Fill out PDF forms online
Open a PDF form in your browser, type into the fields, and download the filled version. Works offline. No signup, no upload.
Files are processed entirely in your browser. Nothing is uploaded to any server.
About this tool
PDF forms are everywhere — tax returns, rental agreements, job applications, insurance claims. When a form lands in your inbox, the last thing you want is to print it, write on it by hand, and scan it back. Fill PDF lets you open any PDF that has form fields directly in your browser and type into them just as you would in a desktop reader.
Text fields, checkboxes, radio buttons, and dropdown lists are all supported. Tab through the fields in reading order, or click directly on any one. When you finish, you can optionally flatten the form before downloading — flattening converts every field into static content so the values are locked in and can't be altered by the recipient.
Because everything happens inside the browser tab, the file never travels to a server. There is nothing to upload, no queue to wait in, and no account to sign in to. The tool continues to work offline once the page has loaded.
How it works
- 1
Open your PDF
Drag the PDF onto the page or click to choose a file.
- 2
Fill the fields
Type into text fields, tick checkboxes, choose from dropdowns.
- 3
Download
Click Download to save your filled PDF. Optionally flatten it first to lock the values.
Frequently asked questions
Are my files uploaded anywhere?
Can I flatten the form so values can't be edited?
Does it work on scanned PDFs?
Can I fill multiple PDFs at once?
Will it work offline?
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Embed this tool
Let your visitors use Fill PDF without leaving your site. Paste the snippet below into any HTML page. Files stay private — everything runs in the visitor's browser.
<iframe
src="https://pdfwox.com/embed/fill-pdf"
width="100%"
height="600"
style="border:none;border-radius:8px"
title="fill-pdf tool"
allow="downloads"
loading="lazy"
></iframe>
<script>
window.addEventListener('message',function(e){
if(e.data&&e.data.type==='privpdf-resize'){
var f=document.querySelector('iframe[src="https://pdfwox.com/embed/fill-pdf"]');
if(f)f.style.height=e.data.height+'px';
}
});
</script>The embed runs entirely in the visitor's browser — no files are uploaded. The iframe resizes automatically to fit its content via postMessage.
Deeper guide