Is my file uploaded to a server?

No. This tool runs entirely in your browser via WebAssembly — your file never leaves your device. You can verify this in your browser's DevTools Network tab.

What can I add to a PDF?

Text, sticky notes, highlights, freehand drawing, shapes, and images.

Can I edit the existing text in the PDF?

This is an annotation editor — you add on top of the PDF. To edit real text in place, use the cloud Edit PDF tool.

PDF'e Açıklama Ekle

PDF'lerinize açıklama ekleyin, vurgulayın, çizin ve işaretleyin.

Yerel işleme — dosyalarınız tarayıcınızdan asla ayrılmaz