SitePreviewKit
Safe browser preview for local website packages
SitePreviewKit helps quickly inspect local website exports without turning that into a hosting or deployment platform. Files are imported, typed, filtered and displayed in a hardened preview frame.
About SitePreviewKit
SitePreviewKit is a browser based preview tool for website ZIPs, single HTML files and local web demos. It is meant for situations where you want to inspect an export quickly without hosting it publicly.
The tool is not a classic deployment platform. The focus is local preview, asset resolution and a safer display of imported files.
Import and Preview Workflow
You import a ZIP file, HTML file or local demo folder through the browser interface. SitePreviewKit detects file types, blocks risky content and resolves local CSS, images and fonts for preview.
The page is displayed in a safe preview frame. Internal links can navigate within the imported package where files exist and are allowed.
Use Cases
SitePreviewKit is useful for checking client exports, static website builds, HTML prototypes, email layout templates or small local demos.
Developers can quickly see whether relative paths, stylesheets and images are wired correctly. The tool is not a replacement for real hosting, server side frameworks or production execution of complex web apps.
Technical Implementation
Import runs in the browser through file APIs, ZIP processing, type detection and an asset resolver. A security filter blocks dangerous or unexpected file types before they appear in preview.
The preview frame is deliberately constrained. This allows static HTML demos to be inspected while real backend routes, databases or server functions are not simulated.
Security and Privacy
SitePreviewKit is designed not to send local files to servers unnecessarily. Import and preview happen in the browser where the feature does not require external processing.
Security limits are not overstated: a preview tool can reduce risky patterns, but it does not replace a complete sandbox for arbitrary untrusted code.
Local website preview
Choose ZIP/HTML
Import website package or file.
Check import
Detect file types and structure.
Resolve assets
Connect relative paths for CSS, images and fonts.
Open preview
Start safe local preview.
SitePreviewKit Preview Pipeline
Imported files pass through type detection, security filter and asset resolver before reaching the preview frame.
Hover or focus elements for details
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- Local in browser
Features
ZIP Import
Unpack and inspect website packages in the browser.
HTML Import
Open single HTML files directly.
Universal Import
Import local demos flexibly.
Safe Preview Mode
Preview in a constrained frame instead of real publishing.
Local asset resolution
Resolve CSS, images and fonts from the imported package.
Security Hardening
Risky file types and patterns are blocked before preview.