py-pdf/pypdf

Features

• Document Splitting and Merging - Combines multiple PDF files into one or divides a single document into smaller files.
• Document Processing - Divides single PDF files into smaller documents by extracting specific page ranges.
• PDF Processing - Combines multiple PDF documents into one file while handling object cloning.
• Text Extraction - Extracts text from PDF layers conditionally based on spatial coordinates or font properties.
• PDF Navigational Bookmarks - Creates and modifies hierarchical PDF outlines and navigational bookmarks to organize document sections.
• Document Content Structuring - Reorganizes content by splitting, merging, and transforming pages within a document.
• Link Management - Implements methods for adding and removing internal and external hyperlinks within PDF documents.
• PDF Manipulation Utilities - Provides utilities for merging multiple PDF files into a single output while preserving object links.
• Bookmark Managers - Provides specialized tools for creating, removing, and nesting navigational bookmarks to organize document structure.
• PDF Libraries - Parses internal PDF structures by locating cross-reference tables and decoding binary content streams.
• Layout Reorganization - Splits, merges, and transforms pages to reorganize or resize the layout.
• Page Counting - Determines the total number of pages within a document.
• Page Index Retrieval - Provides the ability to access individual pages by index number for targeted operations on document sections.
• Page Insertion - Adds empty or specific pages at designated positions to restructure the file.
• Page Sequence Managers - Splits, merges, and transforms pages to reorganize document structure.
• Page Rearrangements - Allows rearranging and resizing document content by splitting, merging, and cropping pages.
• PDF Document Generation - Generates PDF documents by structuring headers, bodies, and internal cross-reference tables.
• Content Extraction - Provides utilities for retrieving raw text and structural information from PDF documents.
• Deep Object Manipulations - Performs recursive modifications on the hierarchical structure of PDF dictionaries and arrays.
• Binary Stream Decoding - Processes compressed binary data blocks using filters like FlateDecode to retrieve text and images.
• Cross-Reference Table Mappings - Parses internal PDF cross-reference tables to enable random access to document objects.
• PDF Security and Signing - Removes password protection from PDF files to enable reading and modification of contents.
• PDF Permission Controls - Applies encryption and access restrictions to PDF files to prevent unauthorized editing or printing.
• PDF Restriction Removers - Uses provided passwords to remove encryption and allow access to protected PDF content.
• Document Encryption - Removes encryption from documents using user or owner passwords to restrict unauthorized access.
• Symmetric Encryption - Implements symmetric AES encryption and decryption to secure document access and permissions.
• Indirect Object Mapping - Tracks and manages shared PDF objects through a reference system to avoid duplicating data.
• Glyph Mappings - Translates binary character codes into human-readable text using embedded font glyph maps.
• Interactive PDF Form Fields - Manages interactive PDF form fields and the document table of contents.
• Form Data Extraction - Parses interactive PDF form fields to retrieve names, values, and page locations.
• Page Box Modifications - Adjusts crop, bleed, and trim box properties to control the visible area.
• PDF Metadata Editors - Updates internal properties and viewing options to change how documents are identified.
• PDF Metadata Managers - Manages and edits internal property fields and viewer preferences of PDF documents.
• File Attachments - Retrieves embedded files and associated metadata from PDF structures for export.
• Attachment Removal - Provides the ability to delete specific embedded files from a PDF document.
• Internal Object Manipulation - Reads and clones generic PDF data structures like dictionaries and arrays to modify internal document properties.
• Content Overlaying - Merges a page or image onto an existing page to create watermarks or overlays.
• Content Scaling - Adjusts the size of page contents and the canvas to resize elements.
• Dimension Adjustments - Adjusts page layout by cropping, rotating, or scaling content dimensions.
• Document Metadata Extraction - Retrieves descriptive information such as title, author, and creation date from PDF files.
• Document Metadata Management - Creates, updates, or removes standard information fields and custom metadata entries.
• Document Property Modification - Adds custom metadata and viewing options to modify how a PDF file is displayed.
• Document Watermarking - Adds or reads stamps and watermarks to customize the visual identification of documents.
• File Size Optimizations - Reduces document file size by eliminating redundant objects and applying lossless compression.
• Incremental PDF Updates - Appends new content to the end of the file to preserve original data and existing digital signatures.
• Malformed Document Handling - Implements a best-effort approach to process malformed PDF files that violate official specifications.
• Page Box Definitions - Defines boundaries like crop, bleed, and media boxes including their coordinates.
• Page Cropping - Adjusts the visible area of a page by defining new boundary coordinates.
• Page Rotations - Enables changing the visual orientation of PDF pages by increments of 90 degrees.
• Page Overlays - Provides the ability to merge pages or images onto another using rotation, translation, and scaling transformations.
• PDF Storage Optimizations - Reduces overall file size and ensures the document adheres to PDF standards.
• PDF Viewer Preferences - Sets document-level flags to control viewer behaviors like menu visibility and duplex printing.
• XMP Metadata Management - Creates and modifies XML-based metadata structures to store advanced properties.
• Image Extractions - Provides tools for isolating and saving image assets from within PDF documents as external files.
• In-Memory Document Processing - Reads and writes PDF content using byte streams to avoid the need for temporary intermediate files.
• Layout Preservation - Retrieves text while preserving the visual layout, orientation, and spacing of the original document.
• 2D Vector Transformations - Modifies elements using 2D transformations like scaling, rotating, and translating.
• XMP Structure Manipulation - Modifies extensible metadata structures to define detailed properties and standards compliance.
• PDF Interactive Elements - Adds interactive elements such as highlights, links, and geometric shapes to document pages.
• Vector Annotation Insertion - Adds geometric shapes and free-text boxes with customizable colors and styles to PDF pages.
• Metadata Extraction - Extracts embedded information and XMP metadata directly from PDF files.
• XMP - Retrieves document information and XMP data to identify file versions.
• XMP Data Retrieval - Reads platform data to retrieve authors, creation dates, and producer tools.
• Decryption Utilities - Implements utilities to remove AES encryption from PDF files to enable content processing.
• Document Access Permissions - Controls user access levels for printing, modifying, and extracting text from secured documents.
• PDF Form and Annotation Tools - Embeds fillable form fields and interactive annotations into PDF files.
• Form Field Configuration - Configures properties for interactive PDF form fields, including read-only status and password protection.
• Hyperlink Managers - Provides tools for creating internal and external clickable hyperlinks within PDF documents.
• Spatial Text Filtering - Filters text fragments based on position to exclude non-content areas like headers and footers.
• Text Highlighting - Applies highlight annotations to specific rectangular areas to emphasize document content.
• Document Annotators - Provides utilities for adding and modifying persistent notes and annotations within PDF documents.
• Document and File Processing - Manipulates PDF pages through splitting, merging, and transformation.

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