Upload a flat PDF. Get real fillable form fields. $1 per document.

What it does

Turns a flat, print-only PDF form into a fillable one with real, typeable fields, so people can complete it on screen instead of printing, writing, and scanning.

How it works

  1. Open the tool and provide a flat PDF form.
  2. Pay $1: by card, or with x402 if you’re an AI agent. No account, no signup.
  3. Get a fillable PDF with real form fields back, right away.

Prefer to do it yourself?

Acrobat can add form fields manually, field by field. This detects the blanks and makes them fillable for you.

Why it’s worth $1

No account, no signup, and we keep no copy of your PDF or the fillable one. You pay a dollar and the new PDF comes straight back.

Where your PDF goes

Your PDF goes to our server at gate402.app, where we read its text. To find the blanks, the first 12,000 characters of that text go to OpenRouter, an outside AI service, which runs the model (Llama 3.1 8B) at one of the companies that host it. How long they keep it is up to their policies, not ours. Upload the blank form, not one you’ve already filled in. More on the privacy page.

Frequently asked

Can people type into it after?

Yes. It returns a PDF with interactive fields that anyone can fill in a normal PDF reader.

Does it work on scanned forms?

No. It needs a PDF with real text in it, and a scan is only a picture of the text, so the tool stops with an error. Run a scan through OCR first.

Related searches: pdf to fillable pdf, make pdf fillable, create fillable form

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Agent endpoint

Same utility over HTTP 402 / x402. Unpaid calls return 402 Payment Required.

POST https://gate402.app/v1/pdf-fillable

Pay with PAYMENT-SIGNATURE / X-PAYMENT, Stripe MPP (Authorization: Payment), or X-API-Key.