How to Edit a PDF: Type on It, Add Text, Fill Forms — Free, in Your Browser
Published November 3, 2026 · By Ahmad Parvez
"Edit a PDF" covers four different jobs, and the right steps depend on which one you have: fixing text that is already on the page, adding new text, dropping in a picture or signature, and filling a form. This guide walks through each one with the free editor on this site — no installation, no account, no upload — then covers phones, scanned documents and the files that refuse to open.
Edit text that is already in the PDF
- Open the pdf editor and drop your PDF onto the page (or tap to browse for it).
- Click or tap any word on the page. The whole text block selects — retype it with the correct text.
- The new text inherits the original font size, colour and position, so a corrected name, date or price sits exactly where the old one was.
- To restyle a paragraph as one piece, use paragraph mode: select the full block, edit it as flowing text, and the lines re-wrap inside the same space.
- Download the edited PDF and open it once to check the pages you touched.
This is the job desktop software charges a subscription for — correcting a contract date, updating a price list, fixing a name on a certificate — and it is the one most people mean by "PDF editor".
Add new text to a PDF
For text that does not exist yet — filling a blank line on a printed-style form, adding a note, writing today's date next to a signature line:
- With the PDF open in the editor, choose the add-text tool and click where the text should go.
- Type your text, then set its size and colour to blend with the document (or stand out, for annotations).
- Drag the box to position it precisely — zoom in for baseline alignment with the printed line.
Insert a picture into a PDF
Drop an image — a logo, a product photo, an ID scan — onto any page, then drag it into place and resize it by the corners. Pictures are embedded into the PDF itself, so the file you download carries them permanently. This is also how you place a scanned signature image onto a document: insert it over the signature line, sized to the line.
Fill in a PDF form
Two kinds of form exist. Interactive forms have real fields — click each box and type; the editor keeps the field structure. Flat forms are just printed lines (common with scanned or older government forms): use the add-text tool to type onto each line, exactly as above. Either way, save a copy before you start if the original matters, and check dropdowns and checkboxes rendered correctly in the downloaded file.
How to edit a PDF on your phone
The editor is a web page, so the phone workflow is the same as the desktop one: open it in the phone's browser, pick the PDF from Files/Downloads (or the app that sent it to you), tap text to edit, and download the result back to the phone. Two phone-specific tips: work in landscape for wide documents, and pinch-zoom before placing added text — placement precision is the whole game on a small screen. Nothing is uploaded at any point, which matters when the document is personal.
Scanned PDFs are different
If tapping the text selects nothing — or the whole page moves as one picture — your PDF is a scan: a photograph of a document, with no text layer to edit. Editing a scan needs OCR first (technology that reads the picture and rebuilds it as text). That is a separate tool on this site, the scanned PDF editor, built specifically for scans; this editor handles the digital, born-as-text PDFs. A quick test: if you can select words in your normal PDF viewer with the text tool, it is a digital PDF and this editor will work on it.
What editing is not: redacting and deleting comments
Two neighbouring jobs have their own tools, because doing them inside a general editor leaves traces. To black out sensitive text permanently (so it cannot be copied back out from under the box), use the dedicated redaction tool linked from the editor page — drawing a black rectangle in an editor only hides text visually. To strip comments and annotations out of a file someone marked up, use the remove-annotations tool rather than deleting comments one by one.
Password-protected PDFs
If a PDF asks for a password before it opens, the editor cannot open it either — that is the protection working as intended. Open it in a viewer with the password, print it to a new PDF (which produces an unlocked copy), and edit that. If you set the password yourself and have forgotten it, there is no honest shortcut; recover it from wherever you stored it.
Frequently asked questions
How can I edit a PDF for free?
Open the free pdf editor on this site in your browser, drop in the file, and tap any text to retype it — the replacement keeps the original font size, colour and position. You can also add new text, insert pictures and fill forms, then download the result. No sign-up, no watermark, and the file is never uploaded.
How do I type on a PDF?
If the words already exist, click them in the editor and retype. If you need words in a blank space — a form line, a date next to a signature — choose the add-text tool, click where the text belongs, type, and drag the box into exact position. Zoom in to align with the printed line.
Can I edit a PDF on my phone?
Yes — the editor runs in a mobile browser with nothing to install. Open it, choose the PDF from your files, tap text to change it, and download the edited copy to the phone. Landscape orientation and pinch-zoom make precise placement much easier on a small screen.
Why can't I select the text in my PDF?
The file is almost certainly a scan — a picture of a page with no text layer — so there is no text to select or edit. Scanned PDFs need OCR treatment first; use the scanned PDF editor on this site, which is built for exactly that case.
Can I fill out a PDF form without printing it?
Yes. Interactive forms let you click each field and type directly. Flat forms (printed lines only) take the add-text approach: type onto each line with the text tool. Both finish as a completed PDF you can email — no printer, no handwriting, no scanning it back in.
Is it safe to edit a PDF online?
It depends where the file goes. This editor processes the document entirely in your browser — the file is never uploaded to a server, which you can verify by loading the page and switching your connection off before editing. Editors that upload your document to their cloud are the ones to read a privacy policy for.
Start editing, or stamp a production
The editor is one click away; Bates numbering is the other PDF job with its own guide.