CSS Border Radius Generator Visually design rounded corners for your CSS elements. Adjust each corner independently, use elliptical radii, pick from presets, and copy the CSS code — all with a live preview. How to Use Choose simple mode to set all corners at once, or switch to advanced mode for individual corner control. Enable ...
Try the Tool »Compound Interest Calculator Calculate how your investments grow over time with compound interest. See the power of compounding with different frequencies and optional regular contributions. How to Use Enter your initial principal amount, annual interest rate, and investment period. Choose a compounding frequency and optionally add monthly contributions. Results update automatically as you type. Features
Try the Tool »Image Placeholder Generator Create custom placeholder images for mockups, wireframes, and web design. Set any dimensions, choose colors, add text, and download instantly. How to Use Enter custom dimensions or pick a preset size (social media, web banners, device screens). Choose a background style — solid color, gradient, or pattern. Add custom text or use ...
Try the Tool »Image Metadata (EXIF) Viewer View, export, and strip EXIF metadata from your images — entirely in your browser. No uploads, no servers, complete privacy. How to Use Drop an image file onto the upload area or click to select one. The tool instantly parses and displays all embedded metadata organized into clear categories. View GPS ...
Try the Tool »IBAN Validator & Generator Validate, generate, and format International Bank Account Numbers (IBANs) using the ISO 13616 standard. Supports 80+ countries with per-country validation rules. How to Use Choose a mode: Validate to check an existing IBAN, Generate to create a valid IBAN from country, bank code, and account number, or Bulk Validate to check ...
Try the Tool »Split Bills & Calculate Tips Instantly Dining out with friends or splitting expenses with roommates? The Split Bill Calculator makes it easy to divide any bill evenly, add tips, apply discounts, and see exactly what each person owes — all in real time. How to Use Enter the bill amount and number of people splitting ...
Try the Tool »Analyze Your Text Readability Check how easy or difficult your text is to read using six established readability formulas. Paste any text — articles, blog posts, emails, or documents — and get instant scores with grade level interpretations. How to Use Paste or type your text into the input area and click Calculate. The tool ...
Try the Tool »Test Your Typing Speed Measure your typing speed in Words Per Minute (WPM) with this interactive typing speed test. Choose your difficulty level, start the timer, and type the displayed text as quickly and accurately as you can. How to Use Select your preferred test duration (30, 60, or 120 seconds) and difficulty level (easy, ...
Try the Tool »WCAG Contrast Checker Check color contrast ratios for web accessibility compliance. Verify your text and background color combinations meet WCAG AA and AAA standards to ensure your content is readable for all users, including those with visual impairments. How to Use Enter a foreground (text) color and a background color using the color pickers or ...
Try the Tool »Look Up DNS Records for Any Domain Query DNS records for any domain name including A, AAAA, MX, NS, TXT, CNAME, and SOA records. Essential for network administrators, developers, and anyone troubleshooting domain configurations. How to Use Enter a domain name (e.g., example.com) and select the record type you want to query. Click Lookup to ...
Try the Tool »Convert Unix Timestamps to Human-Readable Dates Easily convert between Unix timestamps (epoch time) and human-readable date formats. A must-have tool for developers working with APIs, databases, or log files. How to Use Enter a Unix timestamp to see it converted to various date formats, or use the date picker to get the Unix timestamp for ...
Try the Tool »Calculate String Length and Character Stats Get detailed character statistics for any text including total length, byte size, word count, and more. Perfect for developers checking string limits, writers tracking length, or anyone analyzing text. How to Use Enter or paste your text into the input area. All statistics update instantly as you type. Click ...
Try the Tool »Format and Beautify SQL Queries Clean up messy SQL queries with proper indentation and formatting, or minify them for production use. An essential tool for database developers and anyone working with SQL. How to Use Paste your SQL query into the input area. Choose your preferred indentation style (2 spaces, 4 spaces, or tabs) and ...
Try the Tool »Convert CSV Data to JSON Format Transform CSV (Comma-Separated Values) data into JSON format instantly. Ideal for developers, data analysts, and anyone who needs to convert spreadsheet data for APIs or applications. How to Use Paste your CSV data into the input area or upload a CSV file. Select your delimiter (comma, semicolon, or tab) ...
Try the Tool »Test and Debug Regular Expressions A powerful regex testing tool with live match highlighting, capture group support, and a library of common patterns. Essential for developers working with text parsing, validation, or search patterns. How to Use Enter your regex pattern in the pattern field, or select a common pattern from the dropdown. Paste your ...
Try the Tool »Compress Images Without Losing Quality Reduce image file sizes quickly and efficiently right in your browser. Perfect for optimizing images for websites, emails, or storage without sacrificing visual quality. How to Use Upload an image by dragging and dropping or clicking to browse. Adjust the quality slider to balance file size and image quality (higher ...
Try the Tool »Pick and Convert Colors Instantly An interactive color picker that lets you select any color visually and instantly get its value in HEX, RGB, and HSL formats. Perfect for designers, developers, and anyone working with colors. How to Use Click on the color picker to open the visual color selector and choose any color. Alternatively, ...
Try the Tool »What is Round Corners? Add rounded corners to any image online. Perfect for creating profile pictures, app icons, or softening image edges. Key Features Adjustable corner radius Radius in pixels or percentage Select individual corners to round Transparent PNG output How to Use Upload your image Adjust the corner radius slider Select which corners to ...
Try the Tool »What is an Image Cropper? Crop images online with precision. Select any area visually or enter exact coordinates to crop your images perfectly. Key Features Visual drag-to-crop interface Precise coordinate input (X, Y, Width, Height) Lock aspect ratio option Download cropped image as PNG How to Use Upload your image Drag to select crop area ...
Try the Tool »What is an Email Extractor? Extract all email addresses from any text instantly. Perfect for collecting contact information from documents, web pages, or any text content. Key Features Extract all valid email addresses from text Automatic deduplication Alphabetically sorted results Copy or download the list How to Use Paste your text containing emails View extracted ...
Try the Tool »Add IO tools to your favorite browser for instant access and faster searching
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 Mar 23, 2026
Help us continue providing valuable free tools
