How to edit a PDF
Edit a PDF right in your browser: add new text anywhere, cover old content with whiteout, drop highlights over important lines and place images or logos on the page. Everything is baked into the real PDF when you download — and because it all runs on your device, your document never leaves your computer.
Try Edit PDF now →Step by step
- 1Open the Edit PDF tool and upload your PDF.
- 2Pick a tool from the toolbar — Text, Whiteout, Highlight or Image — and click on the page to place it.
- 3Drag to position, use the corner handle to resize, and use the side panel to change the font, size or color of text.
- 4To replace existing words: cover them with a Whiteout box, then place Text on top.
- 5Click “Apply & download” — your edits become a permanent part of the PDF.
FAQ
Can I change text that's already in the PDF?
You can cover any existing text with a whiteout box and type new text over it — the classic PDF-editing technique. True in-place text editing of the original characters isn't possible in a flattened PDF, but the whiteout approach produces a clean result that prints perfectly.
Will people see that the PDF was edited?
Your edits are drawn into the PDF's own content, the same way desktop editors do it. Match the font and size to the surrounding text for the most seamless result.
Does editing upload my PDF anywhere?
No — the whole editor runs in your browser. The file, your edits and the final download never leave your device.
Is the PDF editor really free? Any watermark or trial?
Completely free — no watermark on the edited PDF, no trial period, no locked features and no sign-up. Edit as many documents as you like.
Can I edit a PDF without installing any software?
Yes. Everything runs in your web browser on Mac, Windows, Linux, Chromebook or a phone — there's nothing to download or install.
Is pdfcdf free to use?
Yes. Every tool on pdfcdf is completely free, with no account, no watermarks, and no limits on how many files you process.
Are my files safe? Do they get uploaded?
Your files never leave your device. Every tool runs entirely in your browser, so your documents are processed locally and are never uploaded to a server or seen by anyone.
Do I need to create an account or sign up?
No. pdfcdf works instantly with no sign-up, no email, and no software to install — just open the tool and go.
Does it work on mobile phones and tablets?
Yes. pdfcdf runs in any modern browser on phones, tablets, Mac, Windows and Linux — nothing to download.
Ready to edit pdf?
Open Edit PDF →