ToolMix Blog

URL encoding is essential for web development. Learn everything about encoding and decoding URLs, handling special characters, and building safe query parameters.

Base64 encoding converts binary data to text. Learn how it works, when to use it, and master encoding for emails, images, and APIs with our free tool.

Learn how to minify HTML files to reduce bandwidth, speed up page loads, and improve SEO. Use our free HTML minifier tool with confidence.

Transform minified, messy CSS into clean, readable stylesheets. Learn how to beautify CSS online with proper formatting, indentation, and organization.

Minified JavaScript is unreadable. Learn how to format and beautify JS code online, restore indentation, and debug efficiently with our free tool.

JSON Web Tokens (JWTs) power modern authentication. Learn how to decode JWTs, read payload claims, and understand token structure with our free online tool.

Moving from XML to JSON? Learn how to convert XML data to JSON format quickly and accurately with our free online converter tool.

Transform compressed SQL queries into readable, well-formatted code. Learn SQL formatting best practices and use our free online SQL formatter.

Unix timestamps are everywhere in programming. Learn how to convert between Unix time and readable dates with our free timestamp converter.

Not all random numbers are created equal. Learn the difference between pseudo-random and cryptographically secure random numbers.

Transform text between different cases instantly. Convert to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more with one click.

Accurate word counting is essential for writers, students, and content creators. Use our free word counter to track words, characters, and more.

Find differences between two text files instantly. Perfect for code reviews, document comparison, and tracking changes.

Need placeholder text for your design? Generate custom Lorem Ipsum in any length with our free generator tool.

Resize images to exact dimensions without losing quality. Free online image resizer for web optimization, social media, and more.

Create favicons for every browser and device from a single image. Generate all required sizes instantly.

Design stunning CSS gradients visually. Generate linear, radial, and conic gradients with perfect code output.

SVG files often contain unnecessary metadata and bloat. Optimize SVGs to reduce file size by up to 70% without quality loss.

Write Markdown with instant preview. See your formatted output in real-time as you type.

YAML syntax errors break deployments. Validate YAML files to catch indentation and syntax issues before they cause problems.

Master color formats for web design. Understand HEX, RGB, and HSL, and convert between them effortlessly.

Cryptographic hashes verify data integrity and secure passwords. Learn which hash algorithms to use and when.

Master regular expressions with our interactive tester. Learn 20 common patterns for email, URL, phone validation, and more.

Convert images to Base64 data URLs for embedding in HTML, CSS, or JSON. Eliminate separate image requests.

Calculate what percentage one number is of another, find percentage increases/decreases, and compute discounts instantly.

Stay within character limits for social media, meta descriptions, and SMS. Real-time character counting with space tracking.

Learn how to create custom QR codes for free in seconds — no signup, no software, no limits. Perfect for business cards, menus, marketing materials, and more.

Struggling with messy, minified JSON? Learn how to format and validate JSON online instantly with our free JSON formatter — no installation required.

Weak passwords are the #1 cause of data breaches. Learn how to generate strong, secure passwords instantly with our free online password generator.

Large images slow down your website and frustrate users. Learn how to compress images without visible quality loss using our free browser-based tool.

Need to encode or decode Base64? Learn what Base64 is, when to use it, and how to convert between Base64 and plain text instantly with our free tool.

Want to know your BMI? Learn what Body Mass Index is, how to calculate it, and what your number means with our free online BMI calculator.

Need to inspect a JWT token? Learn what JWTs are, how they work, and how to decode them instantly with our free online JWT decoder.

Regular expressions can be tricky to get right. Learn how to test and debug regex patterns online with real-time highlighting using our free regex tester.

Need to convert spreadsheet data to JSON? Learn how to transform CSV files to JSON format instantly with our free online converter.

Writing in Markdown but need HTML output? Learn how to convert Markdown to clean, semantic HTML instantly with our free online converter.

Need to resize an image to specific dimensions? Learn how to resize images online for free — no software, no signup, no quality loss.

Want to know your exact age down to the day? Learn how to calculate age from any date of birth with our free, instant age calculator.

Need a unique identifier? Learn what UUIDs are, why UUID v4 is the most popular, and how to generate them instantly with our free online tool.

Dealing with special characters in URLs? Learn how to encode and decode URLs properly with our free online tool — and avoid broken links forever.

Need to spot the differences between two texts? Learn how to compare text files, code, and documents online with our free diff checker tool.