Free Online Tools

Discover your public IP address with geolocation, ISP information, and security details. Instant automatic detection for network diagnostics.

Analyze meta tags from any URL and get detailed SEO recommendations. Check title, description, Open Graph and more.

Online Markdown editor with live preview. Write Markdown and see the HTML rendering instantly. Copy the generated HTML with one click.

Easily calculate percentages: X% of Y, what percent X is of Y, percentage change. Free and instant tool.

Calculate your Body Mass Index (BMI) and discover your category according to WHO standards. Free tool with visual interpretation.

Calculate and convert aspect ratios. Resize your images and videos while preserving proportions. Free tool for designers.

Compare two texts and visualize differences. Identify additions, deletions and modifications line by line. Free diff tool.

Calculate the number of days between two dates. Option to exclude weekends and see breakdown in years, months and weeks.

Count words, characters, sentences and paragraphs instantly. Includes reading time estimate. Free and fast tool.

Convert text to uppercase, lowercase, camelCase, snake_case, kebab-case and more instantly. Free and fast tool, no signup required.

Convert colors between HEX, RGB, HSL and CMYK. Preview colors in real-time. Free tool for designers and developers.

Encode and decode HTML entities (special characters). Free, fast, and secure - convert <, >, & and other entities instantly.

Convert instantly between bytes, KB, MB, GB, TB. Free, fast, and no installation required - precise calculations for your storage needs.

Convert JSON to YAML and vice versa instantly. Free tool with automatic validation, formatting, and support for complex files.

Convert between Unix timestamp and readable dates instantly. Free tool for developers with millisecond support, UTC and timezone handling.

Easily convert between different units of measurement: length, weight, volume and temperature. Real-time conversions.

Encode and decode text to Base64 instantly. Free, secure tool with no limits. Bidirectional conversion with full Unicode and special character support.

Extract a palette of dominant colors from any image. Get HEX, RGB, and HSL codes instantly. Perfect for designers and developers.

Encode and decode URLs easily. Convert special characters to URL-safe format and back. Free tool for developers.

Format and beautify your JSON instantly. Syntax validation, customizable indentation, minification. Free tool for developers.

Generate Lorem Ipsum placeholder text easily. Choose paragraphs, words, or sentences. Free tool for designers and developers.

Create secure, customizable passwords with strength indicator. 100% client-side generation using Web Crypto API.

Generate MD5, SHA-1, and SHA-256 hashes for your text and files. Free, fast, and secure - everything happens in your browser without data transmission.

Create free QR codes instantly. Customize size and error correction level. Download as PNG. Perfect for marketing and links.

Convert your titles to URL-friendly slugs. Removal of accents, special characters and spaces. Free tool for SEO.

Generate random, secure UUID v4 (Universally Unique Identifiers) instantly. Free, fast, and no installation required. Perfect for developers.

Minify your CSS and JavaScript code to reduce file size and improve web performance. Automatically removes whitespace, comments, and unnecessary characters.

Resize your images with a high-quality algorithm. Supports JPEG, PNG, and WebP. Maintain aspect ratio and control compression quality.

Scan your website to detect broken links (404, 500 errors). Recursively analyze up to 3 depth levels with detailed report and CSV export.

Test and validate your regular expressions (regex) in real-time. Free tool for developers with full flag support and group capture.

Convert numbers between binary, decimal, octal, and hexadecimal instantly. Free developer tool with real-time updates.

Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly. Free tool with precise calculations and real-time updates.

Convert text to Morse code and back instantly. Free, secure tool with bidirectional encoding and one-click copy.