Learn how to validate UUIDs and GUIDs, check format compliance, detect versions, and ensure data quality. Perfect for API testing, data validation, debugging, and ensuring UUID/GUID integrity in your applications.
Learn how GUIDs work in Windows development, .NET applications, and COM components. Generate GUIDs instantly for Windows Registry, COM interfaces, .NET projects, and Microsoft technologies. Free online GUID generator for Windows developers.
View the complete ASCII character table with decimal, hexadecimal, octal, binary, HTML entity, and character representations. Includes quick converter, search, filters, and grid view — perfect for developers.
Learn what UUIDs and GUIDs are, why they matter for unique identifiers, and how to generate UUID v4 (random UUIDs/GUIDs) for databases, APIs, and distributed systems. Use our free UUID/GUID Generator to create unique identifiers instantly.
Test and debug regular expressions with live match highlighting, flag testing, and detailed explanations. Learn regex patterns, understand how they work, and fix issues instantly — all locally in your browser.
Learn how to validate JSON syntax instantly. Discover common JSON errors, why validation matters, and how the Tooladex JSON Validator helps you catch issues before they cause problems — all locally in your browser.
Turn Unix epoch timestamps into readable dates (and back) in seconds. Handle seconds or milliseconds automatically and copy clean outputs for logs, APIs, and scripts.
Learn how to create ASCII art from text using our free generator. Perfect for code banners, terminal displays, email signatures, and creative text designs.
Learn how to convert images to Base64 data URIs for embedding in HTML, CSS, and API requests. Use our free Image to Base64 converter tool to embed images directly in your code.
Format and beautify SQL queries with syntax highlighting. Learn why SQL formatting matters and how the Tooladex SQL Formatter helps you clean up messy queries and improve readability — all locally in your browser.
Learn how to validate .env configuration files for syntax errors, security issues, and best practices. The Tooladex .env File Validator runs entirely in your browser — your secrets never leave your device.
Learn what CRC32 checksums are, how they work, and how to use the Tooladex CRC32 Calculator to quickly verify data integrity for text and files.
Learn why password hashing is different from regular hashing, compare Argon2id vs bcrypt vs scrypt vs PBKDF2, and use the Tooladex Password Hash Generator to create secure password hashes.
Learn how Markdown and HTML work together and how the Tooladex Markdown to HTML Converter lets you instantly convert between formats with live preview and one-click copying.
Learn how text comparison works and how the Tooladex Text Compare tool helps you find differences between documents, code, paragraphs, and revisions instantly.
Learn how user agent strings work and how the Tooladex User Agent Parser helps developers identify browsers, operating systems, device type, and rendering engines instantly — all client-side.
Learn how JSON Web Tokens work, what each part means, and how the Tooladex JWT Decoder helps developers inspect and debug tokens (including exp/iat times) instantly — 100% client-side.
Learn how cron expressions work, how to translate them into human-readable schedules, and how the Tooladex Cron Expression Parser helps you visualize and validate cron schedules instantly.
Learn what Unix timestamps are, how to convert them to human-readable dates, and how the Tooladex Timestamp Converter helps you work with timezones, formats, and client-side conversions instantly.
Learn what hashing is, how MD5, SHA-1, SHA-256, and SHA-512 work, and why developers use hash generators for checksums, authentication, and data integrity.
Learn what each text case type means—from UPPERCASE to camelCase to snake_case—and how to convert text instantly using the Tooladex Case Converter.