Question 1

Are my PDF files uploaded to a server?

Accepted Answer

No. The PDF Editor runs entirely in your browser. Your document is opened, edited and exported locally on your device.

Question 2

Do I need an account?

Accepted Answer

You can open and edit any PDF without an account. A free ToolOS account is only needed when you download the finished file — and your work is preserved while you sign in.

Question 3

Can I add a signature?

Accepted Answer

Yes. Use the Signature tool to draw your signature, then place and move it anywhere on the page before exporting.

Question 4

Can I reorder or delete pages?

Accepted Answer

Yes. The page sidebar lets you rotate, reorder, delete pages and insert blank pages before downloading.

Question 5

Is there a file size limit?

Accepted Answer

There is no hard limit, but very large PDFs depend on your device's memory since everything is processed locally.