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86 tools
Reports details about the current browser and device, including user agent, screen size, language, hardware, and capability flags. Developers use this tool to gather comprehensive information about their users' environments, ensuring compatibility across different devices and browsers for web applications.
Generates Base64-encoded strings for HTTP Basic Authentication headers based on provided username and password inputs. User simply enters credentials, and the tool outputs the corresponding Base64 string. Developers, IT professionals, and anyone needing to create or verify HTTP Basic Auth headers for web applications or APIs would find this useful. It simplifies the process of creating authentication strings manually, reducing the chance of errors in encoding.
Generates Open Graph and Twitter Card meta tags automatically from provided title, description, and image URL for optimal social media link previews. Simply enter the details and it creates the necessary meta code to enhance how your webpage appears when shared on platforms like Facebook and Twitter. Developers, content creators, and anyone managing online presence would find this tool invaluable. It saves time manually coding meta tags while ensuring consistent visual representation across shared links, improving engagement and reach on social networks.
Generates TOTP and HOTP one-time passwords using a shared secret, validating submitted codes for testing two-factor authentication flows. Developers and security professionals use this tool to test their two-factor authentication (2FA) implementations by generating and verifying one-time passwords.
Looks up MIME types for file extensions and vice versa using the IANA registry, aiding developers in setting correct content types for web files. Developers, designers, and system administrators use it to ensure proper data handling and delivery across various applications and platforms.
Decodes JWTs into their constituent parts, displaying headers, payloads, and signatures in readable formats, with claim names and expiry times clearly shown. Useful for developers to validate and analyze JSON Web Tokens for authentication and data exchange. Developers, security analysts, and anyone working with JWTs will find this tool invaluable for debugging issues related to token validation, verifying user sessions, and ensuring secure API communications.
Keycode Info reports JavaScript keyCode, code, location, and modifier flags for any key press, aiding developers in building keyboard-driven UIs. Users can easily access detailed information about key presses by simply clicking on a button and pressing the desired key. This tool is particularly useful for web developers working on interactive applications or custom keyboard navigation systems. This tool helps users quickly identify and understand keyboard events in JavaScript, facilitating the development of responsive and user-friendly web interfaces.
Converts arbitrary text into a URL-safe slug — lowercase, hyphen-separated, with diacritics and special characters stripped. Ideal for creating clean URLs from titles or phrases. Developers, content creators, and marketers use this tool to ensure their website URLs are readable, SEO-friendly, and free of errors. By automating the process of slug creation, it saves time and reduces the risk of typos in URL construction.
Creates clean HTML output through its rich-text editor interface, ideal for crafting email templates or quick content snippets. Developers and web professionals use this tool to easily convert their hand-crafted content into well-formatted HTML code without the need for complex coding knowledge.
Decodes Microsoft Safe Links and similar URL-wrapping redirectors to recover the original destination URL by analyzing the encoded components and reconstructing them into the unobfuscated link. Developers, security analysts, and users dealing with potentially malicious URLs would find this tool invaluable for verifying the safety of links shared in emails or messages. It helps uncover hidden destinations that might lead to phishing sites or other threats, ensuring safer navigation online.
Generates a QR code that, when scanned, automatically joins a Wi-Fi network using provided SSID, password, and encryption details. Users can easily create personalized QR codes for personal or professional use. Helps users quickly share Wi-Fi access without needing to manually input network credentials, making it ideal for tech support, event organizers, and anyone looking to simplify network setup for friends and family.
Generates lightweight SVG placeholder images for various use cases. Users specify desired dimensions, aspect ratio, and color, then receive an SVG file ready for integration into web designs or as placeholders in user interfaces. Ideal for designers working on mockups and developers implementing lazy-loaded content, ensuring quick visual representation without the need for high-resolution images.
Records video or captures stills directly from your device's camera within your browser, ensuring your data remains on your local machine without any cloud storage required. Ideal for users seeking privacy, convenience, or those working in environments where internet connectivity is unreliable or restricted.
Helps users quickly access essential Git commands organized by task, such as branching, undoing changes, and working with remotes. By providing a concise summary of frequently used Git operations in one place, this tool saves time for developers looking to perform common actions without having to search through extensive documentation. Developers who work on complex projects or collaborate with others would greatly benefit from using the Git Cheatsheet. It allows them to focus more on coding and less on remembering specific Git commands while ensuring they stay productive and efficient in their workflows.
Generates a random TCP/UDP port number outside well-known and reserved ranges, aiding in local service setup without port conflicts. Ideal for developers quickly finding available ports for testing or running temporary applications. Useful for programmers, system administrators, and anyone needing to establish quick, isolated services on their local machines without worrying about port availability.
Pretty-prints and folds JSON data for easy browsing, highlighting syntax and allowing collapse by key and path copying. Developers and anyone working with JSON files will find this tool invaluable for quickly understanding complex data structures, navigating large files, and extracting specific information without manual parsing.
Minifies JSON by removing whitespace and comments, producing compact payloads. Useful for developers to reduce file size and improve load times on web applications and APIs. Developers looking to optimize their code and decrease bandwidth usage will find this tool invaluable. By compressing JSON files, it helps in reducing the overall data transfer time and improves the performance of web applications.
Formats SQL queries to improve readability by standardizing keyword casing, indentation, and line breaks across various database dialects. Users can paste their raw SQL code into the tool's interface, which then returns a neatly formatted version that is easier to understand and maintain. Developers, database administrators, and anyone working with complex SQL scripts would benefit from this tool. It saves time by ensuring consistent formatting, reducing errors in large queries, and making collaboration among team members more efficient.
Converts Docker run commands into docker-compose.yml service definitions, automating the process of container orchestration for developers. Ideal for users looking to streamline their development environments by converting manual run commands into reusable, scalable services.
Pretty-prints and folds YAML for easy browsing, with syntax highlighting and structural validation to ensure accurate representation of data in the YAML format. Developers, system administrators, and anyone working with YAML files will find this tool invaluable. It helps users quickly understand complex YAML structures, debug issues related to formatting, and validate data integrity without manual effort.
Normalises email addresses by removing plus-addressing tags and adjusting for provider-specific quirks to convert them to their canonical form, ensuring consistency across systems. Developers, marketers, and IT professionals who need to standardize email addresses for better data hygiene, analytics, or compliance will benefit from this tool. It simplifies the process of comparing and analyzing user data by converting emails into a universally recognized format.
Generates quick-reference cheatsheets for regular-expression syntax, covering character classes, quantifiers, anchors, lookarounds, and flag meanings. Ideal for developers looking to quickly reference or test regex patterns in their code.
Calculates network and broadcast addresses, subnet mask, host range, and usable host count for any IPv4 CIDR block. Enter an IPv4 address and CIDR prefix to get detailed subnet information. Useful for network administrators, IT professionals, students, and anyone needing to understand IP addressing and subnetting. Network engineers use it to plan and allocate IP addresses efficiently within a network. Students learn about IP networking and subnetting principles through practical calculations. System administrators verify the configuration of routers and switches by cross-referencing their settings with the calculator's output.
Converts an IPv4 address between dotted-decimal, hexadecimal, binary, and integer representations. Users input an IPv4 address in one format (e.g., 192.168.1.1), and the tool automatically converts it to all other formats for easy reference. Helps users who need to understand or manipulate IP addresses for network configuration, debugging, or security assessments. Ideal for IT professionals, system administrators, and anyone working with computer networks.
