Great utilities that help you design, program and maintain your website
Check the contrast ratio between two colors to ensure your text is readable and your design meets WCAG accessibility standards (AA/AAA).
Calculate the aspect ratio of an image or video, and find new dimensions while maintaining the same ratio. Perfect for resizing, cropping, and responsive design.
Create high-quality barcodes online for free. Generate various barcode types like CODE128, EAN, and UPC for product labeling, inventory, and more.
Easily decode Base64 encoded strings back to their original text or data format. A simple, fast, and free online utility for developers and data analysts.
Quickly encode your text and data into Base64 format with our free online utility. Perfect for developers for web-safe data transmission and embedding.
Instantly view an image from a Base64 data string. Paste your Base64 code, including the data URI prefix, to render and preview the picture directly.
Easily convert binary code into plain text (ASCII/UTF-8). This tool decodes space-separated binary strings back into readable characters.
Easily convert text between different cases: UPPERCASE, lowercase, Title Case, and Sentence case. A quick and simple utility for all your text formatting needs.
Count characters, words, lines, and non-blank lines in your text. Our online utility provides instant and accurate statistics for writers, editors, and students.
Generate a clean, Markdown-formatted entry for your CHANGELOG.md file. Keep your project's release notes consistent and easy to read.
Create a color scale by blending two colors together. This tool generates a palette of steps between your chosen colors, perfect for creating gradients and themes.
Convert colors between HEX, RGB, and HSL formats with our versatile online utility. Also includes a color picker for easy selection and conversion.
Extract a beautiful color palette from any image. Upload a photo to generate a color scheme based on its most dominant colors, perfect for design inspiration.
Create a monochromatic color palette by generating lighter (tints) and darker (shades) variations of a base color. Perfect for UI and theme design.
Validate a credit card number against the Luhn algorithm. This tool checks for a valid number format, helping to catch typos and formatting errors.
Create and understand cron job schedules with an easy-to-use generator. Define your task's timing and get the crontab line and a human-readable explanation.
Visually generate CSS @keyframes animations. Choose from preset effects like fade, slide, and shake, customize the duration, and get the complete CSS code.
Quickly generate CSS class names following the BEM (Block, Element, Modifier) methodology. A simple helper to keep your CSS organized and scalable.
Visually generate complex CSS `border-radius` values. Create organic, fluid shapes by individually controlling the radius of each corner.
Visually create and customize CSS box-shadow effects. Adjust offsets, blur, spread, and color to generate the perfect shadow code for your web elements.
Visually design custom CSS buttons with our interactive generator. Customize padding, borders, colors, and hover effects to create the perfect button style.
Easily generate the CSS clamp() function for fluid typography and spacing. Create perfectly scalable text that adapts to any screen size.
Create unique element shapes with the CSS `clip-path` property. Choose from a variety of presets to generate code for non-rectangular layouts.
Visually create custom CSS animation and transition timing functions with our interactive cubic-bezier() curve generator.
Visually apply CSS filters like blur, brightness, contrast, and more to an image. Generate the CSS `filter` code for your projects.
Visually learn and generate CSS Flexbox layouts. Adjust properties like direction, justification, and alignment to create responsive designs with ease.
Visually create complex and responsive CSS grid layouts. Define columns, rows, and gaps to generate the CSS code for your website.
Visually create beautiful CSS linear gradients. Choose your colors and angle, and get the cross-browser CSS code instantly for your website backgrounds.
Reduce the file size of your CSS by removing comments and unnecessary whitespace. Our online CSS minifier helps improve your website's loading speed.
Visually test your CSS `:nth-child` and `:nth-of-type` selectors. See which elements are selected by formulas like `2n+1` in real-time.
Calculate the specificity of CSS selectors to understand the cascade and why some styles override others. An essential tool for debugging complex stylesheets.
Create stunning typographic effects with our multi-layer CSS text-shadow generator. Design complex glows, outlines, and 3D text effects visually.
Visually generate 2D CSS `transform` properties. Use sliders to control scale, rotate, skew, and translate, and get the cross-browser CSS code.
