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Quality of results

• PDF to Word, Excel, PowerPoint and Markdown: layout, fonts and tables are rebuilt and may differ from the original.
• Word, Excel and PowerPoint to PDF: fonts that aren't on your device are replaced with similar ones, so spacing can differ; animations and videos are left out.
• OCR (text recognition): may misread letters, numbers, names and handwriting, especially in poor photos. Words it is unsure of are shown so you can check them.
• Background remover and passport photos: may leave small patches or cut hair; use Touch up and check the photo before printing.
• Compress and resize: smaller files mean lower quality; check that the result is still clear.

Sizes and rules

Exam, passport and Visa sizes are guidance from the official sources we link, with the date we checked them. Authorities change their rules; always follow the latest official notice. PDFtoOne is not connected to any government, exam board, embassy or Visa centre, and does not guarantee acceptance of any document.

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Legal effect

Nothing on PDFtoOne is legal, financial or professional advice. Signatures made with Sign PDF are simple electronic signatures, not certified digital signatures.

Last updated 2 November 2026. Full terms: Terms of use.