The whole product, on one page.
If it isn’t listed here, ColdCode doesn’t do it yet.
Editing
- Editors
- HTML, CSS and JavaScript, or one full HTML document. CodeMirror 6 with highlighting, search and autocomplete.
- Layouts
- Eight: split editors or full code, left, right, top or bottom. On wider screens, drag a divider to resize the panes.
- Themes
- Light and One Dark. Follows your system until you pick one.
- Accessibility
- Named editors, keyboard-operable menus and dialogs, announced status messages, and console colors that meet WCAG AA.
Running
- Preview
- Live, in a sandboxed frame. Updates as you type, or on Ctrl/Cmd + Enter.
- Console
- Logs, info, warnings and errors, plus uncaught errors and unhandled promise rejections, with line numbers from your own editor. Keeps the latest 500 entries.
- Saving
- Automatic, on every change, in your browser’s local storage. Ctrl/Cmd + S saves immediately.
Files
- Import
- A whole page split into three editors, separate .html, .css and .js files, or one file into one editor.
- Export
- One self-contained HTML file, a ZIP archive, or each file on its own.
Requirements
- Browsers
- Chrome and Edge 105+, Firefox 121+, Safari 16.4+.
- Quality
- Every dependency is pinned to an exact version, and automated browser tests check every change.
- Price
- Free to use. There’s no account to create.
