PDFora
Free forever · nothing uploaded

PDF Form Filler

This tool fills in a PDF's own interactive form fields — text boxes, checkboxes, radio buttons and dropdowns — directly in your browser, then locks the values in or leaves them editable, your choice. No signup, no watermark, and your file is never uploaded.

  • No signup
  • No watermark
  • No file limit
  • Free at download

Three steps

Fill in a PDF formin under a minute.

  1. Select your PDF, or drop it onto the page. It opens in your browser — nothing is uploaded.
  2. Fill in the fields shown — text, checkboxes, radio buttons and dropdowns are all detected automatically.
  3. Choose whether to lock the values in, then download the filled PDF.

Why use this tool

Fills in the formthat is already there.

A free online PDF form filler with no app to install. This is for a PDF that was built with real fillable fields — an application, a tax form, an intake sheet. If your PDF is just a flat page with no interactive fields, it needs a different tool.

  • Every field type detectedText boxes, checkboxes, radio buttons and dropdowns are all found automatically — no clicking around to find them.
  • Lock the values in, or notFlatten the form so it can never be edited again, or leave it open for someone else to keep filling in.
  • No blank form? No problemIf the PDF has no interactive fields, this tool says so and points you to the editor instead.
  • Nothing else changesOnly the fields you fill are touched — the rest of the document stays exactly as it was.

No interactive fields on your PDF?

The PDF editor can place text anywhere on the page by hand, which works on any PDF, form or not.

The question everybody asks

Is it really free?

Yes. No account, no trial, no watermark on the output, no cap on file size or page count, and no payment step between you and the download button.

It is free because it is cheap to run: your form is filled in and saved by your own browser, so there is no upload, no server doing the work and no storage to pay for. That is also why the privacy answer is short — the file never leaves your device.

Why this is free → How files are handled

FAQ

Questions peopleactually ask.

What if my PDF does not have fillable fields?

Then it isn't an interactive form — this tool will tell you and point you to the PDF editor instead, which can place text anywhere on the page by hand.

What does "lock the values in" (flatten) do?

It bakes your answers permanently into the page, the same way a printed and signed form works — the fields can no longer be edited afterwards. Turn it off if you want to send the file to someone else to keep filling in.

Which kinds of form fields does this support?

Text boxes, checkboxes, radio buttons and dropdown/list selections — the common AcroForm field types. A handful of rare or custom field types are not supported yet.

Is my form data uploaded anywhere?

No. The PDF is opened and filled in entirely in your browser tab; nothing is sent to a server.

Can I go back and change an answer after downloading?

Only if you left "lock the values in" switched off before downloading. With it on, the values are permanent, matching how a printed form behaves once signed.

Can I fill in the same blank form for more than one person?

Yes — leave "lock the values in" off, keep the original blank PDF, and repeat the process for each person from the same starting file.

Related tools

Filling in a form is one job.Here is the rest.

Dashed cards are in build — they are not links yet.