Programming and development tools

Base64 Encoder and DecoderEncodes and decodes text or files in Base64. For APIs and embedded data. Free online. Binary to Text TranslatorConvert binary to text (ASCII/UTF-8) and text to binary. For learning and programming. Free. Binary, Decimal, Hex ConverterConverts between binary, decimal, hexadecimal and octal. For programmers and students. Free online. CSS MinifierMinify CSS sheets. Reduce file size. Free for developers. CSV to JSON and Excel ConverterConvert CSV to JSON or table. Useful for importing data. Free and in the browser. Escaping RegEx CharactersEscapes special characters for use in regular expressions. Free online. HTML Encoder and DecoderEscapes and unescapes HTML entities. To avoid XSS and display code on pages. Free online. HTML Entity EncoderEncodes and decodes HTML entities (escaping < > & " etc.) to display code on websites. Free online. Image to Base64Converts an image to Base64 for embedding in HTML or CSS. Free for developers. JavaScript minifierMinify JavaScript code. Remove spaces and comments. For production. Free online. JSON Formatter and ValidatorFormats, validates and minifies JSON. Indentation and error detection. For developers. Free. JWT decoderDecodes a JWT token and displays its header and payload in readable format. Free and private. Markdown to HTML ConverterConvert Markdown to HTML in real time. Preview. For documentation and blogs. Free online. MD5 and SHA Hash GeneratorCalculates MD5, SHA-1, SHA-256 hashes of any text. For file verification and development. Free online. Regular Expression Tester (Regex)Test your regular expressions live: check matches and groups over a text. For JavaScript. Free. SQL formatterFormat and beautify SQL queries with indentation and capitalization of keywords. Free online. Subnet Calculator (IP/CIDR)Calculates mask, network address, broadcast, range of hosts and usable hosts from an IP and CIDR prefix. Free. Test Data GeneratorGenerate fake names, emails, addresses and phone numbers for testing. Developers. Free. Token Counter for AIEstimate how many tokens your text or prompt consumes in GPT-type AI models. Counts tokens, words and characte… URL Encoder and DecoderEncodes and decodes URLs (encode/decode). Special characters and spaces. For links and APIs. Free. URL parserAnalyzes a URL and breaks down protocol, domain, route, parameters and anchor. For developers. Free. UUID generatorGenerates unique v4 UUIDs for APIs and databases. Copy to clipboard. Free for developers.