Educational Tools

Free online tools to help with learning, studying, and everyday tasks. All tools are completely free to use with no sign-up required.

12 free tools available

Writing & Text Tools

Word Counter

Count words, characters, and paragraphs

Reading Time Calculator

Estimate reading and speaking time

Text Case Converter

Convert between text cases

Math & Calculation Tools

Percentage Calculator

Calculate percentages easily

Grade Calculator

Calculate grades and GPA

Unit Converter

Convert units of measurement

Study & Productivity Tools

Pomodoro Timer

Focus timer for productive studying

Flashcard Maker

Create study flashcards

Random Name Picker

Randomly select from a list

Reference Tools

Multiplication Table

Interactive times tables

Color Picker

Pick and convert colors

Lorem Ipsum Generator

Generate placeholder text

About Our Educational Tools

ATC21S is expanding beyond coloring pages to provide free educational tools for students, teachers, and parents. Our tools are designed to be simple, effective, and accessible to everyone.

Why Use Our Tools?

  • 100% Free: All tools are completely free to use with no hidden costs
  • No Sign-up Required: Use any tool instantly without creating an account
  • Privacy-Focused: Your data stays in your browser - we don't store your information
  • Mobile-Friendly: All tools work on desktop, tablet, and mobile devices
  • Educational Focus: Tools designed with learning and education in mind

Request a Tool

Have an idea for an educational tool you'd like to see? Contact us with your suggestion!