Is ModifyPDF free to use?

Yes. ModifyPDF is a free online PDF editor. Import or drag and drop a PDF, add text, signatures, highlights, checkboxes, images and drawings, then download the edited file at no cost.

Do I need to create an account?

No account is required. Open modifypdf.xyz in your browser, import your PDF and start editing immediately.

Are my PDF files uploaded to a server?

Your PDF is processed entirely in your browser on your device. It is never uploaded to a server, which keeps your documents private while you work.

Can I drag and drop a PDF to import it?

Yes. Drag and drop a PDF file onto the editor workspace or use the Import PDF button.

Can I highlight text in a PDF online?

Yes. Use the Highlight tool to drag over any area on the page. You can change the highlight color from the page toolbar.

Is ModifyPDF safe for confidential documents?

Yes. ModifyPDF processes your PDF locally in your browser. Your file is never sent to a server, so confidential documents stay on your device.

Which browsers are supported?

ModifyPDF works in modern browsers such as Chrome, Firefox, Safari and Edge. JavaScript must be enabled.

ModifyPDF - free online PDF editor

Edit PDF files online at modifypdf.xyz. Import or drag and drop a PDF, add text, electronic signatures, initials, highlights, checkbox annotations, images, cross marks and freehand drawings, then download the updated document. No account required. Your PDF is processed locally in your browser and never uploaded to a server. Works in Chrome, Firefox, Safari and Edge.

PDF editor features

Import or drag and drop PDF files
Add text with custom size and color
Draw and save signatures and initials
Highlight areas with custom colors
Place checkbox annotations
Insert images on any page
Place cross marks and freehand drawings
Append or delete PDF pages
Zoom, move, resize, undo and redo edits
Download edited PDF instantly
Processed locally — never uploaded

Frequently asked questions

Is ModifyPDF free?: Yes, ModifyPDF is a free online PDF editor with no signup required.
Are PDFs uploaded to a server?: No. Your PDF is edited locally in your browser and never leaves your device.
Can I highlight or add checkboxes to a PDF?: Yes. Use the Highlight and Checkbox tools to annotate any page.
Can I sign a PDF online?: Yes, draw or save signatures and initials, then place them on any page.