Guides, tips, and tutorials for all 110+ free online tools
Need to know your exact age down to the day? The Toolzie Age Calculator gives you a precise breakdown of your age in years, months, days, hours, and...
Read More →The Toolzie AI Agent is a conversational assistant that can help you brainstorm, answer questions, draft text, and solve problems across a wide range...
Read More →Shopping for a car? The Auto Loan Calculator helps you understand the true cost of financing by showing monthly payments, total interest, and a...
Read More →Whether you need barcodes for inventory, products, or shipping labels, the Toolzie Barcode Generator creates them in seconds with multiple format...
Read More →Base64 encoding is essential for embedding data in URLs, emails, and code. This tool lets you encode or decode Base64 strings with a single click.
Read More →Converting between binary, decimal, hexadecimal, and octal is a common task for programmers and students. This converter handles all four systems...
Read More →The BMI Calculator provides a quick health snapshot by computing your Body Mass Index from your height and weight, with clear category labels.
Read More →Take a break and play Brick Breaker, the classic arcade game where you bounce a ball off a paddle to destroy rows of colorful bricks.
Read More →The Toolzie Calculator offers both standard and scientific modes in a clean interface, perfect for quick math or complex equations.
Read More →Need to change text from uppercase to title case, or convert camelCase to snake_case? The Case Converter handles all common text transformations.
Read More →Working with special characters, symbols, or Unicode? The Character Code Finder instantly shows you the Unicode code point, HTML entity, and other...
Read More →The Toolzie Code Editor gives you a fully-featured coding environment in your browser with syntax highlighting, auto-indentation, and live preview.
Read More →Need to flip a coin or roll some dice? This tool provides fair, random results with satisfying animations for decision-making and games.
Read More →Switching between color formats is a daily task for designers and developers. The Color Converter translates between HEX, RGB, HSL, and other formats...
Read More →Create harmonious color palettes using color theory. The generator produces complementary, analogous, triadic, and other palette types from any base...
Read More →Upload any image and click to pick exact colors from it. The tool displays HEX, RGB, and HSL values for every pixel you select.
Read More →See how compound interest works over time with this visual calculator. Enter your principal, rate, and timeframe to project your investment growth.
Read More →Stop memorizing cron syntax. The visual Cron Expression Builder lets you create and validate cron schedules by clicking through an intuitive...
Read More →Create pixel-perfect CSS box shadows using visual sliders instead of guessing values. Preview the result in real time and copy the CSS code.
Read More →Build beautiful CSS linear gradients with a visual editor. Add color stops, adjust angles, and copy production-ready CSS code instantly.
Read More →Stop guessing CSS unit conversions. This tool instantly converts between px, rem, em, vw, vh, percent and other CSS units with a configurable base...
Read More →Need to convert a CSV spreadsheet into JSON for an API, or turn JSON data into a CSV for Excel? This converter handles both directions in seconds.
Read More →How many days between two dates? What date is 90 days from now? The Date Calculator answers both questions and more with precise results.
Read More →Shopping a sale? The Discount Calculator shows you the final price after any percentage or dollar discount, plus how much you save.
Read More →Looking for the perfect domain name? The Domain Checker lets you search availability and view WHOIS information for any domain.
Read More →A simple, browser-based drawing pad with brushes, colors, and an eraser. Perfect for quick sketches, diagrams, or creative doodling.
Read More →Find the perfect emoji by browsing organized categories or searching by name. Click to copy any emoji to your clipboard.
Read More →Need sample data for testing? Generate realistic fake names, emails, addresses, phone numbers, and more with a single click.
Read More →Generate favicons from any image or create text-based icons. Download in all the sizes you need for browsers, bookmarks, and app icons.
Read More →Test your reflexes with this browser-based Flappy Bird clone. Tap or click to keep your bird flying through the gaps in the pipes.
Read More →Track your daily habits, build streaks, and visualize your consistency over time. The Habit Tracker makes it easy to stay accountable.
Read More →Generate cryptographic hashes from any text string instantly. Supports MD5, SHA-1, SHA-256, and SHA-512 algorithms right in your browser.
Read More →Encode special characters to HTML entities or decode them back to readable text. Essential for safely embedding content in HTML pages.
Read More →Create HTML tables with custom rows, columns, and styles using a visual interface. No coding required to build professional-looking data tables.
Read More →View the HTTP response headers returned by any website. Useful for debugging caching, security headers, and server configuration.
