#preview

Video Player (with Audio) — MP4/MOV/WebM

yutabee

Play MP4, MOV, M4V and WebM videos inside VS Code with sound. ffmpeg extracts the audio and keeps it in sync with the muted video, working around the missing AAC codec in the VS Code webview — audio that actually plays, and stays in sync.

Mobile Viewer

AzeezAeroDev

Preview web apps in mobile, tablet and desktop device frames directly inside VS Code.

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.

Office File Preview

takashi-uchida

Read-only preview for .docx, .xlsx, .csv, .pdf, .pptx files and Marp slides inside VS Code

Mobile Preview

VictorFaundez

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

Visio Preview & QA Linter

ai-fde-lab

在 VS Code 中预览、轻量编辑和 QA Microsoft Visio 文件。

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.

MD Viewer Plus

wishlatte

View Markdown files in a VS Code webview with live preview, source mode, split mode, table of contents, and scroll sync.

DOCX Live Preview

docx-chat

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

BetterJsonExplorer

zekeChin

智能 JSON 体验：粘贴自动识别、JSON ⇄ 字符串切换、嵌套 JSON 字符串解析、字符串值 Hover 预览（JSON / Markdown / 纯文本）。

Parquet Manager

AndreaDutto

Read, preview, edit, and query Apache Parquet files in VS Code and Cursor