Treasury Yields provides current and historical US Treasury constant-maturity market yields across the full curve (1-month through 30-year), plus TIPS real yields. Essential data for yield curve analysis and fixed income research.

Trivia is a simple tool for getting trivia questions. It returns a random trivia question based on your selected category.

Truth or Dare generates random truth questions and dare challenges for the classic party game. Features 400+ unique prompts with per-API-key tracking to avoid repeats.

Truth Table Generator creates complete truth tables for boolean expressions with support for AND, OR, NOT, XOR, NAND, and NOR operators.

ULID Generator is a tool for generating Universally Unique Lexicographically Sortable Identifiers (ULIDs). ULIDs are 26-character strings that are sortable by time and collision-resistant.

Unemployment Rate is a tool for retrieving unemployment statistics by country. It returns the unemployment rate as a percentage of the total labor force, with data available for over 200 countries from 1991 to present.

Unicode Escape/Unescape is a tool for converting characters to Unicode escape sequences and vice versa. It handles all Unicode characters including emojis and surrogate pairs.

Unicode Character Lookup is a tool for retrieving detailed information about Unicode characters. It provides codepoint, UTF-16 encoding, category, and emoji name information.

Unit Converter is a simple tool for converting units. It returns the converted value.

Unix Timestamp Converter is a tool for converting between Unix timestamps and human-readable dates. It supports both seconds and milliseconds formats.

URL Encoder/Decoder is a tool for encoding and decoding URL strings. It converts special characters to percent-encoded format and decodes them back for safe URL transmission.

URL Lookup is a simple tool for looking up the location of a URL. It returns the location of the URL provided.

URL Title is a simple tool for getting the title of a web page. It returns the title of the web page based on the URL provided.

URL to Markdown is a powerful tool for converting any webpage into clean, readable Markdown format. It preserves the document structure including headings, links, lists, and images.

URL Unshortener is a simple tool for unshortening shortened URLs. It returns the original URL before it was shortened.

USB Vendor Lookup allows you to identify USB device manufacturers and products by their vendor ID and product ID. It uses the Linux USB ID Repository, which contains thousands of USB vendor and product identifiers.

User Agent Generator is a simple tool for generating user agent strings. It returns a random user agent string.

User Agent Parser is a simple tool for parsing user agent strings. It returns the browser, operating system, and more from the user agent string.

Username Generator is a simple tool for generating usernames. It returns a list of usernames based on the specified criteria.

Username Profanity Checker is a simple tool for checking if a username is inappropriate or profane. It returns if the username is inappropriate or profane.