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Form Filler

Fill PDF forms online. Complete interactive PDF forms without printing.

Upload PDF Form

Drag and drop a PDF form here.

API para desenvolvedores

Disponível via API

Automatize este fluxo PDF com a API PDF Tools. Cada requisição bem-sucedida custa 1 Credit e falhas de processamento são reembolsadas automaticamente.

/api/external/pdf-tools/form-filler1 Credit por requisição bem-sucedidaSaída: result.pdf
Documentação da APIObter API Key
curl -X POST https://itextmaster.com/api/external/pdf-tools/form-filler \
  -H 'x-api-key: YOUR_API_KEY' \
  -F 'file=@input.pdf;type=application/pdf' \
  -F 'options={"fields":{"name":"Jane Doe","email":"jane@example.com"}}' \
  --output result.pdf

Sobre esta ferramenta

Form Filler allows you to complete interactive PDF forms directly in your browser. Fill text fields, check boxes, select options, and add signatures without printing the document.

The tool supports standard PDF forms and XFA forms. Your filled data can be saved and the form can be flattened to prevent further editing.

All processing happens locally in your browser, ensuring your form data remains private.

Como usar

  1. Upload Your PDF Form

    Drag and drop your PDF form or click to select the file.

  2. Fill the Form

    Click on form fields to enter text, check boxes, or select options.

  3. Save and Download

    Click Save to preserve your entries and download the filled form.

Casos de uso

Application Forms

Complete job applications, permit applications, and registration forms.

Tax Forms

Fill out tax documents and financial forms electronically.

Contracts

Complete contract forms with your information before signing.

Practical guide

Why choose local processing?

  • Fillable PDF forms can contain contracts, invoices, identity details, or internal business information, so keeping processing in the browser reduces exposure.
  • The website tool is free to use with no usage limits and does not require sign-in.
  • Local processing also keeps iteration fast: adjust options, preview the result, and export a filled PDF form without waiting for an upload queue.

Best files for this tool

  • Best for PDF files that open correctly in a modern browser and are not intentionally damaged or restricted.
  • Works well for everyday business, school, legal, finance, and personal documents where you need a filled PDF form.
  • For very large files, close unused tabs and process one batch at a time so the browser has enough memory.

Common limitations

  • Encrypted or permission-restricted PDFs may need to be unlocked before processing.
  • Scanned pages, unusual fonts, complex layers, and damaged files can reduce accuracy or processing speed.
  • Browser memory and device performance matter more for local tools than for upload-based services.

Local processing vs upload-based tools

  • Local tools keep routine website processing on your device, while upload-based tools send files to a remote server.
  • Upload-based services can move heavy work off your computer, but they add transfer time and require trusting a server with your files.
  • Use the API when you intentionally need server-side automation; use the website when you want private manual processing.

What to do if processing fails

  • Try a smaller file, a shorter page range, or one file at a time if the browser runs out of memory.
  • If a PDF is encrypted, damaged, or restricted, unlock or repair it first and then retry the workflow.
  • If the output looks wrong, check whether the source file uses scans, complex transparency, form fields, or unsupported embedded objects.

API automation

Automate complete form fields with the PDF Tools API. Each successful request uses 1 Credit, and every signed-in user receives 100 free API Credits each month.

View API automation docsCreate API Key

Perguntas frequentes

Can I save my progress?

Yes, you can save partially filled forms and continue later.

What is form flattening?

Flattening converts form fields to static content, preventing further editing.

Are XFA forms supported?

Yes, the tool supports both standard AcroForms and XFA forms.

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