Free browser-based utilities that streamline coding tasks with instant text processing, data conversion, and validation capabilities.
CSS Flexbox Generator (Visual) Design Flexbox layouts visually and copy production-ready CSS. Tweak direction, alignment, wrapping, gap, and per-item overrides while a live preview updates instantly. No guessing, no Chrome DevTools round-trips — just pick the container behaviour you need, watch it render, and grab the generated rules. How to Use Pick a flex-direction (row, ...
Try the Tool »JWT Encoder / Builder Build signed JSON Web Tokens directly in your browser. Drop in a header and payload, pick an HMAC algorithm, supply the shared secret, and copy a ready-to-use token for API testing, debugging, or local development. All signing happens with the SubtleCrypto Web API, so your secret and claims never leave the ...
Try the Tool »CUID2 Generator Generate cryptographically secure CUID2 IDs entirely in your browser. CUID2 is a modern, collision-resistant identifier format that combines a high-entropy random salt, monotonic counter, timestamp, and browser fingerprint, then runs the result through SHA3-512 to produce a base36 string. Every ID starts with a letter, so values stay safe to use in databases, ...
Try the Tool »README Badge Generator The README Badge Generator builds pixel-perfect Shields.io-style badges directly in your browser. Pick a preset or craft your own label and message, choose colors and a style (flat, flat-square, for-the-badge, or plastic), and get copy-ready Markdown, HTML, SVG, and data URL output. No external API calls, no network dependency, no broken badges ...
Try the Tool »Identicon / Avatar Generator Turn any string — a username, email, user ID, or wallet address — into a unique visual avatar. The Identicon / Avatar Generator hashes the input deterministically, so the same text always renders the exact same image. No upload, no account, no server round-trip: the avatar is drawn entirely in your ...
Try the Tool »PWA Web App Manifest Generator Build a valid manifest.json file for your Progressive Web App in seconds. Fill in your app’s identity, choose a display mode, pick the icon sizes you ship, and the generator produces clean JSON you can drop straight into your project — plus the matching <link rel="manifest"> tag for your HTML. ...
Try the Tool »SSH Config File Generator Build a clean, syntactically correct ~/.ssh/config without memorizing directive names or hunting down options in the ssh_config man page. Add each SSH host with a visual form, pick presets for common services like GitHub, AWS EC2, or bastion jump hosts, and copy or download the finished config in one click. How ...
Try the Tool ».htaccess Rule Generator Generate ready-to-use .htaccess rules for Apache web servers without memorizing complex directive syntax. Choose from common presets like HTTPS redirection, GZIP compression, browser caching, IP blocking, and more — or build custom rewrite rules from scratch. How to Use Select a preset from the dropdown to quickly add common rule blocks, or ...
Try the Tool »Fake Email Address Generator Generate realistic-looking fake email addresses for testing, development, and prototyping. This tool creates syntactically valid email addresses using common name patterns and popular domain names, perfect for populating test databases, demo environments, or form testing without using real email addresses. How to Use Select your preferred email format from the dropdown, ...
Try the Tool »CSS Keyframe Animation Generator Create CSS @keyframes animations visually with a live preview. Choose from 10 popular presets like bounce, shake, pulse, fade in, slide in, spin, swing, rubber band, flash, and wobble — or build your own custom keyframe animation from scratch. Adjust timing, easing, iteration count, direction, and fill mode, then copy the ...
Try the Tool »Date Countdown Calculator The Date Countdown Calculator lets you create a real-time countdown to any future date or event. Watch the days, hours, minutes, and seconds tick away live on screen. You can also see how much time has passed since a past event, count only working days (excluding weekends), and share your countdown with ...
Try the Tool »DNS Zone File Generator The DNS Zone File Generator creates properly formatted BIND-compatible zone files for your domains. Instead of manually writing zone files with strict RFC 1035 syntax, this tool provides a visual interface to configure SOA records, add DNS records of any type, and generate a complete zone file ready for deployment. How ...
Try the Tool »CSS Specificity Calculator The CSS Specificity Calculator helps you determine the exact specificity score of any CSS selector. Understanding specificity is crucial for debugging CSS conflicts and writing maintainable stylesheets. Enter one or more selectors and instantly see their (a,b,c) scores compared side by side. How to Use Enter one CSS selector per line in ...
Try the Tool »Working Hours & Overtime Calculator Track your daily work hours, calculate overtime, and estimate gross pay with this free online timesheet calculator. Whether you are a freelancer, shift worker, or manager reviewing timesheets, this tool handles break deductions, configurable overtime thresholds, and multiple overtime multipliers so you get accurate results every time. How to Use ...
Try the Tool »Resistor Color Code Calculator Quickly decode resistor color bands to find resistance values, or enter a resistance value to find the correct color band combination. This calculator supports both 4-band and 5-band resistors and displays an interactive visual diagram with real-time results. How to Use Select whether you have a 4-band or 5-band resistor from ...
Try the Tool »Electricity Cost Calculator Quickly estimate how much electricity any device or appliance costs you per day, week, month, and year. Enter the wattage, usage hours, and your electricity rate to get instant cost breakdowns and CO₂ emission estimates. How to Use Enter your device wattage in watts (check the label on your appliance or its ...
Try the Tool »Reading Time Calculator Quickly estimate how long it will take to read any text, whether silently or aloud. This free online reading time calculator analyzes your text and provides accurate time estimates based on adjustable words-per-minute (WPM) speeds, along with word and character counts. How to Use Paste your text into the input area or ...
Try the Tool »Username Generator Generate creative username ideas from keywords, names, or interests for any platform. Choose a style (Cool, Funny, Professional, Aesthetic, Gaming, Dark, Cute, Retro, Minimal), select your target platform, and get 30+ unique username suggestions with platform-specific formatting rules. Save favorites, check availability, and analyze usernames for readability and memorability. How to Use Enter ...
Try the Tool »Product Review Generator Generate realistic placeholder product reviews for design mockups, UI testing, and development. Configure product category, rating distribution, review length, and reviewer personality types. Get formatted reviews with star ratings, reviewer names, dates, verified purchase badges, and helpful vote counts — exportable as plain text, JSON, CSV, HTML, or Markdown. How to Use ...
Try the Tool »IPv4 Range Expander The IPv4 Range Expander takes a CIDR notation range (like 192.168.1.0/24) and expands it into a complete list of every individual IP address in that range. This is useful for network administrators, security professionals, and anyone who needs a full enumeration of IPs within a subnet for firewall rules, access control lists, ...
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Scoreboard is a fun way to keep track of your games, all data is stored in your browser. More features are coming soon!
Update: Our latest tool was added on Jun 15, 2026
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