How to scan paper documents into a clear PDF

Set up a simple capture area

Place the paper on a flat surface with a contrasting background. Use bright, even light from both sides when possible and move the camera until shadows and reflections disappear.

Keep the camera parallel to the page. A tilted capture makes lines converge and can reduce both readability and OCR accuracy.

Capture readable pages

Fill most of the frame while leaving enough room to avoid cutting off corners. Tap to focus on the text and hold the device steady.

Review each image before moving the paper. Blurry numbers and missing signatures are difficult to repair after the original document is no longer available.

• Remove fingers and clips from the text area
• Capture front and back when required
• Rotate every page upright
• Retake pages with glare

Apply restrained enhancement

Grayscale and modest contrast can improve ordinary black text, but aggressive processing may erase faint handwriting, stamps or shaded table cells. Compare the enhanced result with the source.

Crop surrounding desk space to reduce file size and distraction. General browser scanning may not provide automatic perspective correction, so careful capture still matters.

Order and export

Arrange pages according to the document's printed sequence and remove duplicates. Choose a standard PDF page size and a fit setting that keeps every edge visible.

For a large job, create smaller sections and merge them after checking each part. This reduces memory pressure and makes missing pages easier to identify.

Review privacy and accuracy

Open the PDF and check page count, small text, signatures and orientation. Apply OCR only when searchable text is useful, and verify recognized names and numbers against the scan.

Share only the pages the recipient needs. Protect or redact the final copy where appropriate, and keep the original document or source images according to your retention requirements.