Full-Stack & Web

CORS debugger, HTTP codes, .env validator, bundle size.

2 live tools · 8 planned

CORS Error Debugger

Paste a CORS error — get plain-English explanation and fixes.

HTTP Status Code Lookup

Look up HTTP status codes — causes, meaning, and how to fix 4xx and 5xx errors.

Coming soon

8

Environment Variable / .env Validator

Coming soon — free online tool on ToolsGarage.

Package.json Dependency Size Checker

Coming soon — free online tool on ToolsGarage.

Favicon + Meta / OG Tag Generator (primary: SEO §12)

Coming soon — free online tool on ToolsGarage.

CSP (Content-Security-Policy) Header Builder

Coming soon — free online tool on ToolsGarage.

Cache-Control Header Explainer

Coming soon — free online tool on ToolsGarage.

SameSite Cookie Attribute Helper

Coming soon — free online tool on ToolsGarage.

REST API Status Code Picker (for docs)

Coming soon — free online tool on ToolsGarage.

npm / yarn / pnpm Lockfile Diff Viewer (text)

Coming soon — free online tool on ToolsGarage.