Create pure CSS triangles with this visual generator. Select the direction, size, and color to get the cross-browser CSS code for tooltips, menus, and more.
Quickly create a `:root` block of CSS Custom Properties (variables) for your website's theme, including colors, fonts, and spacing.
Convert CSV data into a structured JSON array of objects. Paste your comma-separated data to transform it into a developer-friendly JSON format.
Generate `data:` URIs from files or plain text. A versatile tool to embed any resource directly into your code, from images to text files.
Clean up your lists by removing all duplicate lines. This utility quickly processes your text to provide a list of unique entries, with an option for case-sensitivity.
A simple utility for developers to find the `key`, `code`, and `which` properties of a keyboard event. Just press any key to see its corresponding values.
Create a complete set of favicons for your website from a single image. Generates apple-touch-icon.png, Android Chrome icons, and a web manifest.
Easily find and replace text within a block of content. This online tool supports case-sensitive and global replacement for quick text editing and data cleanup.
Generate a `.gitignore` file for your project. Select from a list of common technologies, frameworks, and editors to create a tailored ignore file.
Generate a .htaccess file with common rules for your Apache server, including HTTPS redirection, www/non-www handling, and browser caching.
Quickly find and copy common HTML character entities. A searchable reference for special symbols like copyright, trademark, quotes, and more.
Decode HTML entities like < and & back into their original characters. This utility helps you convert encoded text into a readable format.
Convert special characters into their corresponding HTML entities. This utility is essential for safely displaying code snippets or text with special symbols on a webpage.
Remove all HTML tags from a block of text to get the clean, plain text content. A quick and easy tool for content cleanup and data extraction.
Quickly generate HTML table markup from comma-separated data (CSV). Paste your data from a spreadsheet to instantly create clean <table>, <tr>, and <td> code.
Quickly look up the meaning of any HTTP status code. Get an instant explanation for codes like 200, 301, 404, and 500 to debug your website or API.
Quickly find the dimensions of any image. Upload your image file to instantly view its width and height in pixels, plus its file type and size.
Quickly convert your images to different formats like JPG, PNG, WEBP, or BMP. This free, client-side utility is perfect for all your image conversion needs.
Convert any image file (JPG, PNG, GIF, etc.) into a Base64 data URI string. Ideal for embedding images directly into CSS, HTML, or other code files.
Convert your JPG, PNG, and other images to the next-gen WebP format for superior compression and quality. Improve your website's performance.
A basic online JavaScript minifier to reduce file size by removing comments and extra line breaks. A simple tool for quick script optimization.
Convert your JSON array of objects into a CSV file. This online utility transforms structured JSON data into a downloadable, spreadsheet-friendly CSV format.
Validate, format, and beautify your JSON data instantly. Our online utility helps you find syntax errors and makes your JSON code readable and easy to debug.
Decode a JSON Web Token (JWT) to view its contents. This client-side tool quickly shows you the header and payload of a JWT for easy debugging.
Quickly remove all line breaks from your text. This utility joins all lines into a single line, with the option to replace the line breaks with a custom separator.
Generate customizable Lorem Ipsum placeholder text for your design mockups. Choose the number of paragraphs you need for your web design or layout.
Generate beautiful, random placeholder images from Lorem Picsum. Specify dimensions and apply effects like grayscale or blur for your design mockups.
Create custom `mailto:` links for your website. This generator lets you add recipients (To, CC, BCC), a subject line, and a default message body.
Generate an MD5 hash from any string. This online utility is useful for creating checksums to verify file integrity, though not recommended for security.
Generate essential meta tags, Open Graph tags, and Twitter Card tags for your website to improve SEO and social media sharing.
Find the correct MIME type for any file extension. Our quick lookup utility helps web developers correctly configure server headers and content types.
Quickly create a `db.json` file for your mock API. Define your data structure and generate fake JSON data for prototyping with tools like JSON Server.
Convert numbers between different bases, including binary, octal, decimal, and hexadecimal. A must-have utility for programmers and computer science students.
Create a custom Open Graph (og:image) for your articles and pages. This tool generates a 1200x630px image perfect for social media sharing.
