Instant previews for text formats
Preview is supported from the icon in the top-left corner of the editor. Click it to open a side preview in split-screen mode while you continue editing.
What we preview
Open the side preview pane from the top-left preview icon, then switch formats instantly.
Markdown
Read-only preview for headings, lists, code blocks, tables, and links.
JSON
Tree preview with collapse-all controls, editable nodes, and fast search/edit for large files.
XML
Tree preview with collapse-all elements, node editing, and responsive search/edit for big documents.
HTML
Read-only HTML preview for safe visual inspection.
CSV
Rich table preview with optional edit mode: add/remove columns, column filters, inline cell editing, sorting, and drag-and-drop column reordering.
All in the browser
No installs, everything runs locally for speed and privacy.