Login Free Trial Contact

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

Convert PDF to grayscale

Convert a PDF to grayscale in a vectorized fashion, including images and all content.
Ready to build with UniDoc?

Request a free trial, explore the docs, or talk to the team about production support and enterprise licensing.

For developers

14-day free trial, working examples, from zero to production in hours.

Start free on UniCloud Request offline trial
For enterprise teams

Vendor security review? We have the documentation ready.

Talk to sales Request offline trial