20 articles
Complete list of essential HTML tags with examples to code faster.
Discover all HTML input types (text, email, date, file…) and how to use them to build modern and efficient forms.
Easily convert decimal numbers to binary using the successive division method, a complete table and practical examples.
Learn to convert a binary number to decimal with our step-by-step method, reference table and online tool.
Generate an MD5 hash online. Discover legitimate use cases and why MD5 should no longer be used for security.
How to generate a SHA-256 hash? Free online tool, algorithm explanation and use cases in security and data integrity.
Instantly decode a Base64 string to text or binary. Free online tool for JWT, tokens and encoded data.
How to encode text or data in Base64? Free online tool, HTTP, JWT, image and API use cases.
Convert your YAML files (Kubernetes, Docker, GitHub Actions) to JSON for debugging, validating or integrating your configurations.
Transform your XML data into structured JSON for your modern web applications and APIs. Free online tool.
Easily transform a CSV file into structured XML for your SOAP integrations, XSLT or legacy systems.
Transform your CSV files to JSON in seconds. Free online tool with header and delimiter handling.
Convert your JSON to YAML for your Kubernetes, Docker Compose or GitHub Actions configuration files.
How to convert JSON to XML? Mapping rules, free online tool and step-by-step transformation examples.
Identify and fix the most common JSON errors: missing commas, single quotes, unquoted keys and comments.
Format and beautify your JSON in one click: automatic indentation, syntax highlighting and real-time validation.
Step-by-step guide to using an online regex tester: entering the pattern, choosing flags, reading groups and debugging expressions.
Test your regular expressions online with match highlighting, capturing groups and pattern explanation.
How to visualize HTML code directly in your browser? Complete guide with examples and use cases.
Test and preview your HTML code directly in your browser with a live preview.