Add text, images, signatures, highlights, underlines, and sticky notes to any PDF document. No software, no signup, no upload to any server.
Drag & drop your PDF here, or click to browse
Professional annotation and editing tools — all running in your browser.
Click anywhere on the PDF to add text. Change font, size, color, bold, italic — full control.
Draw or type your signature with background color matching to blend seamlessly with the page.
Insert any image, drag to reposition, and resize using the corner handle.
Select highlight color and drag across any area of your PDF to mark important sections.
Draw underlines in any color under any text or section of the document.
Add resizable sticky notes anywhere on the page — perfect for comments and reminders.
Freehand drawing tool with adjustable brush size, color, and opacity.
Undo any action with Ctrl+Z. Save your finished PDF with all annotations embedded.
Modifying your documents should not require complex software installation or expensive licensing fees. Whether you need to make quick adjustments, annotate text, or manage document layouts, our Online PDF Editor provides a frictionless experience right inside your browser window.
Editing sensitive contracts, resumes, or financial reports requires maximum security. AIFreePDF processes your files directly on your device using client-side execution. Because nothing is uploaded to an external server, your private data remains completely confidential.
Drop your target PDF file into the editor zone, make your required updates using our user-friendly interface, and save your changes instantly. No accounts, logins, or software setups are required to get started.
Take control of your files today with AIFreePDF — the secure, private, and developer-backed choice for all document modifications.
Drag & drop or click to browse. Your file is loaded directly in your browser — nothing is sent to any server.
Use the toolbar to add text, images, signatures, highlights, underlines, sticky notes, or freehand drawings.
Click "Save PDF" — all your annotations are embedded into the PDF and downloaded to your device instantly.