Angular PDF Viewer — Frequently Asked Questions
13 Feb 20262 minutes to read
The following FAQ provides concise solutions and links to detailed how-to articles for the Angular PDF Viewer. Each entry links to a step-by-step article with examples and troubleshooting notes.
The frequently asked questions in Essential® PDF Viewer are listed below.
- Unload the PDF document Programmatically
- Load PDF documents dynamically
- Include Authorization Token
- Get the Base64 string of the loaded PDF document
- Customize the selection border
- Extract Text using extractTextCompleted Event
- Import and Export annotation
- Delete a specific annotation
- Open Thumbnail pane programmatically
- How to enable and disable the delete button based on annotation selection and unselection events
- Add the custom stamp based on the free text bounds
- Install packages required for versions below 12
- Load Office files in PDF Viewer
- How to Change the Font Family in the Type Signature
- Resolve unable to find an entry point named FPDFText_GetCharAngle error
- How to clear the Web-service is not listening error
- Load N number of pages on initial loading
- Retry Timeout
- Configure Redis Cache
- Supported conformance documents
- Customize context menu
- PageRenderInitiate and PageRenderComplete event
- Open and Close Bookmark pane programmatically
- Locking Form Fields in a PDF document
- SignatureSelect and SignatureUnselect event
- Controlling File Downloads
- Minimum and Maximum Zoom Properties
- Restrict Zoom Percentage on Mobile Devices
- Custom fonts for Signature and Initial fields
- Export As Image in Angular PDF Viewer component
- Add custom fonts to the PDF Viewer using the PDF document
- Create a Standalone PDF Viewer in Angular 17 and above with –no-standalone flag
- Create a Standalone PDF Viewer in Angular 17 and above without –no-standalone flag
- Create a Standalone PDF Viewer in Angular 12
- Configure Annotation Selector Setting
- Convert Pdf Library Bounds to Pdf viewer bounds
- Display Custom Stamp items in Custom Stamp
- Get Page Info in Angular PDF Viewer component
- Retrieve base64-encoded value of a loaded PDF document
- Enable Local Storage
- Add Rectangle Annotation using Search Text Bounds
- Control Annotation Visibility
- Extract Text Option
- Find Text using findTextAsync Method
- Extract Text
- Dynamically Enable or Disable Text Selection
- Show and Hide Annotations
- Load Document after resources Loaded