Frequently Asked Questions

Yes, every tool on PDF Pro is 100% free, forever. No subscriptions, no premium plans, no hidden fees.

No account, no registration, no login required. Just visit any tool and start working immediately.

PDF Pro works on all modern browsers — Chrome, Firefox, Safari, Edge 90+. Mobile browsers are fully supported.

The main PDF tools require a browser but no internet connection after the page loads. The translator needs internet for best results but has an offline fallback.

Yes. All PDF processing happens entirely within your web browser. Files never leave your device and are never uploaded to any server.

Never. Files are processed in browser memory and cleared as soon as you close or refresh the page.

No. We never see your file content. For translation, text may be sent to a translation API, but we do not intercept or log it.

Yes, PDF Pro is served over HTTPS ensuring encrypted communication between your browser and our servers.

You can process PDF files up to 500 MB. Very large files may take longer depending on your device performance.

You'll need to unlock the PDF first using the Unlock PDF tool, then compress it.

PDFs containing mostly images or already-compressed content may not reduce significantly. Try a lower quality setting for more compression.

Yes — you can merge as many PDFs as you like in a single operation.

Basic text formatting is preserved. Complex layouts with advanced styling may be simplified.

Currently English ↔ Hindi translation is supported. More language pairs may be added in future updates.

Accuracy depends on the translation method used. When online translation services are available, accuracy is good. The offline fallback uses a dictionary and is suitable only for simple text.

No — scanned PDFs are image-based and contain no selectable text. The translator can only work with PDFs that have actual text content.

The translated PDF is a new document containing only the translated text. Original PDF formatting, fonts, and layout are not preserved.