Color Brightness Calculator checks hex color brightness to classify values as light, dark, or medium, returning RGB components. Paid plans add WCAG contrast ratios, luminance scores, and recommended text colors.

Color Converter translates color values across hex, RGB, CMYK, and named inputs into standard RGB formats and channel breakdowns. Paid plans expand output to include CMYK, HSL, ANSI 16-color codes, and recognized English color names.

Color Name Finder matches any hex color code to its closest named CSS color. Send a hex value to get the matching color name, RGB coordinates, and an exact match flag.

Color Palette Generator produces harmonious color schemes from any HEX base color. It returns color codes in HEX and RGB formats, naming matches, dark-mode flags, and recommended text colors.

Color Similarity Calculator measures color similarity between two hex values. It returns an overall similarity score, a categorical match rating, and RGB and HSL channel breakdowns, while paid plans add Delta E and color distance metrics.

Comment Generator produces social media comments formatted for text or image posts across positive, negative, and neutral tones. Each request returns generated comment text with optional emoji support, while paid plans can request batches up to 10.

Company Lookup matches stock tickers, CIK numbers, company names, or SIC codes with official SEC registration records. It returns legal entity names, trading exchanges, tax EINs, Standard Industrial Classification codes, and registered business addresses.

Company Name Generator generates business name ideas from a seed keyword, returning a list of suggested brand names. Supply any industry or concept word to receive ready-made brand naming suggestions.

Compliment Generator creates unique, heartfelt compliments using template-based generation with extensive word banks. Perfect for apps, chatbots, or spreading positivity.

Contact Extractor scrapes public email addresses, phone numbers, and physical addresses from any web page URL. It tallies the findings and returns unique records found on the page.

Content Filter checks URLs against a comprehensive blocklist of 200,000+ domains categorized as ads-malware, fake news, gambling, adult content, or social media. Returns the specific category for blocked domains, plus every category a domain appears in across a 1.7M-domain index.

Coordinates Are Sea checks whether a given latitude and longitude pair sits in the ocean or on land. Pass geographic coordinates to receive a boolean confirming if the location is in the sea.

Cost of Living is a cost of living API that provides index values for US regions based on major metropolitan area data. Compare the relative cost of living between states or cities, each mapped to its Census region, and calculate salary equivalents for relocation decisions on paid plans.

Cloud Counter stores and updates persistent numeric counters by ID without needing a database. It tracks increments, decrements, and custom values while returning timestamps and number properties like parity and prime status.

Country Borders identifies adjacent nations by two-letter ISO country code. It returns the list of bordering countries along with region, subregion, and landlocked status.

Country Boundaries retrieves GeoJSON border outlines for any country by its two-letter ISO code. Each response includes the country name, geometry type, and boundary coordinate pairs ready for mapping layers.

Country Flags is a country flag API that fetches direct download URLs for national flag images using two-letter ISO country codes. Responses return the country name, ISO code, and image link, while paid plans can select SVG or PNG formats and shapes.

Country Languages lists official and commonly spoken languages for any country using its two-letter ISO code. It returns the common country name, formal official name, an array of recognized languages, and the total language count.

Country Lookup matches any country name or ISO code to its official names, ISO 3166 codes, capitals, region, languages, and flag emoji. Paid plans add coordinates and major cities.

County Data Lookup is a county lookup API that retrieves income, poverty rate, and life expectancy for any US county by state and county name. Paid plans add age demographics, educational attainment, health indicators, ZIP codes, and cost of living.