Answers
Frequently Asked Questions
Privacy, file limits, browser support, and how each tool processes documents.
No account or registration is required. See our privacy policy for website analytics and advertising.
No. All processing uses PDF.js and pdf-lib directly in your browser. Files never leave your device.
OCR uses Tesseract.js to analyze each page locally. Recognition speed depends on your device and page content.
Yes. The workspace is responsive and supports drag-and-drop, tap-to-browse, and touch signature drawing.
Merge accepts up to 25 PDFs, each up to 100 MB. OCR and Compare accept PDFs up to 80 MB per file. DOCX and image inputs accept up to 50 MB per file. Check the limit shown on your tool. Available device memory can impose a lower practical limit.