Solar Potential is a simple tool for getting the estimated annual energy production of a PV system. It returns the estimated annual energy production of a PV system.

Spam Detector is a simple tool for detecting spam in a text. It utilize an email address or IP address to validate the given text against the spam database.

Spell Checker is a simple tool for checking spelling in a given body of text. It returns correction suggestions

Spelling Bee Generator creates word puzzles with 7 letters where players form words using a required center letter.

SPF Validator checks the Sender Policy Framework (SPF) DNS record for a domain to verify if it’s valid and optionally whether a given IP address is authorized to send emails for that domain.

SQL Explainer analyzes SQL queries and provides clear, plain English explanations of what they do. Perfect for learning SQL, code reviews, or documentation.

SRV Record Parser analyzes DNS SRV records and extracts service location information including priority, weight, port, and target server details.

SSL Checker inspects a website's SSL certificate. It returns the certificate details plus derived signals — whether it is currently valid or expired, how many days until it expires, whether it expires soon, and whether it is self-signed.

Stars Lookup is a simple tool for looking up star data. It returns the star name, mass, diameter, and more.

State Boundaries is a simple tool for getting the boundaries of a specific state's border. It returns the shape of the specified state's border.

Stock Exchange is a tool for retrieving information about stock exchanges and trading venues worldwide using ISO 10383 Market Identifier Codes (MIC). It returns exchange details including name, location, website, and classification.

Stock Index is a tool for retrieving current and historical stock market index values. It supports the S&P 500, Dow Jones, Nasdaq Composite, VIX, Nikkei 225, and more.

Stock Market Open Times is a simple tool for getting the open times of the stock market. It returns the open times of the stock market for each day of the week.

Street Address Parser is a simple tool for parsing a US street addresses. It returns the parsed components of the street address provided.

Subdomain Finder is a simple tool for finding all the available subdomains for a given domain. It returns a list of all the available subdomains for the given domain.

Sudoku is a simple tool for generating Sudoku puzzles. It returns a Sudoku puzzle.

Sun Position is a simple tool for getting sun position data. It returns data such as altitude, azimuth, and distance of the sun from the location provided.

Sunrise Sunset is a simple tool for getting the sunrise and sunset times. It returns the sunrise and sunset times for a given location and date.

Generate unique superhero names using dynamic templates and word combinations.

SVG Converter transforms vector SVG files into raster image formats. Convert SVG logos, icons, and illustrations to PNG, JPG, or WebP for use in applications that don't support vector graphics.