🖋️

Doan 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.

Ez dago fitxategien tamaina mugarikFitxategiak pribatuak diraEz da saioa hasi beharBetiko libre

Jaregin fitxategiak hemen edo egin klik arakatzeko

PDF ez dago fitxategien tamaina mugarik

Arakatu fitxategiak

Zure fitxategiak ez dira inoiz zure gailutik irteten. Prozesamendu guztia zure arakatzailean gertatzen da lokalean.

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.

Optimize for your platform

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

Nola Funtzionatzen Du

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.