Read More →Compress your images to smaller file sizes while maintaining visual quality. Perfect for speeding up websites and reducing storage costs.
Read More →Convert images between formats instantly. Switch between PNG, JPEG, WebP, GIF, and BMP right in your browser with no upload required.
Read More →Resize images to exact pixel dimensions or crop to specific aspect ratios. Essential for social media, web design, and print preparation.
Read More →Convert any image to a Base64 encoded string that you can embed directly in HTML, CSS, or JavaScript without a separate image file.
Read More →Add custom text watermarks to your images to protect your work. Adjust position, size, opacity, and color for the perfect watermark.
Read More →Create clean, professional invoices with line items, tax calculations, and PDF export. Perfect for freelancers and small businesses.
Read More →Edit JSON data with syntax highlighting, auto-formatting, validation, and minification. A must-have tool for any developer working with APIs.
Read More →Paste any JSON object and get TypeScript interfaces generated automatically. Save hours of manual type definition writing.
Read More →Minify JavaScript and CSS code to reduce file sizes and improve page load performance. Removes whitespace, comments, and unnecessary characters.
Read More →Decode JSON Web Tokens to inspect their header, payload, and expiration without any secret key. Essential for debugging authentication flows.
Read More →Calculate monthly loan payments, total interest costs, and view a complete amortization schedule for any type of loan.
Read More →Generate lorem ipsum placeholder text in paragraphs, sentences, or words. Perfect for mockups, wireframes, and layout testing.
Read More →Calculate your ideal daily intake of protein, carbohydrates, and fats based on your body stats, activity level, and fitness goals.
Read More →Generate embeddable map code for any address or location. Perfect for contact pages, event listings, and business directories.
Read More →Write Markdown with live preview side by side. See your formatted output update instantly as you type, with full syntax support.
Read More →Challenge your memory by finding matching pairs of cards. Flip two at a time, remember their positions, and try to clear the board.
Read More →Generate proper meta tags for your website including title, description, Open Graph, and Twitter Card tags for maximum SEO impact.
Read More →Translate text to Morse code dots and dashes or decode Morse code back to readable text. Includes audio playback of the Morse signals.
Read More →Calculate your monthly mortgage payment and see a full amortization breakdown showing principal, interest, taxes, and insurance over the life of the...
Read More →Convert multiple images between formats at once. Drop a batch of files, select the target format, and download them all in one click.
Read More →Play the classic Pac-Man arcade game in your browser. Navigate the maze, eat all the dots, grab power pellets, and chase down ghosts.
Read More →Generate cryptographically strong passwords with customizable length, character types, and complexity settings. Never use a weak password again.
Read More →Test any password to see how strong it is. Get a strength score, estimated crack time, and specific suggestions for improvement.
Read More →Fill out PDF forms directly in your browser without printing or scanning. Add text, checkmarks, and signatures, then download the completed form.
Read More →Merge two or more PDF files into a single document. Drag to reorder pages and download the combined PDF in seconds.
Read More →Extract specific pages from a PDF document into a new file. Select individual pages or ranges to create a smaller, focused document.
Read More →Add professional page numbers to any PDF document. Choose position, format, font size, and starting number.
Read More →Remove specific pages from a PDF file without affecting the rest of the document. Perfect for removing blank pages, cover sheets, or irrelevant...
Read More →Rotate PDF pages individually or all at once. Fix upside-down scans, landscape pages in portrait documents, and other orientation issues.
Read More →Split a PDF into multiple files by page ranges, individual pages, or at regular intervals. Perfect for breaking large documents into manageable...
Read More →Convert PDF pages to high-quality PNG or JPEG images. Perfect for sharing, embedding in presentations, or posting on social media.
Read More →Calculate percentages, find percent of a number, determine percentage change, and solve for missing values in percentage equations.
Read More →Generate placeholder images with custom dimensions, colors, and text. Ideal for web development mockups and layout testing.
Read More →Use the Pomodoro technique to work in focused 25-minute sessions with short breaks. Stay productive and avoid burnout throughout the day.
Read More →Play the game that started it all. Control your paddle and compete against the computer in this faithful recreation of the original Pong.
Read More →Generate QR codes instantly for URLs, plain text, WiFi credentials, contact cards, and more. Customize colors and download in high resolution.
Read More →Need to pick a random winner, choose a random name, or select random items from any list? This tool makes fair, unbiased selections.
Read More →Generate random numbers within any range you specify. Perfect for games, sampling, statistics, and decision-making.
