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Examples UniPDF

Starting from an example can speed up code development significantly.

Examples

Reports

1. Generate PDF reports

Pages

1. Crop pages
2. Merge PDFs
3. Advanced merging
4. Page info
5. Rotate page
6. Split PDF
7. Advanced splitting

Image

1. Insert image to PDF
2. Extract images from PDF as ZIP
3. Convert images to PDF
4. List of all images in PDF
5. Watermark PDF

Barcode

1. Insert QR code
2. Insert barcode

Security

1. Check access permissions
2. Protect PDF
3. Unlock PDF - remove password
4. Get PDF security info

Text

1. Extract text from PDF
2. Detect certain text in PDF
3. Insert text to PDF

Drawing

1. Draw line to PDF

Forms

1. List of form fields

Analysis

1. Detect scanned PDF
2. Get PDF object
3. Basic PDF info
4. Inspect PDF objects
5. Print content streams

Annotations

1. Annotate ellipse
2. Annotate line
3. Annotate rectangle
4. Annotate w/text
5. List annotations

Advanced

1. Convert PDF to grayscale

Detect scanned PDF

Detect scanned PDF files by looking through the object types and determining whether it is likely to be a scanned file.

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