Bulk Personalised Watermark

Runs locally

Bulk watermark question papers with a student roster CSV.

Upload a PDF and a class roster (CSV). Each student gets their own copy, watermarked with their name and roll number.

1. PDF to share

Choose PDF

2. Student roster

Choose CSV roster

Columns: name, roll, class, email. A header row is detected automatically.

How it works

The file is read in your browser. Nothing is sent to a server.
Processing runs on your device. WebAssembly and Web Workers keep large files responsive.
Download the result. Your file is not kept once you close the tab.

Next steps

Edit PDF text, add shapes, forms, links, whiteout, and sign documents online.

Stamp a text watermark on every PDF page.

Add page numbers to your PDF document.

PDF Form Builder

Design and build interactive fillable PDF forms visually.