NoLogPDF

Local browser workspace

Fast, free, browser-only tools. Your files stay on your device.

Edit PDF Browse all tools

61 browser tools Works on mobile Free to use

No File Logs

We do not upload, store, or track the files you process.

No Backend

All processing happens inside your browser.

100% Free

Every tool is free. No hidden costs.

Total Transparency

Built for trust with clear local limits.

Edit PDF / Stable

Flatten a PDF Online

Flatten supported form fields and annotations into static page content in a new PDF.

Quick answer

What does Flatten PDF do?

Flatten supported form fields and annotations into static page content in a new PDF. The selected PDF is processed locally in this browser without being sent to a backend conversion server. Unsupported annotation appearances or XFA forms may not flatten as expected.

Use Flatten PDF when you need to convert supported interactive fields into fixed page content. Common uses include lock completed form appearances for sharing, create a print-ready copy, reduce accidental edits to supported fields.

Input: PDF
Processing: In this browser
File upload: No
Price: Free

Designed around the task

Why use Flatten PDF?

Focused controls, local processing, and clear limits help you finish the job without sending the document to a conversion server.

Focused results

Converts supported form appearances into fixed page content.

Useful browser controls

Removes editability from flattened fields in the output copy.

Desktop and mobile

Use Flatten PDF in a current desktop or mobile browser without installing a separate app.

Simple local workflow

Create an output you can inspect before sharing.

Private by design

The selected PDF is processed by JavaScript running in this browser for Flatten PDF. NoLogPDF does not send it to a backend conversion API, and file names, contents, form values, passwords, and output data are excluded from site analytics.

Automatic file recognition

NoLogPDF checks the selected file in your browser and shows the controls available for Flatten PDF.

How to use Flatten PDF

Choose a PDF file.
Review which supported interactive content is present.
Choose the flatten action.
Download and inspect the static PDF.

What Flatten PDF changes

Converts supported form appearances into fixed page content.
Removes editability from flattened fields in the output copy.

Browser-only privacy

Limits to know before using Flatten PDF

Unsupported annotation appearances or XFA forms may not flatten as expected.
Flattening is difficult to reverse, so keep the original editable PDF.

Common uses for Flatten PDF

Lock completed form appearances for sharing.
Create a print-ready copy.
Reduce accidental edits to supported fields.

Next step: Continue this workflow with Remove Annotations.

Flatten PDF questions

How does Flatten PDF work?

Flatten supported form fields and annotations into static page content in a new PDF. Choose a PDF file. Review which supported interactive content is present. Choose the flatten action.

Does Flatten PDF upload my PDF?

No. The selected PDF is read by code running in this browser for this operation. NoLogPDF does not send it to a backend conversion API or include document data in analytics.

What does Flatten PDF change in the output?

Converts supported form appearances into fixed page content. Removes editability from flattened fields in the output copy.

What limits should I know before using Flatten PDF?

Unsupported annotation appearances or XFA forms may not flatten as expected. Flattening is difficult to reverse, so keep the original editable PDF.

Published and maintained by NoLogPDF

How this tool page is checked

The instructions describe this browser implementation, its expected output, and its known limits. Core workflows are exercised with local fixtures, output files are validated where the format allows, and mobile behavior is checked at a narrow viewport.