Frequently Asked Questions
Are my files uploaded to any server?
No. All processing happens inside your browser. Your files never leave your device.
Is PDF Toolbox really free?
Yes. All tools are completely free with no hidden costs, no ads, and no sign-up required.
Can I edit a PDF without installing software?
Absolutely. Use our PDF Editor to add text or signatures directly in your browser.
What file types are supported?
You can work with PDF, JPG, and PNG files.
Does PDF Toolbox work on mobile?
Yes. The site is fully mobile‑friendly.
How do I merge PDFs for free?
Simply drop multiple PDFs into the Merge PDF tool. They will be combined instantly in your browser.
Will the merged PDF keep original quality?
Yes. The merge process preserves the original PDF content without any quality loss.
How do I split PDF pages?
Drop the PDF and enter the page range (e.g., 1,3-5). The selected pages will be extracted into a new PDF.
Can I convert multiple images to a multi-page PDF?
Yes. Drop your JPG/PNG images into the JPG to PDF tool, and they will be combined into a single PDF.
Does PDF to Text work with scanned PDFs?
Only text-based PDFs are supported. For scanned images, OCR is not available.
Can I remove existing text from a PDF?
Our PDF Editor allows you to add new text or signatures, but it cannot delete existing content.
Is my signature saved anywhere?
No. The signature is embedded directly in the downloaded PDF and not stored on any server.
How are images resized?
Enter the desired width and/or height in the Resize Image tool. Aspect ratio is maintained if only one dimension is given.
Can I undo a crop?
Cropping is permanent; a new image is created. Keep a copy of the original if you need to undo.
Does this website work offline?
Yes! Once the page is loaded, you can disconnect from the internet and all tools will still work.