Core editor
Edit your PDF without uploading it anywhere
Add text blocks, images, shapes, freehand drawings, and signatures to any page. Everything happens locally, in this browser tab.
100% Secure — files never leave your device
How it works
- 1
Drop your PDF
Choose or drag a PDF file in. It loads directly into your browser’s memory.
- 2
Add your annotations
Insert text, images, shapes, freehand drawings, or a signature on any page.
- 3
Save & download
Click Save & Download to generate the edited PDF and send it straight to your device.
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Frequently asked questions
- Can I add a signature to my PDF?
- Yes. Use the Sign tool to draw a signature, which is then placed on the page like an image and reused for the rest of your session.
- What image formats can I insert?
- You can insert JPG and PNG images anywhere on a page, for example a logo or a stamp.
- Is my edited PDF uploaded anywhere when I click Save & Download?
- No. The final PDF is assembled entirely in your browser and handed directly to your browser’s download mechanism.