No fees. No gatekeeping. Just code.
Learn to code by shipping useful projects.
CodeHarbor is a free coding website built for self-taught learners: guided paths, real challenges, clean explanations, and a friendly practice flow that works on your phone.
const goal = "build confidence";
const habits = ["practice", "ship", "reflect"];
function learnCoding(hours) {
return habits.map((habit, index) => ({
day: index + 1,
habit,
progress: hours * (index + 2)
}));
}
console.table(learnCoding(3));181
Free lessons
520+
Practice tasks
9
Career paths
4
Weekly live labs
A simple route from curious to capable
Week 1
Think like a builder
Set up a learning routine, write tiny programs, and read error messages calmly.
Week 2
Make the browser move
Use layout, events, and state to turn static pages into interactive tools.
Week 3
Practice with constraints
Solve timed exercises with clear inputs, outputs, and test cases.
Week 4
Ship a public project
Publish a polished portfolio piece with documentation and accessible design.