Welcome to the Visual PDF API guide.

The Visual PDF user guide will allow you to understand how our REST API for processing PDF files works, and what possibilities it offers.

You will also find lots of code examples allowing you to see a concrete use of each functionality.

If you are looking for the API reference, you'll find them in our documentation.

What is Visual PDF API?

Visual PDF API is a REST API that allows developers to create their own solutions based on the PDF file processing features it offers. Developers are thus relieved of having to code these functionalities themselves and all associated needs (file saving, security rules, task parallelization, etc.). In other words, it's a huge productivity gain and a lot of headaches avoided.

In addition to this, Visual PDF API offers activity tracking and analytics features, which will allow anyone to visualize API usage in charts and lists. This data allows you to ensure that everything is working correctly, but above all to see the evolution of your solution, represented by the calls to our API.

First steps guides

If you're new to Visual PDF API, we highly recommend reading the first steps guides to get started. They will teach you how the API works, how to get credits, and all the basics that will make it easy for you to then understand the tools' guides and documentation.

Authentication
Learn how the Visual PDF API is protected and how to authenticate your requests.
API workflow
Learn how you can call the API through 3 simple steps, which will allow you to perform processing on PDF files.
Pipelines
Discover the possibilities offered by pipelines, which allow you to combine different tools.
Credits and billing
Learn about the different credit provisioning methods that allow you to call the API and the different options available to you.

Tool guides

The tool guides will allow you to discover all the functionalities of our API, and for each of them, the options available to you to best suit your needs as well as simple code examples.

Add PDF password
Secure a PDF with a password
Compress PDF
Reduce the size of PDF files
Crop pages
Trim PDF pages, adjust size and margins
Delete pages
Remove PDF pages
Duplicate pages
Create and move copies of pages
Excel to PDF
Turn a Microsoft Excel spreadsheet into a PDF
Images to PDF
Turn JPG and PNG into a PDF with a custom layout
Merge PDFs
Merge multiple PDFs into one
Order pages
Reorganize PDF pages
PDF to images
Turn a PDF into JPG or PNG images
PowerPoint to PDF
Turn a Microsoft PowerPoint presentation into a PDF
Remove PDF password
Unlock a PDF by removing its password protection
Rotate pages
Change the orientation of PDF pages
Sign PDF
Add one or serveral signatures to a PDF
Split/extract PDF pages
Split or extract pages from a PDF into new files
Add watermark
Mark a PDF with a text or image watermark
Word to PDF
Turn a Microsoft Word document into a PDF

Final words

The guides we write can sometimes be incomplete or even incorrect, although we try to keep them as up to date as possible.

If you encounter a difficulty, spot an error or an omission, do not hesitate to let us know by.