Install Zayenha Tools on your device
Quick access from your home screenPro text: multiple fonts, alignment, weight, color, live preview, click-to-position on PDF. Click "Choose file" or drag a PDF into the drop zone, then click the action button and download the result instantly. It all runs directly in your browser; your files are never sent to an external server. Free, with a one-time grant of 10 free operations.
Drop PDF files or click
Pro text: multiple fonts, alignment, weight, color, live preview, click-to-position on PDF
Yes, Add Text/Stamp is free. Registered users get 10 free operations, once, at no cost. Guests can preview the tool; running it needs a free account.
Yes, completely. Add Text/Stamp runs entirely inside your browser — your files and data are never sent to any external server and never leave your device.
Yes, the tool is fully responsive and works smoothly on all devices — mobile, tablet, and desktop. You can also install Zayenha Tools as an app on your device.
Only an initial connection is needed to load the page. After that, all data processing runs entirely on your device without requiring a continuous connection.