Extensions

OpenXML Viewer

tmidorikawa

A read-only viewer that previews Office Open XML (.xlsx / .docx / .pptx) files directly in VS Code

Excel Delta View

stoutalligator

Side-by-side Excel file comparison with sheet selection and downloadable diff report.

LVKit

pragmatest

View and diff VIs without LabVIEW.

Hylo — HTML Live Preview

AINX

实时 HTML 预览与双向联动编辑器，HTML 的 Typora。

Copilot Usage Insights Tracker

Huggiv

Track GitHub Copilot Chat token usage, AI credit costs, and tool calls — per message and per session, right inside VS Code.

Markr – AI Config Editor & Markdown Preview

Apptware-Product-Lab

The memory & control layer for AI coding tools + Markdown preview — Context Bridge hands off sessions between Claude Code, Cursor, Augment, Codex, Cline, Windsurf & Gemini; cross-session memory, self-writing configs, AI Scoreboard; AI Agent Map for multi-agent .claude/ repos, Config Lab to test your

Markdown to File

markdowntofile

Live, paginated preview of your Markdown as a print-ready document — export to PDF and HTML. Tables, task lists, footnotes, KaTeX math, Mermaid diagrams and syntax highlighting. 100% local.

View PDB / CIF / mmCIF / MOL / SDF / XYZ / GRO molecular structures inside VSCode, powered by Mol*.

CSV Plot Viewer

chenxuchen

Interactive multi-panel CSV signal plotting inside VS Code.

Gherkin Step Lens

Varun-Kumar-Gopinath

Gherkin colouriser & navigator for BDD feature files. Colours keywords, highlights captured & Examples parameters, flags undefined / ambiguous / wrong-keyword steps, undeclared placeholders and unused Examples columns, auto-formats Examples tables, and provides Go-to-Definition with rich hover toolt

SysML v2 Studio

engineer-fumi

SysML v2 (.sysml / .kerml) authoring, visualization, and editing: language support, 8 editable diagram kinds, Claude (MCP) integration

JSON Monkey

CyberPunk

The one stop JSON workbench for VS Code. Edit any .json in polished visual form - no config required. Generate and validate against JSON Schema, generate class definitions in TypeScript, Go, Rust, Java, Kotlin, Swift, Scala, C#, PHP and Python, and import from/export to XML, YML and CSV.