HTML Viewer

HTML Viewer is a free, no-signup tool for developers and designers who need to preview and debug HTML in real time. It solves the pain of switching between code and output by offering two-way element highlighting and auto error repair.

• Two-way code ↔ preview highlighting for quick element identification
• One-click error repair fixes malformed HTML instantly
• Dark mode and customizable preview options
• Zero cost, no account required, runs in your browser

Perfect for prototyping, learning, or quick debugging on the fly.