Open a PDF, add text, whiteout, or highlight. Then save.
1. Upload a PDF. 2. Pick a tool (Text, Whiteout, Highlight). 3. Click or drag on the page. For text: click where you want to type, enter text, press Enter. For whiteout/highlight: click and drag to draw a rectangle. 4. Navigate pages with Prev/Next. 5. Click "Save PDF" to download your edited file.
Everything runs in your browser. Your PDF files are never uploaded anywhere.