JSON to XML format with proper structure and encoding.
View All ToolsBinary Converter
Convert numbers between binary, decimal, octal, and hexadecimal number systems. Perfect for programming and computer science tasks.
View All ToolsTemperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin. Instant conversion with precise calculations for all temperature scales.
View All ToolsHex to Decimal Converter
Instantly convert hexadecimals to decimal numbers and vice-versa. Perfect for programming, memory addressing, and color codes. Fast, ad-free, and precise.
View All ToolsRoman Numeral Converter
Convert between Roman numerals and numbers (1-3999).
View All ToolsNumber Base Converter
Convert between binary, octal, decimal, and hexadecimal.
View All ToolsText to Binary Converter
Convert text and strings to binary code (0s and 1s) instantly. Free online text to binary encoder.
View All ToolsBinary to Text Converter
Convert binary code (0s and 1s) to readable text instantly. Free online binary to text decoder.
View All ToolsLength & Distance Converter
Convert between metric and imperial length units.
View All ToolsFrequently Asked Questions
Are these converters really free?
Yes, every tool listed here is 100% free with no hidden costs, watermarks, or signup requirements.
Do I need to install anything?
No. Every tool runs directly in your browser with no installation, no signup, and no uploads.
Is my data safe?
Absolutely. All processing happens locally in your browser, so your data never leaves your device.