Annotate PDF Online

Draw, write, highlight, sign, stamp, insert images, add links and sticky notes — all processed locally in your browser.

Everything You Can Do

✏️

Freehand Draw

Draw freely on any page with custom color and stroke width.

🧹

Eraser

Remove any drawn mark precisely without affecting the original PDF.

Add Text

Place a text box anywhere on the page with custom font size and color.

✍️

Edit Text

Click an existing text annotation to edit its content in place.

🖊️

Digital Signature

Draw, type, or upload your signature then click to place it.

📏

Line Tool

Draw straight lines with solid, dashed, dotted, or arrow styles.

🟡

Highlight

Draw a semi-transparent highlight block over any area.

🔆

Text Highlight

Overlay a color highlight directly on text passages.

🖼️

Insert Image

Upload any image and click the PDF to place it exactly where you want.

📌

Stamps

Apply pre-built stamps: Approved, Rejected, Draft, Confidential, and more.

🔗

Hyperlinks

Add a clickable URL link annotation to any region of the PDF.

💬

Sticky Notes

Attach a collapsible note comment to any position on the page.

↩️

Undo / Redo

Step backward or forward through your annotation history.

💾

Save & Download

Export the annotated PDF with one click — auto-downloads instantly.

Frequently Asked Questions

The editor includes freehand drawing, eraser, text boxes, text editing, digital signatures, straight lines (solid/dashed/dotted/arrow), area highlights, text highlights, image insertion, pre-built stamps (Approved, Rejected, Draft, Confidential, etc.), clickable hyperlinks, and sticky notes — plus full undo/redo support.

Select the Sign tool in the toolbar. A modal will open where you can draw your signature with a mouse or touch, type it in a handwriting style, or upload an image of your signature. Once created, click anywhere on the PDF page to place it at that exact position.

Yes. Select the Edit Text tool and click on any existing text annotation. The text editor popup will reopen with the current content pre-filled so you can change the text, size, or color.

Click the Image tool in the toolbar, choose an image file from your device, then click the exact spot on the PDF where you want to place it. The image is dropped at your click position. Re-clicking the Image button when an image is pending clears the selection and lets you choose a different image.

The Stamp tool includes: Approved (green), Rejected (red), Draft (orange), Confidential (red), For Review, Void, Received, Paid, and Not Approved. Click a stamp then click the PDF to place it.

Yes. The Line tool supports four styles selectable from a dropdown: solid, dashed, dotted, and arrow. Choose your preferred style before drawing.

No. All annotation processing happens entirely inside your browser using JavaScript. Your file never leaves your device.

Yes. The Eraser tool lets you remove individual drawn marks. The Undo button (or Ctrl+Z) steps back through your history one action at a time, and Redo restores undone changes.

Click the Save PDF button in the top toolbar. The annotated file is generated in your browser and automatically downloaded to your device — no extra click needed.

Yes, though for performance reasons the page-thumbnail panel loads a maximum of 50 thumbnails. You can still navigate to all pages using the arrows or by typing a page number.