Developer Tools
Free online developer tools for fast, private, browser-based workflows.
ASCII Converter
Convert text to ASCII decimal codes or ASCII codes back to readable text instantly. Supports all printable characters. Free browser tool.
Open →Base64 Encoder/Decoder
Free online Base64 encoder and decoder. Encode any text to Base64 or decode Base64 back to text. Supports Unicode and URL-safe format. Runs in your browser.
Open →Binary to Decimal Converter
Convert binary numbers to decimal and decimal to binary instantly. Also shows hexadecimal and octal representations. Free browser-based tool.
Open →Binary to Octal Converter
Convert binary numbers to octal and octal to binary instantly. Also shows decimal and hexadecimal. Free browser-based tool.
Open →Binary Translator
Translate text to binary code or convert binary back to readable text. Each character is shown as an 8-bit binary number. Free browser tool.
Open →CSV to JSON Converter
Convert CSV data to JSON format instantly. Supports comma, tab, pipe delimiters, and headers as keys. Copy or download output. Free.
Open →Decimal to Binary Converter
Convert decimal numbers to binary and binary to decimal instantly. Also shows hexadecimal and octal. Free browser-based tool.
Open →Decimal to Hex Converter
Convert decimal numbers to hexadecimal and hex to decimal instantly. Also shows binary and octal. Free browser-based tool.
Open →Hex to Binary Converter
Convert hexadecimal numbers to binary and binary to hex instantly. Also shows decimal and octal. Free browser-based tool.
Open →Hex to Decimal Converter
Convert hexadecimal numbers to decimal and decimal to hex instantly. Also shows binary and octal. Free browser-based tool.
Open →Hex to Text Converter
Convert hexadecimal strings to readable text or encode text to hex. Supports space-separated and plain hex formats. Free browser tool.
Open →JSON Formatter
Free online JSON formatter and validator. Beautify ugly JSON, validate syntax errors, minify JSON, and visualize JSON with interactive tree view.
Open →JSON to CSV Converter
Convert JSON arrays to CSV format instantly. Extracts all keys as headers. Handles flat objects. Copy or download output. Free.
Open →Los Angeles Address Generator
Generate random Los Angeles addresses instantly. Get fake US addresses with name, street, ZIP, phone, and email for testing and development.
Open →MD5 Encrypt / Decrypt
Generate MD5 hashes instantly and look up MD5 decryption results online. Free, fast, and no registration required.
Open →Newline Escape Converter
Convert between real line breaks and escaped newline sequences. Toggle between Escape and Unescape modes. Perfect for JSON strings. Free.
Open →Password Generator
Generate strong, random passwords with custom length and character types. All generation happens in your browser — nothing is stored.
Open →Print Size Calculator
Convert pixels to print dimensions (inches, cm, mm) and back. Enter pixel size and DPI to calculate physical print size.
Open →PX to REM Converter
Convert pixels to REM units for responsive CSS. Set your base font size and get instant px/rem conversions. Free browser tool.
Open →Regex Tester
Test and debug regular expressions in real time. See match count, captured groups, and flags highlighted instantly. JavaScript regex syntax.
Open →REM to PX Converter
Convert REM units to pixels for CSS development. Set your root font size and instantly convert between rem and px. Free browser tool.
Open →RGBA to Hex Converter
Convert RGBA color values to hex code and hex to RGBA online. Includes live color preview. Free browser-based tool.
Open →Subnet Calculator
Calculate subnet details from any IP address and CIDR prefix. Get network address, broadcast, host range, and total hosts instantly.
Open →URL Encoder/Decoder
Free online URL encoder and decoder. Percent-encode special characters in URLs or decode them back. Supports Component and Full URL modes. Runs in your browser.
Open →UUID Generator
Generate RFC 4122 compliant UUIDs (v4 random, v1 time-based) instantly. Create 1–100 UUIDs at once for databases, APIs, and development.
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