Detailed feature matrix comparing ZumiFiles against macOS Finder and Windows File Explorer.
| Feature / Capability | macOS Finder | Windows File Explorer | ZumiFiles File Browser |
|---|---|---|---|
| Waveform Audio Visualizer & Gap Inspector | ❌ (Basic audio playback bar) | ❌ (Basic media player bar) | ✅ Web Audio API 260-Bar Waveform, Silence Gap Inspection, Click-to-Seek & Speed Controls |
| Zero-Install WASM Previews (300+ Formats) | ❌ (QuickLook requires desktop apps) | ❌ (Requires third-party apps) | ✅ Built-in WASM & WebGL Engines (1,121 Format Matrix) |
| Privacy Guarantee (0 Cloud Server Uploads) | ⚠️ (Web / Telemetry) | ⚠️ (Windows Copilot integration) | ✅ 100% Local & In-Browser |
| Portable JSON Sidecars | ❌ (Mac extended attributes only) | ❌ (Not supported) | ✅ .{filename}.json & .{foldername}.json |
| Colour Coded Thumbnails & Background Tints | ⚠️ (Small dot tag icon only) | ❌ | ✅ 10 Light/Dark Tints + Custom Color Picker |
| Persisted Text Thumbnails | ❌ | ❌ | ✅ {filename}.thumbnail.txt Typography |
| Variable Size Thumbnails & View Modes | ⚠️ (Standard icon grid) | ⚠️ (Fixed icon sizes) | ✅ Dynamic Container Scale, Grid, Filmstrip, Data Sheet & Tree Views |
| Saved Converted Previews (.convertedpreview) | ❌ | ❌ | ✅ Instant re-loading without re-transcoding |
| Full-Screen Media Slideshow | ⚠️ (QuickLook slideshow) | ❌ (Separate Photos app window) | ✅ Built-in Full-Screen Slideshow & Timer |
| Bulk Import of Metadata & Editing | ❌ | ❌ | ✅ CSV & JSON Sidecar Bulk Import/Export Tool |
| Advanced Bulk Rename | ⚠️ (Basic find & replace pattern) | ⚠️ (Requires PowerToys install) | ✅ Regex, Numbering, Case Transform & Live Diff Preview |
| Visual File & Folder Diffing | ❌ (Requires Xcode FileMerge / Kaleidoscope) | ❌ (Requires WinMerge / Beyond Compare) | ✅ Native Side-by-Side File & Folder Tree Diffing |
| Code Syntax Highlighting & Editing | ❌ (Plain unhighlighted text preview) | ❌ (Plain unhighlighted preview pane) | ✅ CodeMirror 6 Engine — 99 Languages across 236 File Extensions & Editing |
| Dual-Pane Workspace | ❌ | ❌ | ✅ Native Dual-Pane & Drag-and-Drop |
| AI Weights, Parquet & SQLite Explorer | ❌ | ❌ | ✅ Built-in SafeTensors, SQLite, Parquet |
| 4-Corner Focal Crop Thumbnails | ❌ | ❌ | ✅ Interactive 1:1 Focus Crop Engine |
| JSON Schema Autocomplete & Tag Chips | ❌ | ❌ | ✅ sidecar.schema.json Powered Autocomplete |
Standard desktop operating systems require installing heavy software packages (Photoshop, AutoCAD, Blender, Office, SQLite Studio) just to preview file formats like .psd, .dxf, .gltf, or .sqlite. ZumiFiles includes native WASM & WebGL engines to preview 1,121 formats with 100% local privacy guaranteed.
Standard audio players display a simple playback bar with no amplitude detail. ZumiFiles decodes PCM channels in real time to draw a 260-bar interactive waveform, revealing track silences, audio gaps, and volume spikes with hover timestamps and instant seeking.
Mac tags rely on OS extended attributes that disappear when files are moved to Windows or Linux. ZumiFiles uses standard portable JSON sidecars (.{filename}.json and .{foldername}.json) that preserve tags, star ratings, and background color choices across all operating systems.
Transcoding legacy video and audio files (.rm, .wma, .vob, .aiff) usually requires waiting for conversion every time. ZumiFiles saves in-memory converted previews so subsequent opens render instantly without re-transcoding.