Extensions

Modern Video Player — with Audio (MP4, MKV, HEVC, WebM)

Brodazz

Play videos with sound in a VS Code tab — real audio out of the box (even AAC), zero setup, no ffmpeg to install. MP4, MKV, MOV, AVI, WebM and HEVC/H.265, video and audio, fully offline. ffmpeg bundled as WebAssembly.

Mobile Preview

VictorFaundez

Live mobile device preview for local dev servers, like Chrome DevTools' device toolbar, opened as an editor tab beside your code.

README Viewer

nmhp

A Markdown preview for reading. 17 themes, outline sidebar, word count.

Preview HTML

arcmantle

Preview-first HTML viewer for VS Code. Opens HTML files as rendered pages by default, with one-click toggle to source.

DOCX Live Preview

docx-chat

WPS-native DOCX preview for academic papers, with OMML math, CJK fonts, source sync, and WPS-rendered layout.

Visual HTML Editor

saea

Click any text in your HTML file and just type. Your source stays clean — only the text you changed gets updated, with original formatting, comments, and indentation preserved.

Flintmark

quboliu

Obsidian-compatible Live Preview Markdown editing in VS Code. Not affiliated with Obsidian.

Confluence Previewer

wake

Preview Confluence Storage Format (Source Editor XHTML) as it appears in Confluence

Psy-Phy Preview

psyphy

Live preview for .md and .mdx files using Psy-Phy components. Write plain markdown, see it rendered beautifully, export a ready-to-use .mdx file.

ResView – Responsive Design Tester

FrankMcDonald

Test responsive designs (Mobile First) without leaving VS Code. Preview sites in phones, tablets and desktop views with portrait/landscape toggle.

Better Color Highlight

ntnyq

Highlight and preview colors in multiple formats across code, comments, and strings.

PaperMirror: Chinese Preview for LaTeX & Markdown

papermirror

Incremental Chinese mirror preview for English LaTeX and Markdown research writing in VS Code and Cursor.