Frequently Asked Questions
Is Flatten PDF completely free?
Yes, Flatten PDF is 100% free to use. There are no hidden charges,
subscriptions, or limits on the number of files you can process.
How does Flatten PDF handle my privacy?
Your privacy is our top priority. Unlike other online tools, we do not
upload your files to any server. All processing happens locally within your browser
using basic JavaScript technologies, ensuring your data never leaves your device.
Can I use Flatten PDF offline?
Absolutely. Once this page is loaded, the tool works fully offline. You can even
disconnect your internet (though some features like ads might be disabled) and continue working
securely.
Are there any file size limits?
Since we process files on your device to ensure speed and privacy, the limit
depends on your computer's memory (RAM). Generally, files up to 100MB-200MB are handled smoothly by
most modern browsers.