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- Chrome / Edge from the last 2 years: full support for all local tools (including OCR and long-strip stitching).
- Firefox from the last 2 years: supports nearly all tools; slightly slower on very large files.
- Safari (macOS): covers common tools; a few WASM multithreading features may degrade — retry after refresh.
- iOS Safari / Android Chrome: common tools (merge, split, compress, PDF to image) work smoothly.
- “Scan to PDF” can launch the camera directly.
- Prefer desktop for large files and batch jobs. On mobile, touch targets are ≥48px with primary actions anchored to the bottom.
- JavaScript must be enabled; local tools need reasonable device memory.
- If buttons do nothing: confirm JavaScript is enabled, pause ad-blockers for this site, or retry in Chrome or Edge.
