Fillable: Fill PDF forms from a spreadsheet, in your browser
Drop in a fillable PDF and a spreadsheet, and Fillable lines up each column with the matching form field. Review the mapping, then fill a single row or every row at once and download the result.
Your PDF and spreadsheet never leave this browser tab — there is no server to send them to.
Files are read with the browser's own File API, and the filled PDF you download is a new file created on your device.
How Fillable Works
Upload a fillable PDF and a data file in CSV, TSV, TXT, or Excel format. Fillable reads the column headers in your data and compares them with the field names inside the PDF, proposing a match for each one. Every pairing shows up in an editable table, so you can fix any mismatch before filling.
Fill One Form or Many at Once
Preview any row and fill just that one, or fill every row in the spreadsheet in a single pass. Filling all rows produces one PDF per row, packaged together into a zip file so you can download them all at once. Filling a single row is free, while filling every row at once is a one-time unlock for $24.
Control Font Size and Flattening
Set a fixed font size for filled-in text, or let Fillable auto-size each value to fit its field. Flattening turns the filled fields into permanent page content, so the result can no longer be edited as a form.
Runs Entirely in Your Browser
There is no server in the loop: your PDF and spreadsheet are read locally, the filled files are generated on your device, and nothing about their contents is transmitted anywhere.
Questions
What is Fillable?
Fillable is a free online tool that lets you fill one row for free with no sign-up using data from spreadsheets or CSV files. Filling every row at once and downloading the zip is available with a one-time unlock priced at $24.
Is my data secure?
All processing happens directly in your browser. Your files are never uploaded to any server, so your data stays private.
What file formats are supported?
You can upload PDF forms and data files in CSV, TSV, TXT, or Excel (.xlsx) format.
Can I adjust the font size?
Yes, you can set a fixed font size or use auto-sizing to fit text within each field.
Do I need to install anything?
No, Fillable works entirely in your web browser. Just visit the site and start filling forms.
Start with your file type
Upload an Excel (.xlsx) file and a fillable PDF to auto-match columns to form fields and generate filled PDFs, right in your browser. Free, no sign-up.
Upload a CSV file and a fillable PDF to auto-match columns to form fields and generate filled PDFs, right in your browser. Free, no sign-up.
Turn every row of a spreadsheet into its own filled PDF, then download the whole batch as a single ZIP file, right in your browser. Single-row filling is free; batch filling is a one-time unlock at $24, with no sign-up or subscription.
Auto-shrink text to fit PDF form fields, or pin a fixed font size yourself, so filled-in answers never spill past the edge of a box. Free, no sign-up.