Frequently Asked Questions
Is this PDF Editor free to use?
Yes, TheFreeAITools PDF Editor is completely free. There are no hidden fees, watermarks, or subscription requirements. You can edit, merge, and sign PDFs unlimited times.
Is my data private and secure?
Absolutely. Privacy is our priority. Unlike many online tools, we do not upload your files to a server. All processing happens directly in your browser using client-side JavaScript. Your documents never leave your device.
Can I add my signature to a PDF?
Yes! Click the "Sign" tool in the left sidebar. You can draw your signature using your mouse, trackpad, or touch screen. Once drawn, you can place, resize, and position it anywhere on your PDF.
How do I merge multiple PDFs?
To merge PDFs, first open your main document. Then, click the "Merge PDF" button in the Pages sidebar. Select the additional PDF files from your computer, and they will be instantly appended to your current document.
Does this tool work on mobile?
Yes, our PDF editor is fully responsive and works on all devices, including smartphones and tablets (both iOS and Android). The touch controls are optimized for drawing and signing.