Extensions

Token Optimizer

alexgreensh

See your Claude Code or GitHub Copilot context health, efficiency, and usage limits in the VS Code status bar.

Repowise

repowise-dev

Know what your change breaks before you push. Health signals, architecture maps, and refactoring plans in your editor, and the same intelligence for your AI agent via MCP. Local and free.

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.

Pepe Ident

pepeelpollo

Identify and visualize indentation — colorizes each indent level on the left and flags inconsistent (incomplete / mixed) indentation.

WinForms Designer for VS Code

SkivHisink

Visualize and edit WinForms .Designer.cs forms live inside VS Code — a Visual Studio-style designer surface, property grid, toolbox and event wiring, powered by a .NET 10 rendering engine.

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）。

Copilot Cost Lens — AI Usage & Spend Tracker

JakubJirak

Track GitHub Copilot, ChatGPT Codex and Claude Code spend per repository — local, private, real-time. Cost dashboard, model & cache analytics, budgets, forecasts, PDF receipts.

PixelTank

pinkpixel

A pixel-art aquarium sidebar for VS Code with a variety of fish to brighten up your coding sessions.

Copilot Cost Tracker

Hoxlegion

Track and visualize your GitHub Copilot usage costs.

Chroma DB

HarishKaparwan

Chroma DB is a VS Code and browser workbench for inspecting client-side Chroma collections, queries, and raw API requests.

VS Arduino

HiTECH-Corporation

Program Arduino directly in VS Code using arduino-cli

3D Mesh Viewer

AssetToolLabs

View and inspect 3D meshes (OBJ, FBX, GLB/GLTF, STL, PLY, DAE, 3DS, USD/USDA/USDC/USDZ, 3MF, VRML, and more) and Gaussian splats (SPZ, SPLAT, KSPLAT, SOG) directly inside VS Code.