Developer Tools

Easily convert CSV tabular data into structured JSON objects or arrays with automatic header detection and type parsing.

Compare two JSON payloads side by side with visual difference highlighting for added, removed, and modified properties.

Format, prettify, validate, and minify JSON directly in your browser with instant syntax validation and zero data transmission.

Remove all unnecessary whitespaces, line breaks, and indentation from JSON data to produce ultra-compact payloads.

Validate JSON payloads against JSON Schema specifications with instant error highlighting and compliance reports.

Transform JSON object arrays into standard CSV and TSV formats with nested key flattening and UTF-8 BOM download options.

Convert structured JSON payloads into clean, readable TOML format for Rust, Python, and modern software configurations.

Convert structured JSON data into clean, compliant XML documents with custom root tags, attributes, and indentation.

Convert JSON payloads into clean, indented YAML for Kubernetes manifests, Docker Compose, and CI/CD pipeline configs.

Interactively explore, collapse, search, and inspect complex JSON data with visual tree hierarchies and syntax highlighting.

Parse and convert TOML configuration documents into standard JSON format with accurate type and date representation.

Transform TOML configurations into beautifully formatted YAML documents for easy DevOps and cross-platform configuration.

Format, beautify, and indent single-line or cluttered XML code with customizable indentation and syntax validation.

Transform XML markup into structured JSON format with smart attribute handling, array aggregation, and namespace stripping.

Convert YAML documents and configuration files into standard structured JSON with faithful type and list mapping.

Convert YAML configuration documents into clean, standard TOML format with automatic table and array mappings.

Interactively inspect, collapse, and validate YAML documents with hierarchical indentation guides and syntax diagnostics.

Encode or decode UTF-8 text to and from Base64 strings directly in your browser with instant local processing.

Convert any file (images, fonts, audio, PDF) into Base64 Data URI strings or decode Base64 back into downloadable binary files.

Encode and decode characters to HTML named and numeric entities (such as &, <, >) to prevent XSS and formatting bugs.

Convert text strings into 8-bit binary code (0 and 1) or decode binary representations back into plain readable text.

Convert text strings into hexadecimal representations and decode Hex values back into readable plaintext with custom delimiters.

Convert text and numbers into the official NATO phonetic radio alphabet (Alpha, Bravo, Charlie...) for clear phone communications.

Convert text characters into \uXXXX Unicode escape notation and decode Unicode escape sequences back into readable text.

Encode or decode URL query components and parameters with percent-encoding (%xx) directly in your browser without data transmission.

Encrypt and decrypt sensitive text messages using industry-standard AES (128/192/256-bit) cipher algorithms with custom passphrases.

Generate RFC-compliant HTTP Basic Authentication authorization header strings from usernames and passwords instantly.

Generate secure salted bcrypt password hashes with customizable cost rounds directly in your browser without network leaks.

Calculate cryptographic hash digests including MD5, SHA-1, SHA-256, and SHA-512 from any text string with instant output.

Generate HMAC-SHA256, HMAC-SHA512, and HMAC-MD5 keyed digests from input messages and secret keys for API authentication.

Instantly decode JSON Web Tokens (JWT) into readable Header, Payload, and Signature components with automated expiry checking.

Evaluate password complexity, entropy, dictionary vulnerabilities, and estimated brute-force crack time in real time.

Generate secure RSA public and private key pairs (1024, 2048, 4096 bits) with PEM formatting and PKCS#8 encoding in your browser.

Generate secure, cryptographically random passwords with custom lengths, uppercase/lowercase letters, digits, and symbols.

Create cryptographically strong API tokens, secret keys, bearer tokens, and session identifiers in hex, Base64, or alphanumeric format.

Calculate 6-digit or 8-digit time-based one-time password (TOTP) codes from shared secrets matching Google Authenticator.

Generate 26-character time-ordered, URL-friendly Universally Unique Lexicographically Sortable Identifiers (ULIDs) in bulk.

Generate cryptographically secure RFC 4122 Version 4 UUIDs (GUIDs) in bulk directly in your browser with formatting options.

Convert cURL command strings into readable HTTP client code for Python, JavaScript (fetch/axios), Go, PHP, Java, and C#.

Quickly look up meanings, specifications, causes, and troubleshooting fixes for 1xx, 2xx, 3xx, 4xx, and 5xx HTTP status codes.

Press any key on your keyboard to instantly inspect JavaScript event.key, event.code, event.keyCode, and modifier key states.

Visually generate standard HTML Title, Meta Description, Keywords, Open Graph, and Twitter Card tags ready to paste into your website header.

Quickly look up standardized HTTP Content-Type header strings and media types by searching file extensions or MIME names.

