Pdf Lib

Pdf Lib - create and modify PDF documents | Awesome Repos

Features

PDF Document Generation - Provides a programmatic interface for creating new PDF files from scratch by defining their binary structure.
PDF Form Filling - Detects and populates existing fillable PDF form fields with custom data.
Page Insertion - Allows adding, removing, and inserting pages at specific positions within a PDF document structure.
PDF Binary Encoders - Directly implements the binary PDF specification for encoding content streams and structural elements.
PDF Content Editing - Provides programmatic capabilities to modify text and images within existing PDF files.
PDF Document Management - Offers a comprehensive toolkit for generating, editing, and manipulating PDF pages and metadata.
PDF Manipulation Libraries - Provides a low-level JavaScript library for modifying PDF byte streams and manipulating document structures.
PDF Object Graph Representations - Maintains a graph of unique PDF objects and cross-reference tables to allow non-destructive editing.
Cross-Platform Runtimes - Ensures consistent PDF processing logic across diverse environments including Node, Browser, Deno, and React Native.
Form Creators - Supports building interactive PDF forms with buttons, checkboxes, and dropdowns from scratch.
PDF Form and Annotation Tools - Combines the ability to build interactive form fields and manage PDF document content for data collection.
PDF Metadata Managers - Provides tools for reading and editing the internal property fields and viewer preferences of PDF documents.
Automated Document Workflows - Automates the generation and editing of PDF documents within application workflows.
Form Flattening - Converts interactive PDF form fields into static content to prevent further editing.
PDF Editors - Offers a programmatic interface to modify PDF metadata, embed fonts, and adjust document content.
Incremental PDF Updates - Modifies PDF files by appending new data to the end of the file to maintain structural integrity.
Cross-Platform PDF Engines - Implements a PDF engine that executes consistently across Node.js, Browser, Deno, and mobile environments.
PDF Vector Graphics - Enables drawing text, images, and vector graphics directly onto PDF pages for custom visual layouts.
Custom Font Loading - Loads and registers external font data from memory streams for use in PDF rendering.
Font Subsetting Engines - Extracts only the characters used in a document from font files to optimize the final file size.
Document Processing - Creation and modification of PDF documents.

Open-source alternatives to Pdf Lib

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unidoc/unioffice
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embedpdf/embed-pdf-viewer
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Embed PDF Viewer is a browser-based PDF rendering library that uses a WebAssembly port of the PDFium engine to display documents entirely on the client side, with no server-side processing required. It provides a framework-agnostic core engine layer that manages the PDF document lifecycle, memory allocation, and WebAssembly resource cleanup, with dedicated integration hooks for React and Vue 3 that handle initialization, document loading, and reactive state management. The library offers both a pre-built, embeddable viewer that can be inserted into any web page with a single initialization ca
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See all 30 alternatives to Pdf Lib

Hopdingpdf-lib

Features

Open-source alternatives to Pdf Lib

py-pdf/pypdf

unidoc/unioffice

mpdf/mpdf

embedpdf/embed-pdf-viewer

Star history

Open-source alternatives to Pdf Lib

py-pdf/pypdf

unidoc/unioffice

mpdf/mpdf

embedpdf/embed-pdf-viewer