Does Flatten PDF upload my files to a server?

No. Flatten PDF runs entirely in your browser using on-device processing, your files never leave your device.

Flatten PDF

Flatten fillable form fields into permanent, non-editable page content.

Runs in your browser

See it in action

Raw PDFPolished PDF

Drop a PDF here, or click to browse

Converts fillable form fields and their entered values into permanent, non-editable page content.

Fill PDF Form

Fill in a fillable PDF form's fields and download it completed.

Merge PDF

Combine multiple PDF files into a single document.

Split PDF

Extract pages or split a PDF into multiple files.

Compress PDF

Reduce PDF file size while keeping quality.