I Hack PDF
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Scan to PDF

Clean up photographed pages and combine them into a document.

Read the guide ↓

What this tool does

Turn document photos into a PDF with a chosen visual filter. Gather pages from your device or camera and prepare a simple scanned-looking copy for reading or later OCR.

What you can open
Browser-readable photos of document pages.
What you will download
One PDF with image-based pages in the selected order.

How to use it

  1. Photograph pages with even lighting and include the full page.
  2. Add the images, arrange them and choose color, grayscale or black-and-white processing.
  3. Download the PDF and check edges, contrast and small text.

Options explained

Page cleanup
Choose color, grayscale or black-and-white processing for the image pages.grayscale / black-white / color
Black-white threshold
Set the cutoff for black-and-white image processing. Check faint print and details after changing it.

Know the tradeoffs

  • Automatic edge detection and perspective correction are not applied.
  • A high black-and-white threshold can remove faint text or detail.

Questions about this tool

Will this automatically straighten a skewed photograph?

No. Automatic perspective correction is not included.

Will the scan be searchable?

Not by this step alone. Use OCR PDF afterward to recognize text.