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Gratuït PDF Form Filler

Fill in an interactive PDF form and optionally flatten it so the answers can't be edited. Runs entirely in your browser — the document is never uploaded.

Sense límit de mida de fitxerEls fitxers es mantenen privatsNo cal iniciar sessióGratuït per sempre

Deixa els fitxers aquí o fes clic per navegar

PDF sense límit de mida de fitxer

Navegar pels fitxers

Els teus fitxers no surten mai del teu dispositiu. Tot el processament es fa localment al teu navegador.

Fill in a PDF form, then optionally flatten it so the fields can't be edited again. Everything happens in your browser — the PDF is never uploaded.

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Fill a Tax Form Complete an Application Form Fill and Lock a Contract Flatten a PDF Form Fill a Form You Use Often

Com funciona

Acrobat charges for filling and flattening forms, and iLovePDF gates flatten behind a sign-up. This fills interactive PDF forms and flattens them with pdf-lib, entirely in your browser.

1
You drop in a fillable PDF
The form fields (AcroForm) are read locally with pdf-lib — text boxes, checkboxes, dropdowns, radio buttons.
2
You fill in the fields
Each field is shown as an editable input, pre-filled with any existing value. Nothing is uploaded.
3
Values are written back
Your answers are written into the form. Optionally, the form is flattened — baking the values into the page so they can't be edited.
4
You download the result
The filled (and optionally flattened) PDF is offered for download.

Forms hold personal data — tax info, applications, contracts. Filling them on a server means uploading all of it. Here everything stays on your device, and flattening ensures recipients can't alter your answers.