Photoshop Large Document (.psb)

Open and inspect supported .PSB files privately inside your browser. Your files remain 100% local and are never uploaded to any server or cloud API.

Launch .PSB Viewer in ZumiFiles

What is an .PSB File?

The .psb format stores high-resolution image data, vector curves, color profiles, and multi-layer graphics used in digital design and photography.

Associated Software & Origin

Generated by professional graphics software including Adobe Photoshop, Illustrator, Affinity Photo, Lightroom, and digital camera hardware.

Data Structure & Characteristics

May contain multi-layer raster stacks, PostScript vector coordinate tokens, ICC color profiles, EXIF metadata, or high dynamic range exposure data.

What ZumiFiles Can Inspect

ZumiFiles renders high-definition image viewports, vector SVG transforms, layer visibility toggles, EXIF tag details, and color histogram data.

⚡ Advanced ZumiFiles Inspection Capabilities for .PSB

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Photoshop Layer Inspector: Inspect individual Photoshop layer groups, toggle visibility, and adjust opacity sliders.

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Blend Mode & Canvas Analysis: Inspect layer blend modes, color channels, and canvas bounds.

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Layer PNG Export: Export individual composite PSD layers or full raster compositions directly to PNG.

          Technical Parser Engine
          100% Client-Side WebAssembly
        
PsdViewer layer composite canvas converter

Flexible Ways to View Files in ZumiFiles

ZumiFiles adapts to your exact workflow. Choose how you want to open and inspect your files:

1. Browse Local Directory

Mount entire project folders directly from your computer using the browser's File System Access API. Navigate nested subfolders with dual-pane split screens.

2. Instant Single-File Preview

Drag and drop or select a single file to inspect it instantly in a sandboxed viewport. Perfect for quick checks without mounting whole directories.

3. Load Remote File URL

Paste any public web URL to fetch and render remote documents, 3D models, code files, or spreadsheets directly inside your browser.