Data formats, unit systems, and universal conversion utilities
Convert length, mass, temperature, area, and digital data storage units with high precision.
Encode plain text to Base64 or decode Base64 strings back to readable UTF-8 text.
Convert Unix Epoch timestamps (seconds/milliseconds) to human-readable dates and vice versa.
Convert images between PNG, JPG, and WebP file formats directly in your browser.
Convert text characters into Decimal, Hexadecimal, and 8-bit Binary ASCII codes.
Convert characters and emojis into \uXXXX escapes, Unicode Code Points (U+), and HTML decimal entities.
Convert PNG, JPG, WEBP, and SVG images into Data URI, HTML <img> tags, and CSS Base64 strings.
Decode Base64 strings to downloadable PDF files with instant in-browser preview.
Convert JSON datasets into valid XML documents and transform XML tags into structured JSON objects.
Convert numbers into Roman numerals and decode Roman numerals back into standard integers with step-by-step math.
Convert configuration files seamlessly between JSON and TOML formats with live syntax validation.
Convert CSV contact lists (Name, Phone, Email, Company) into a standard multi-contact vCard 3.0 (.vcf) file for iOS, Android, and Google Contacts.
Convert JSON payloads into Google Protocol Buffers (proto3) message definitions with automatic field numbering for gRPC services.
Convert blackbody light color temperature in Kelvin (1000K to 12000K) into exact RGB and HEX values for 3D rendering, photography, and smart lighting.
Convert RF signal power in dBm to milliwatts (mW), Watts, dBW, and RMS Voltage across a 50-Ohm load for Wi-Fi, LoRa, and telecom engineering.
Calculate recommended streaming/recording bitrate (Mbps) and total video storage size (GB) from resolution, frame rate, codec, and duration.