Provides country codes with 2-letter (alpha-2), 3-letter (alpha-3), and 3-digit numeric formats. Allows sorting by country name, alpha-2, alpha-3, or numeric. Optionally displays country names in French.
by Edwin Hou★ 5.01 ratingsReferenceFreeData updated 2026-09-08
Teach reading with interactive letter recognition games and phonics activities. Listen to stories and songs. Practice matching letters to sounds. Track progress with built-in feedback and rewards.
Search for using over 100 filters. Create and save custom screeners. Analyze financial data and market trends. Identify penny and track performance metrics. Compare company fundamentals and valuation ratios.
Solve math, physics, chemistry, and other subjects with step-by-step solutions. Input equations or questions for detailed explanations. Access formulas, constants, and scientific data. Explore topics through interactive visualizations and examples.
Test knowledge, learn geography, compete with players
Test geography knowledge with country flags, capitals, and locations. Play against other players online. Learn about countries and improve knowledge through quizzes. Track progress and compete in real-time matches.
Read and organize books, textbooks, and documents in and PDF formats. Adjust page margins manually or automatically. Choose from multiple themes and color schemes for reading. Turn pages using scroll, curl, or slide.
Tap to activate Alphablocks and hear their letter sounds and lines from the song. Learn alphabet letters and sounds through interactive play. Sing along with the Alphablocks song.
Learn country details including name, code, key code, capital, population, area, location, regional bloc, and region. Share information with friends via social media or messaging.
Create words from given , using each letter only once. Rearrange to form valid words. Track progress and compete against other players. Share scores and challenge friends.
Convert HEX to RGB and vice versa. Enter or paste codes for instant conversion. Save favorite colors for future use. Sync colors across iOS and macOS devices via iCloud. Adjust values manually with sliders.
Identify coins by snapping photos and viewing details like name, year, country, and . Get market estimates for buying, selling, or collecting. Organize coins in a digital vault with custom categories and detailed information.
Control your Mac or PC with an iPhone, , or iPod. Use simulated touchpad and keyboard functions. Access panels for media playback, file transfers, and presentation controls.
With interactive lessons. Tap a letter to hear its pronunciation and view a pop-up description. The description includes initial, middle, and final spelling, letter name, and sound details.
Identify coins by snapping a photo or uploading an image. AI recognizes the and provides details like name, country, year, and type. Estimate market value and access a global database for instant information.