Check the strength of your password with our online tester. Get an instant score and visual feedback on your password's security and complexity.
Quickly generate placeholder images for your design mockups and wireframes. Specify dimensions and custom text to create the exact dummy image you need.
Convert Internationalized Domain Names (IDNs) with Unicode characters to and from the Punycode ASCII format used by the DNS.
Easily convert pixel (px) values to relative CSS units like rem and em. A simple tool for web developers creating responsive and accessible designs.
Create custom QR codes online for free. Generate QR codes for URLs, text messages, Wi-Fi access, and more. Simple, fast, and ready to use.
Generate a truly random number within a specified range (min and max). This tool uses cryptographically secure methods for a less predictable result.
Estimate the reading time for any piece of text. This tool calculates how long an article or blog post will take to read based on an average words-per-minute (WPM) speed.
Test and debug your regular expressions (Regex) in real-time. This tool helps you validate patterns, find matches, and view capture groups.
Quickly generate CSS media query boilerplate for common device breakpoints. Create both mobile-first (min-width) and desktop-first (max-width) queries.
Instantly detect your screen resolution, browser viewport size, and device pixel ratio. A simple tool for web designers and developers testing responsive designs.
Generate a secure SHA-256 hash from any text string. Our online utility uses the Web Crypto API for reliable checksums, data integrity checks, and more.
Create a SHA-512 hash from any text with our secure online generator. Ideal for high-security applications requiring a longer, more complex checksum.
Make minified or compressed CSS code readable again. Our Simple CSS Beautifier adds proper indentation and line breaks to format your stylesheets for easy debugging.
Reduce the file size of your JPG, PNG, and WEBP images with our client-side compressor. Adjust the quality to find the perfect balance for web performance.
Make your SQL queries readable with our simple formatter. This tool beautifies your SQL code by adding line breaks and indentation for major clauses.
Generate Subresource Integrity (SRI) hashes (sha256, sha384, sha512) for your external scripts and stylesheets to prevent malicious file modifications.
Generate strong, secure, and random passwords with our customizable utility. Choose length, numbers, symbols, and case to create highly secure passwords.
Reduce the file size of your SVG images by removing unnecessary data. Our online SVG optimizer cleans your vector files for better web performance.
Generate custom SVG shapes like organic blobs, stars, and polygons. Customize the appearance and get the SVG code for your icons or backgrounds.
Organize your lists by sorting text lines alphabetically (A-Z, Z-A) or numerically (ascending, descending). A simple utility for data cleanup and organization.
Easily convert plain text (ASCII/UTF-8) into binary code. This tool encodes each character into its 8-bit binary representation.
Convert written text into spoken audio with this free online Text to Speech (TTS) utility. Choose from various voices available in your browser to read text aloud.
Easily convert times between different world time zones. Select a date and time to find out what time it will be in another city or country.
Convert Unix timestamps to human-readable dates and vice versa. A quick and easy tool for developers working with server logs, APIs, and databases.
Encode or decode strings for safe use in URLs. This tool handles percent-encoding for special characters, making your data URL-safe.
Break down any URL into its individual components. This tool parses a URL to show its protocol, hostname, path, query parameters, and hash.
Create clean, SEO-friendly URL slugs from any string. This utility converts your text into a web-safe format, perfect for permalinks and pretty URLs.
Quickly find and display your browser's User Agent string. This tool helps you identify your browser, version, and operating system as seen by websites.
Generate cryptographically strong Version 4 UUIDs (Universally Unique Identifiers) instantly. A simple, one-click tool for developers.
Convert modern WebP images back to the universally supported PNG format. A simple, client-side tool for image format conversion.
Clean up your text by removing leading/trailing whitespace from each line and collapsing multiple spaces into a single space. Ideal for formatting and data cleanup.
Analyze your text to find the most frequently used words. This utility counts the occurrences of each word, perfect for SEO and content analysis.
Find your public IP address and get basic geolocation information, including your city, country, and ISP. A quick tool for checking your network identity.
Create a YouTube link that starts at a specific time. Enter a YouTube URL, set the minutes and seconds, and generate a timestamped link to share.
