Enhance your productivity with our handy online utility tools. Simplify your tasks and streamline your workflow efficiently.
HTTP Header Analyzer Paste any HTTP request or response headers for instant analysis. Categorizes headers by type, explains each header’s purpose, validates CORS and caching configurations, flags deprecated headers, and provides performance optimization suggestions. How to Use Paste HTTP headers (key: value format, one per line) into the input field. The tool automatically parses, categorizes, ...
Try the Tool »File Hash Calculator Calculate MD5, SHA-1, SHA-256, SHA-512, and SHA-3 checksums for any file — entirely in your browser. Verify file integrity by comparing hashes, process multiple files in batch mode, and handle files up to 2GB with chunked streaming. How to Use Drag and drop a file (or click to browse), select which hash ...
Try the Tool »Git Conflict Marker Remover Resolve git merge conflicts quickly without an IDE. Paste code with conflict markers, choose which version to keep for each conflict, and get clean output — ready to commit. How to Use Paste your file containing git conflict markers (>). The tool detects and highlights each conflict. For each one, choose ...
Try the Tool »TCP/UDP Port Lookup Look up TCP and UDP port numbers to find their associated service names, or search by service name to discover which ports they use. Powered by the official IANA Service Name and Transport Protocol Port Number Registry. How to Use Enter a port number (1-65535) or service name in the search field. ...
Try the Tool »Webhook Payload Inspector Paste any webhook payload to instantly parse, pretty-print, and inspect its structure. Supports JSON, XML, and URL-encoded form data with automatic format detection, HMAC signature validation, and example payloads from popular providers. How to Use Paste your webhook payload into the input field. The tool auto-detects the format and displays a formatted, ...
Try the Tool »ASN.1 Parser Decode and inspect ASN.1 (Abstract Syntax Notation One) encoded data used in X.509 certificates, PKCS structures, and cryptographic protocols. Paste hex, base64, or PEM-encoded data and instantly see the full parsed structure. How to Use 1. Paste your ASN.1 data in hex, base64, or PEM format into the input field. 2. The parser ...
Try the Tool »Gzip / Zlib / Deflate Tester Compress and decompress data using gzip, zlib, and raw deflate formats directly in your browser. Test compression output, verify data integrity, and measure size savings — all client-side with no data leaving your machine. How to Use 1. Choose your mode: Compress or Decompress. 2. For compression: paste text ...
Try the Tool »File Extension Lookup Instantly identify any file type by its extension. Search a database of 500+ file extensions to find descriptions, MIME types, and which programs open them on Windows, macOS, and Linux. How to Use Type a file extension (like .docx or .mp4), a MIME type, or a keyword (like “video” or “image”) into ...
Try the Tool »Character Encoding Detector Detect the character encoding of any text or file, convert between encodings, and fix mojibake — all client-side. Supports UTF-8, UTF-16, ISO-8859, Windows codepages, Shift_JIS, EUC-JP, GBK, Big5, KOI8-R, and more. How to Use Paste text or upload a file to detect its encoding. The tool analyzes byte patterns and displays possible ...
Try the Tool »Webhook Signature Validator Validate and generate HMAC-based webhook signatures directly in your browser. Verify that incoming webhook payloads are authentic by checking their cryptographic signatures, or generate signatures for testing your webhook endpoints. How to Use Validate mode: Paste the webhook payload body, enter your secret key, paste the received signature, and select the algorithm. ...
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 »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 »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 »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 »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 »Test Your Clicking Speed Measure how fast you can click with this CPS (Clicks Per Second) test. Challenge yourself to beat your best score and compete with friends! How to Use Set your preferred test duration (1-60 seconds), click the Start button, then click or tap as fast as you can in the clicking area. ...
Try the Tool »Instantly parse any user agent string with the User Agent Parser tool. Identify browser, version, engine, and OS details accurately in one click. Free, fast, and client-side secure.
Try the Tool »Detect JavaScript keycodes, key values, and modifiers instantly. Find keyCode, code, location properties for any pressed key in real-time.
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 May 1, 2026
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