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Npm PDF Libraries

Most Popular Npm PDF Libraries

NameSizeLicenseAgeLast Published
file-type21.57 kBMIT9 Years4 Jun 2023
canvas123 kBMIT13 Years2 Apr 2023
pdfjs-dist8.78 MBApache-2.09 Years27 Aug 2023
jspdf3.25 MBMIT8 Years28 Jan 2022
pdfkit1.11 MBMIT12 Years24 Oct 2021
pdfmake3.52 MBMIT9 Years17 Dec 2022
react-pdf101.59 kBMIT9 Years1 Aug 2023
jspdf-autotable58.07 kBMIT8 Years24 Aug 2023
pdf2json513.51 kBApache-2.011 Years24 May 2023
markdown-pdf85.56 kBMIT10 Years12 Jul 2022
textract34.83 kBMIT10 Years3 Jun 2019
ng2-pdf-viewer55.55 kBMIT7 Years24 Aug 2023
pdf-lib4.03 MBMIT6 Years6 Nov 2021
vue-pdf9.95 kBMIT6 Years17 Jun 2021
pdf-text-extract3.28 kBBSD10 Years24 Mar 2017

When are PDF Libraries Useful

PDF libraries play essential roles in diverse software applications. They are particularly useful when you need to:

  1. Generate and manipulate PDF files programmatically. This may include tasks like creating invoices, reports, forms, or other documents within an application.

  2. Extract data from PDF files. For example, information extraction for analysis or transformation into a different format.

  3. Convert other file formats into PDF or vice versa. For instance, you may need to convert HTML to PDF for offline viewing or printing.

  4. Embed PDF viewing capabilities within an application. This is common in applications that need to provide their users with a convenient way to read PDF documents without directing them to external programs.

These libraries are abundant in the npm package manager. They cater to diverse needs for working with PDF files in Node.js environments.

What Functionalities do PDF Libraries Usually Have

Several standard functionalities come with these libraries. Below are a few common ones:

  1. PDF Creation: They allow the generation of new PDF documents from scratch.

  2. Content Addition: Text, images, and other forms of content can be added and manipulated within the PDFs.

  3. Styling: Options for styling and formatting the content exist. This can include specifications about fonts, colors, alignment, etc.

  4. PDF Modification: Libraries also provide the ability to read and edit existing PDF files.

  5. Conversion: They often allow for the conversion of PDF documents into different formats, like HTML, TXT, JPG, or even into another PDF file.

  6. Encryption and Security: Some libraries offer additional security features, like password protection, permission management, and digital signatures.

  7. Metadata Handling: They may allow reading and writing metadata, like authorship, creation date, and keywords.

Gotchas/Pitfalls to Look Out For

As you work with PDF libraries, here are some potential pitfalls to consider:

  1. Compatibility Issues: Not all libraries support every PDF format. Make sure your library can handle the specific formats you're dealing with.

  2. Performance: The generation or manipulation of large PDF files can be extremely CPU and memory-intensive. Be aware of the performance trade-offs and test adequately in your environment.

  3. Incomplete Features: Some libraries might not support more advanced features, such as complex layouts, multilingual fonts, PDF forms, etc.

  4. Error Handling: Errors and exceptions may derive from the library itself, or because the input document does not meet the expectations of the library. Proper error handling and messages can greatly aid in debugging.

  5. Documentation and Support: Libraries with poor documentation or little community support could pose challenges when you encounter issues or require advanced features.

  6. Licenses: Different npm packages can have different licenses, making it important to verify whether a library's license is compatible with your project's intended use.