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Online PDF Merge, Split, Rotate & Watermark Tool
io9.me PDF Tools lets you merge, split, rotate, and watermark PDF files without uploading anything to a server. All processing happens in your browser using pdf-lib, so your documents remain completely private.
Features
- Merge — combine multiple PDF files into a single document
- Split — extract individual pages or page ranges from a PDF
- Rotate — turn pages by 90°, 180°, or 270°
- Watermark — add text or image watermarks with adjustable opacity and position
- Drag-and-drop to reorder pages before merging
- Visual page thumbnail preview
- Download the processed PDF instantly
How to use
- Select a mode: Merge, Split, Rotate, or Watermark.
- Drag and drop PDF files or click to upload.
- Configure options (page range, rotation angle, watermark text).
- Click the action button to process.
- Download the result.
Privacy guarantee
Your PDFs are processed entirely in your browser. No files are uploaded to any server. This tool works even when you are offline.