Free browser-based utilities that streamline coding tasks with instant text processing, data conversion, and validation capabilities.
Code Syntax Highlighter Paste code in any of 100+ programming languages and get instant, beautifully syntax-highlighted output. Choose from 20 popular themes, toggle line numbers, highlight specific lines, and export as embeddable HTML with inline CSS. How to Use Paste or type your code in the editor. Select the programming language (or use auto-detect) and ...
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 »Text to Speech Generator Convert any text to spoken audio using your browser’s built-in speech synthesis. Choose from dozens of voices and languages, adjust speed, pitch, and volume, and hear your text read aloud — all without uploading anything to a server. How to Use Type or paste your text, select a voice and language ...
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 »Network Mask Calculator Calculate subnet details from any IP address and CIDR notation or subnet mask. Get network address, broadcast address, usable IP range, wildcard mask, and binary representations — instantly in your browser. How to Use Enter an IP address with CIDR notation (e.g., 192.168.1.0/24) or a subnet mask. Results calculate in real time ...
Try the Tool »IPv6 Address Expander / Compressor Expand compressed IPv6 addresses to full 128-bit notation, or compress expanded addresses to their shortest valid form following RFC 5952 canonical rules. Validate, convert, and inspect IPv6 addresses — all client-side. How to Use Enter an IPv6 address in any format — compressed (2001:db8::1) or expanded. The tool instantly shows ...
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 »IEEE 754 Floating Point Converter Explore how computers represent decimal numbers in binary with this interactive IEEE 754 converter. Enter any decimal number and instantly see its binary representation broken down into sign, exponent, and mantissa components. How to Use 1. Enter a decimal number in the input field (e.g., 3.14, -0.1, 255). 2. Select ...
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 »CBOR Encoder / Decoder Encode JSON to CBOR and decode CBOR back to JSON — fully client-side. CBOR (Concise Binary Object Representation) is a compact binary data format defined in RFC 8949, widely used in IoT, WebAuthn, and COSE protocols. How to Use Switch between Decode and Encode modes. To decode, paste CBOR data as ...
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 »Bech32 Address Encoder/Decoder Encode, decode, and validate Bitcoin SegWit addresses using the Bech32 (BIP 173) and Bech32m (BIP 350) specifications. Instantly verify checksums, identify address types (P2WPKH, P2WSH, P2TR), and convert between hex witness programs and human-readable addresses. How to Use Decode: Paste a Bitcoin SegWit address to see its human-readable part, witness version, witness ...
Try the Tool »MessagePack to JSON Converter Convert between MessagePack binary format and JSON instantly in your browser. Decode MessagePack hex or Base64 strings into readable JSON, or encode JSON data into compact MessagePack format. How to Use Decode: Select Decode mode, choose your input format (Hex or Base64), paste your MessagePack data, and get pretty-printed JSON output ...
Try the Tool »Data URI Scheme Generator Convert files and text into RFC 2397 Data URIs directly in your browser. Upload any file or paste text content to generate a complete data URI with the correct MIME type, ready to embed in HTML, CSS, or JavaScript. How to Use File mode: Upload or drag-and-drop any file (images, fonts, ...
Try the Tool »CSP Generator & Evaluator Build and validate Content Security Policy headers with a visual interface. Generate CSP headers by selecting directives and source values, or evaluate existing policies by pasting them for syntax validation and security analysis. How to Use Generate mode: Select a preset (Strict, Moderate, or Permissive) or customize individual directives like default-src, ...
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 »Webhook Signature Validator Validate and generate HMAC webhook signatures for secure API integrations. Verify that incoming webhooks from Stripe, GitHub, Shopify, and other providers are authentic by validating their cryptographic signatures, or generate signatures for testing your own webhook endpoints. How to Use Validate mode: Paste your webhook payload, secret key, and the signature you ...
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