PDF Fusion Smart Pro

Merge, split, compress, watermark, OCR, sign and preview-edit PDF files directly in your browser. The app is designed for privacy-first local processing.

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Preview Editor

Render page thumbnails, drag to reorder, rotate, delete and export selected pages.

Worker + Batch ZIP

Compress many PDFs, watermark many PDFs, split pages into a ZIP, and merge PDFs with a Web Worker.

Compress PDF

Use safe structural compression or stronger raster compression for scanned documents.

Local analytics

Clicks, errors and device type are stored locally in your own browser for debugging.