Free Online Converter Tools
12 free online converter tools — convert timestamps, colors, units, number bases, file sizes, images, and more. Convert cURL commands to code, generate QR codes, and parse URLs. All tools run in your browser with instant results.
All Converter Tools
Encode text as hexadecimal and decode back
Convert Unix epoch timestamps to human dates with timezone support
Convert cURL commands to JavaScript fetch or Python requests
Convert between HEX, RGB, and HSL color formats
Generate complementary and analogous color schemes
Convert length, weight, temperature, area, and volume
Convert between binary, octal, decimal, and hexadecimal
Convert between Arabic numbers and Roman numerals
Convert between bytes, KB, MB, GB, and TB
Break URLs into protocol, host, path, query, and fragment
Convert images to Base64 data URIs for HTML embedding
Detect your public IP, browser, and screen info
Convert between IPv4 decimal and IPv6 notation
Calculate Unix file permission modes visually
Calculate subnet mask, IP range, and CIDR notation
Parse and compare semantic version strings
Perform AND, OR, XOR, NOT, and shift operations
Look up ASCII decimal, hex, and binary values for any character
Convert px, rem, em, vw, %, and other CSS units
Complete reference for HTTP status codes with descriptions
Parse user-agent strings into browser, OS, and device details
Developer converter tools
Converters save time on tasks that are tedious to do manually. The Timestamp Converter converts Unix epoch times to human-readable dates instantly. cURL to Code translates API documentation examples into JavaScript fetch or Python requests. Base Converter switches between binary, octal, decimal, and hex.
Color and design tools
The Color Converter switches between HEX (#rrggbb), RGB, and HSL with a live preview. The Color Palette Generator creates complementary, analogous, and triadic color schemes from any base color — useful for design systems and UI development.
Image and QR tools
Image to Base64 converts image files to data URIs for embedding in HTML or CSS without separate HTTP requests. The QR Code Generator creates QR codes for URLs, text, and contact information that can be downloaded as PNG files.