Local when possible
Supported work happens in your browser, so documents stay on your device.
A calmer place for PDF work.
Doruni brings focused, free PDF tools together in one calm place. No account, no clutter, and local processing whenever your browser can do the work.
Choose a PDF tool.
Straightforward tools for the PDF tasks you need most often.
Crop PDF
Trim page edges visually without sending the document away when supported.
Remove PDF Pages
Review page thumbnails and keep only the pages you need.
Rotate PDF
Turn individual pages or a whole document into the right orientation.
Add Page Numbers
Choose numbering, placement and page range with a clear preview.
Watermark PDF
Place text or an image across selected pages with explicit controls.
Free without an account
Use public tools without creating a profile or entering payment details.
Honest about limits
Compatibility risks and server processing will be clear before file selection.
If your browser can do the work, your document should stay there.
PDFs can contain sensitive material. Every tool will explain where processing happens and what may change before a document is selected.
Choose a specific task
Start with the page operation you need, not a generic upload box.
Process locally when possible
Browser-capable tasks keep the original document on your device.
Review before download
Preview the affected pages and understand compatibility limits.