HTMLLab: Learn Web Coding

Learn HTML, CSS, and JavaScript with hands-on, editable lessons. Write code, see it run instantly on your device, and check your work as you go.

HTMLLab is a friendly, hands-on way to learn web development. Work through guided lessons in HTML, CSS, and JavaScript, edit real code, and see your results instantly — all directly on your device.

Learn by Doing

• Guided Academy lessons that build your skills step by step • Every lesson keeps the source code fully visible and editable • Edit HTML, CSS, and JavaScript and see the results update instantly

Code Lab

• A fully editable workspace for HTML, CSS, and JavaScript • Run code locally on your device and view the output immediately • Clear error and warning logs help you understand and fix issues • Starter examples demonstrate common layouts, patterns, and techniques

Check Your Work

• Built-in validation checks confirm lesson requirements as you complete them • Track your progress and see exactly what remains to be finished • Practice until every requirement passes successfully

Made for Learning

• Save lesson drafts locally on your device • Works offline — no account required • Adjustable editor font size and a clean, distraction-free interface

HTMLLab is designed for students, beginners, and anyone curious about how the web works. Open a lesson, edit the code, run it, and learn HTML, CSS, and JavaScript at your own pace.

Terms of Use (EULA): https://sudoswisshub.github.io/HTMLLabLegal/terms.html Privacy Policy: https://sudoswisshub.github.io/HTMLLabLegal/privacy.html