Programming & Development
Professional toolkit for developers including code formatting, debugging assistants, API testing and performance analysis tools to enhance development efficiency and quality.
Free Online HTML Editor & Live Preview
Free online HTML editor with live preview. Write and test HTML, CSS, JavaScript code in real-time. No signup required - instant results, auto-save, and works offline.
Free Online UUID Generator (GUID)
Free online UUID/GUID generator. Generate UUID v1, v3, v4, v5 instantly with bulk generation. Copy with one click. No signup required - 100% free, private, and works offline.
Free HTML Color Code Reference & Picker
Free online HTML color code reference with HEX, RGB, HSL values. Browse 140+ web colors, copy codes instantly. No signup - 100% free for web developers.
Free FontAwesome Icon Library & Search
Free online FontAwesome icon library with search, preview, and copy. Browse thousands of free icons for web development. No signup - 100% free, instant copy.
Free Lucide Icon Library & Search
Free online Lucide icon library with search, preview, and copy. Browse beautiful open-source icons for React, Vue, and web projects. No signup - 100% free.
Free ASCII & Keycode Reference Table
Free online ASCII code and keyboard keycode reference. Find character codes, JavaScript key codes, and event values instantly. No signup - 100% free for developers.
Free MIME Type Reference & Lookup
Free online MIME type and file extension reference. Find correct MIME types for file uploads, HTTP headers instantly. No signup - 100% free for developers.
Free Spider & Bot User Agent Reference
Free online spider and crawler user agent reference. Find Googlebot, Bingbot, and all major search engine bot user agents. No signup - 100% free for developers.
Free Strong Password Generator Online
Free online password generator. Create strong, secure random passwords instantly. Customize length, characters, bulk generate. No signup - 100% free, private, works offline.
Free Online JSON Formatter & Validator
Free online JSON formatter, validator, and beautifier. Format, minify, and validate JSON instantly with syntax highlighting. No signup required - 100% free, private, and works offline.
Free Online Base64 Encoder & Decoder
Free online Base64 encoder and decoder. Convert text to Base64 and decode Base64 to text instantly. Supports UTF-8, URL-safe encoding. No signup - 100% free and private.
Free Online XML Formatter & Validator
Free online XML formatter, validator, and beautifier. Format, minify, and validate XML instantly with syntax highlighting. No signup - 100% free, private, works offline.
Free Online URL Parameters Parser & Formatter
Free online URL parameter parser and formatter. Parse, decode, and analyze query strings instantly. No signup - 100% free, private, works offline for API development.