Free Online Private Tools
CSS Minifier Tool
HTML Beautifier
HTML Beautifier Paste your messy HTML code below to format and indent it beautifully, making it clean and readable. Indentation: 2 Spaces 4 Spaces 1 Tab HTML Code: id="htmlCode" rows="18" class="w-full p-4 border border-gray-300 rounded-lg focus:ring-2...
Base64 Encoder & Decoder
URL Encoder & Decoder
JSON Formatter Tool
JSON Formatter & Validator Paste your JSON data below to format, beautify, and validate it instantly. Your JSON Input: id="jsonInput" class="w-full p-4 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-green-500 transition duration-200...
Blogs & Articles
Free Online CSS Minifier & Compressor | ConvertCalm
Learn how minifying your CSS files can dramatically improve your website’s loading speed. Discover what CSS minification is, how it works, and use our free online tool to compress your code instantly.
Free Online HTML Beautifier & Formatter | ConvertCalm
Messy, unformatted HTML is hard to read, debug, and maintain. Learn how an HTML beautifier can instantly transform your code into a clean, perfectly indented format, improving readability and saving you time.
What is Base64 Encoding? A Simple Guide (& Free Tool) | ConvertCalm
Learn what Base64 encoding is and why it’s one of the most common ways to transmit binary data as text. Discover its uses, from email attachments to embedding images in code, and use our free online tool to encode and decode Base64 effortlessly.
What is URL Encoding? A Simple Guide (& Free Tool) | ConvertCalm
Ever wondered why URLs sometimes contain strange characters like %20 or %3F? This is URL encoding at work. Learn what it is, why it’s crucial for the web, and how to use our free online URL Encoder & Decoder to handle it effortlessly.
Free Online JSON Formatter & Validator | ConvertCalm
Tired of unreadable, messy JSON? Learn how a JSON formatter can instantly clean up your data, making it readable, easy to debug, and simple to validate. Access our free tool and make your development workflow more efficient.