PDFree › Blog › How to Fill a PDF Form
5-minute read · Updated May 2026
Adobe Acrobat costs $20–$25/month just to fill and save PDF forms. You don't need it. Any PDF form — job applications, government documents, rental agreements, tax forms — can be filled for free in your browser in under two minutes.
Try it now — no account needed
Your file stays in your browser. Nothing is uploaded.
Fill PDF Form — FreeAdobe Reader (the free version) can only fill interactive PDF forms — PDFs that were specifically built with fillable fields. The moment someone sends you a scanned form, a printed form saved as PDF, or a simple flat PDF with lines and boxes, Adobe Reader offers nothing.
PDFree overlays text, check marks, and symbols directly on top of the PDF image — which means it works on any PDF regardless of whether it was built with interactive fields.
Go to pdfree.io/annotate-pdf/. No sign up, no download, no extension.
Click "Choose files" or drag the PDF onto the page. The document renders instantly inside your browser — nothing is sent to a server.
In the toolbar at the top, tap the T icon. This puts you in text mode — click anywhere on the PDF to place a text box.
Click on each form field and type your name, date, address, or any other required information. You can drag the text box to reposition it precisely.
Switch to the Check (✓) or Cross (✗) tool to mark checkbox fields. Click once on the checkbox area to place the symbol.
Click "Apply & Download". Your filled PDF saves directly to your device — ready to email, print, or upload.
Filling PDF forms on a phone is hard — fields are small and easy to miss. PDFree has two features that help:
PDFree never uploads your file. The entire tool runs as client-side JavaScript — your PDF is processed in your browser's memory, on your device. No server receives it. This makes PDFree safe for sensitive documents like tax forms, medical intake forms, rental applications, and financial documents.
Compare this to most "free" PDF tools, which require uploading your document to their servers — where it may be stored, logged, or analyzed.
Ready to fill your form?
Free, private, no account. Works on desktop and mobile.
Open PDF Form Filler