Read More →Paste any text to find out how long it takes to read at average speed. Great for blog posts, articles, presentations, and study materials.
Read More →Test regular expressions against sample text in real time. See matches highlighted, capture groups extracted, and get explanations of your pattern.
Read More →View all remarketing tags, tracking pixels, and analytics scripts running on any website. Understand what is tracking you.
Read More →Paste text with duplicate lines and get a clean, deduplicated version in one click. Keep the first occurrence or remove all duplicates entirely.
Read More →Convert Arabic numbers to Roman numerals and Roman numerals back to standard numbers. Supports values from 1 to 3,999.
Read More →Convert your salary between annual, monthly, biweekly, weekly, daily, and hourly rates. Compare job offers by putting them on equal terms.
Read More →Instantly detect your screen resolution, viewport size, device pixel ratio, and color depth. Essential information for web development and display...
Read More →Convert any text into a clean, URL-friendly slug. Removes special characters, converts spaces to hyphens, and lowercases everything.
Read More →Play the iconic Snake game right in your browser. Eat food, grow longer, and try not to crash into your own tail.
Read More →Sort lines of text alphabetically, numerically, by length, or in reverse order. Clean and organize lists, data, and text in seconds.
Read More →Battle descending alien invaders in this classic arcade shooter. Move, aim, and fire to clear each wave before they reach the ground.
Read More →A browser-based SQL editor where you can write, run, and test SQL queries against sample databases. Perfect for learning and prototyping.
Read More →Format messy SQL queries into clean, readable, properly indented code. Supports SELECT, INSERT, UPDATE, DELETE, and CREATE statements.
Read More →A precision online stopwatch with lap time recording, split times, and millisecond accuracy. Perfect for timing anything.
Read More →Generate ultra-lightweight SVG placeholder images that are just a few bytes. Perfect for low-bandwidth placeholders and layout skeletons.
Read More →Play the legendary puzzle game Tetris right in your browser. Rotate and place falling blocks to complete horizontal lines.
Read More →Compare two texts side by side and see every difference highlighted. Perfect for comparing code versions, document drafts, or configuration files.
Read More →Reverse text character by character, flip it upside down using Unicode, or mirror it. Fun for social media, puzzles, and creative projects.
Read More →Play Tic Tac Toe against the computer or challenge a friend. The timeless strategy game of Xs and Os, right in your browser.
Read More →Convert Unix timestamps to readable dates and dates to Unix timestamps. Essential for developers working with time-based data.
Read More →Convert any time between world time zones instantly. Schedule meetings, plan calls, and coordinate across global teams.
Read More →Calculate tips at any percentage, split the bill among any number of people, and see each person's total including their share of tax and tip.
Read More →Convert between units of length, weight, temperature, volume, and speed. Supports metric, imperial, and other measurement systems.
Read More →Encode special characters for safe use in URLs or decode percent-encoded strings back to readable text. Essential for web development.
Read More →Parse any URL into its individual components: protocol, host, port, path, query parameters, and fragment. Great for debugging and learning.
Read More →Generate clean URL slugs from any title or text. Creates readable, SEO-friendly URLs that improve both user experience and search rankings.
Read More →See your browser's user agent string, parsed browser name and version, operating system, and device type information.
Read More →Build UTM-tagged URLs for tracking marketing campaigns in Google Analytics. Set source, medium, campaign, term, and content parameters.
Read More →Generate version 4 UUIDs and GUIDs with a single click. Copy individual IDs or generate batches for databases, APIs, and testing.
Read More →Calculate VAT or sales tax on any amount. Add tax to a net price, extract tax from a gross price, or find the tax rate between two amounts.
Read More →Add text or image watermarks to PDF pages. Perfect for branding documents, marking drafts, or protecting intellectual property.
Read More →Check if any website is currently accessible. Get response status, load time, and server information to diagnose connection issues.
Read More →Instantly see your public IP address along with approximate geolocation, ISP information, and connection details.
Read More →Count words, characters (with and without spaces), sentences, paragraphs, and estimated reading time for any text.
Read More →See which words appear most often in your text. Analyze word frequency, filter by minimum occurrences, and export the results.
Read More →See the current time in cities around the world at a glance. Add cities to your personal clock board and track multiple time zones.
Read More →Format messy XML into clean, indented structure and validate it against proper XML syntax rules. Spot errors instantly.
Read More →Test how fast and accurately you can type with timed exercises. Track your words per minute, accuracy percentage, and improve over time.
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