Generate high-resolution static QR codes for website URLs, plain text, and contact information with custom error correction levels.

Convert article titles and headlines into clean, lowercase, hyphen-separated SEO-friendly URL slugs instantly.

Deconstruct complex URLs into discrete RFC components: protocol, host, port, pathname, search query params, and hash fragments.

Parse User-Agent strings to accurately identify web browser name/version, operating system, layout engine, and mobile/desktop device type.

Generate scannable Wi-Fi QR codes with SSID, password, and security encryption (WPA/WPA2/WPA3) for instant camera-based network joining.

Turn highlighted source code into a polished PNG with themes, line numbers, and background controls.

Clean, normalize, and deduplicate email lists by stripping Gmail dots and subaddressing tags with client-side privacy.

Minify and compress HTML, CSS stylesheets, and JavaScript files to reduce payload size and speed up page load times.

Clean, format, and indent messy or minified JavaScript and TypeScript source code with custom spacing and quotes.

Transform GitHub Flavored Markdown (GFM) documents into clean, semantic HTML code with tables, task lists, and syntax highlighting.

Create clear diagrams for technical documents, reports, papers, and presentations, then export publication-ready SVG or high-resolution PNG.

Test, evaluate, and debug regular expressions in real time with syntax highlighting, flags, and match group inspections.

Format, beautify, and indent complex SQL queries locally in your browser with keyword capitalization and clean syntax layout.

Compare two texts, code snippets, or documents side-by-side with line-by-line and character diff highlighting locally in your browser.

Calculate Linux/Unix file permissions interactively and convert between octal values (e.g. 755, 644) and symbolic rwx notation.

Build standard 5-field cron schedule expressions interactively for Linux crontab, GitHub Actions, and cloud schedulers.

Transform single-line docker run commands into clean, standard docker-compose.yml configuration files instantly.

Interactively generate Git commands for branching, merging, rebasing, stashing, reverting commits, and remote repository workflows.

Inspect your screen resolution, device pixel ratio, operating system, GPU renderer, memory, and browser environment in real time.

Expand CIDR subnets (e.g. 192.168.1.0/24) and start-end IP ranges into complete lists of individual IP addresses.

Convert IPv4 addresses between dotted-decimal, 32-bit integer, hexadecimal, and binary formats with network class detection.

Calculate network address, broadcast address, usable host IP ranges, wildcard masks, and host counts from IP and CIDR prefix.

Generate standardized IPv6 Unique Local Address (ULA) /48 prefixes based on RFC 4193 specifications for private internal networks.

Generate random, valid 48-bit Ethernet MAC addresses in bulk with uppercase/lowercase and colon, hyphen, or dot delimiters.

Look up hardware manufacturers (Apple, Intel, Cisco, Huawei) by entering any Ethernet MAC address or 24-bit OUI prefix.

Generate random, safe dynamic and private network port numbers (49152-65535) for Docker container bindings and microservices.

Convert 10-digit (seconds) and 13-digit (milliseconds) Unix Epoch timestamps into human-readable date formats and vice versa.

Parse and format raw HTTP Cookie headers into organized key-value tables and JSON structures with URL decoding.

Test, evaluate, and debug CSS selectors against HTML markup with real-time node highlighting and matching count metrics.

Extract all hyperlink URLs, anchor texts, and target attributes from HTML source code with duplicate filtering and CSV export.

Extract HTML Title, Meta Description, Keywords, Robots directives, Canonical URLs, and Open Graph tags from page markup instantly.

Parse and format raw HTTP header strings into structured key-value tables and JSON with security and caching diagnostics.

Extract, format, and validate embedded JSON-LD structured data blocks from HTML markup for search engine rich snippet optimization.

Visually assemble standard HTTP request headers including Authorization, Content-Type, and User-Agent with instant export to cURL and JSON.

Visually generate standard robots.txt files with Disallow, Allow, Crawl-delay, and Sitemap directives for Googlebot, Bingbot, and Baidu.

Test and validate robots.txt rules against specific URL paths to confirm whether search engine bots are allowed or blocked.

Generate standardized sitemap.xml files from URL lists with changefreq, priority, and lastmod tags ready for Google Search Console.

Validate sitemap.xml files against official XML schemas and sitemaps.org protocols to detect formatting bugs and broken tags.

Clean bulk lists of web URLs by removing duplicates, stripping marketing tracking parameters, and filtering malformed links.

Normalize URLs according to RFC 3986 by lowercasing hostnames, stripping redundant slashes, removing default ports, and sorting query keys.

Extract and decode all query parameters from URLs into structured key-value tables and JSON format in real time.

Test and debug XPath queries against XML and HTML documents with real-time node highlighting and count metrics.