JSON Formatter • Base64 • Hash Generator • UUID • Regex Tester • URL Encoder • Case Converter • JWT Decoder — all inside VS Code. Zero network. 100% local.
Why NexusLabs DevKit?
Stop context-switching to browser tabs for basic dev tasks. NexusLabs DevKit puts 8 essential developer utilities right inside your editor — with a beautiful dark glassmorphism UI, inline editor commands, and right-click context menu integration.
Zero network requests. Zero telemetry. Nothing leaves your machine.
Features
| Tool |
What it does |
| JSON Formatter |
Format, minify, and validate JSON with syntax highlighting |
| Base64 Encode/Decode |
Convert text or data to/from Base64 |
| Hash Generator |
Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes instantly |
| UUID Generator |
RFC 4122 v4 UUIDs — single or bulk generation |
| Regex Tester |
Test regex patterns with live match highlighting and group capture |
| URL Encode/Decode |
Percent-encode/decode URL components |
| Case Converter |
Transform text: camelCase, snake_case, kebab-case, PascalCase, UPPER, lower, Title Case |
| JWT Decoder |
Decode JWT tokens — view header, payload, and expiry at a glance |
⌨️ Two Ways to Use
Open the complete DevKit panel with all 8 tools in a tabbed interface:
- Keyboard shortcut:
Ctrl+Shift+N (Windows/Linux) / Cmd+Shift+N (Mac)
- Command Palette:
NexusLabs DevKit: Open Tools Panel
2. Inline Editor Commands
Select text in your editor, then:
- Right-click → DevKit commands appear in the context menu
- Command Palette → Search "NexusLabs DevKit"
| Command |
Action |
NexusLabs DevKit: Format JSON |
Pretty-print selected JSON |
NexusLabs DevKit: Base64 Encode Selection |
Encode selection to Base64 |
NexusLabs DevKit: Base64 Decode Selection |
Decode Base64 selection |
NexusLabs DevKit: URL Encode Selection |
Percent-encode selection |
NexusLabs DevKit: URL Decode Selection |
Decode percent-encoded selection |
NexusLabs DevKit: Generate UUID |
Insert a UUID v4 at cursor |
Privacy & Security
| Guarantee |
Detail |
| Zero network |
No HTTP requests, no APIs, no CDNs — all processing is 100% local |
| Zero telemetry |
Nothing is tracked, logged, or sent anywhere |
| Zero permissions |
Doesn't access your filesystem, network, or workspace files |
| Open source |
Full source code on GitHub |
Requirements
- VS Code 1.80 or later
- No additional dependencies required
Installation
From VS Code Marketplace
- Open VS Code
- Go to Extensions (
Ctrl+Shift+X)
- Search for "NexusLabs DevKit"
- Click Install
From VSIX File
code --install-extension nexuslabs-devkit-1.0.0.vsix
Part of the NexusLabs Family
NexusLabs DevKit is one of 14 extensions in the NexusLabs suite, covering developer tools, converters, calculators, productivity utilities, and more.
Contributing
Contributions are welcome! Please open an issue or pull request on GitHub.
License
MIT — Made with care by NexusLabs.
