Browser Compatibility
Browser compatibility guides for local AI features. Check WebGPU, WASM, IndexedDB, and Web Worker support across browsers and devices.
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Browser support
April 11, 2026
Chrome Desktop
Full LocalMode support on Chrome Desktop - WebGPU, WASM, IndexedDB, Web Workers, and all 136 curated models.
April 26, 2026
Chrome on Android
Mobile browser AI with Chrome Android - WebGPU on some devices, WASM everywhere, with memory constraints.
April 30, 2026
Cross-Origin Isolation (COOP/COEP)
Setting up COOP/COEP headers for SharedArrayBuffer - required for multi-threaded WASM inference in some configurations.
April 5, 2026
Firefox Desktop
LocalMode on Firefox - full WASM support, WebGPU on Windows (141+) and macOS Apple Silicon (147+), all non-GPU models work perfectly.
May 19, 2026
Low-Memory Devices (2-4GB RAM)
Running LocalMode on phones, tablets, and Chromebooks with limited RAM - model selection and memory management.
May 14, 2026
Private/Incognito Browsing
How LocalMode handles Private Browsing mode - IndexedDB blocked in Safari, workarounds and fallbacks.
May 17, 2026
Safari on iOS / iPadOS
Running LocalMode on iPhones and iPads - WASM works, WebGPU enabled by default from iOS 26, tight memory limits, and Private Browsing caveats.
April 6, 2026
Safari on macOS
LocalMode support on Safari macOS - WebGPU behind a flag from Safari 17.4, enabled by default from Safari 26, WASM always, with IndexedDB caveats in Private Browsing.
April 7, 2026
WebAssembly Browser Support
Universal WASM support across all modern browsers - the foundation for Transformers.js and wllama inference.
May 6, 2026
WebGPU Browser Support
Which browsers support WebGPU, which models require it, and how to detect and fall back gracefully.