PDF 新聞

將 PDF 轉換嵌入 JavaScript 應用程式

8月 27, 2025
在 JavaScript 應用程式中將 PDF 元件與轉換支援集成允許使用者在 PDF 和其它檔案格式之間轉換文件

JavaScript PDF components that support format conversion play a critical role in modern web and enterprise applications, allowing developers to programmatically generate, manipulate, and transform documents within the browser or on the server. These tools simplify workflows that require format interoperability, such as generating printable reports from web content, archiving dynamic documents, or extracting data for analysis. Their ability to convert between PDF and other widely used formats ensures compatibility across systems, supports digital transformation goals, and enhances document handling efficiency.

Common conversions include:

  • HTML to PDF: Render entire web pages or fragments into paginated PDF documents while preserving layout, styles, and interactive elements.
  • PDF to Excel: Extract tabular data from PDFs, converting it into XLS or XLSX files for data analysis or re-use in spreadsheet applications.
  • PDF to Image: Convert each page of a PDF into image formats such as PNG or JPEG, useful for previews, thumbnails, or annotations.
  • RTF to PDF: Convert Rich Text Format files into PDFs to preserve text styling and document structure in a widely accepted format.
  • PDF to PowerPoint: Convert PDF content into PPT or PPTX format, enabling slide-based presentation of document content.
  • PDF to SVG: Translate PDF pages into scalable vector graphics, ideal for embedding high-quality visuals in web pages.
  • Word to PDF: Transform DOC or DOCX files into PDFs, retaining formatting, tables, and images for standardized sharing and storage.

For an in-depth analysis of features and price, visit our JavaScript PDF components comparison.

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改進 React 應用程式中的 PDF 導航

8月 19, 2025
憑藉縮略圖導航，使用者可以快速直觀地定位和流覽 PDF 的特定頁面，而無需滾動或使用搜索功能。

Thumbnail navigation is a feature often found in a PDF viewer that displays miniature representations of each page of the PDF file, typically in a side panel or dedicated section, that users can scroll through and navigate to the desired page by clicking on the relevant preview image. This functionality assists with identifying content layout and structure at a glance. By allowing users to visually scan through and select a specific page it simplifies the process of locating content at speed, especially in long or detailed files, and without having to scroll or use search functions.

Several React PDF viewer components offer thumbnail navigation, including:

  • Wijmo PDFViewer (part of Wijmo by MESCIUS) lets users preview pages as thumbnails, enabling efficient PDF navigation and quick access to specific content in React apps.
  • PrizmDoc Viewer (part of PrizmDoc by Accusoft) also supports React and facilitates fast page access with thumbnail previews, helping users identify and jump to relevant sections.
  • Syncfusion PDF Viewer (part of Syncfusion Essential Studio Enterprise) equips React apps with a lightweight PDF viewing component that supports quick navigation via thumbnails.

For an in-depth analysis of features and price, visit our comparison of React PDF viewer components.

Compare React PDF Viewer Components

用刪除線清楚地標記更改

8月 15, 2025
刪除線注釋清楚地標記 PDF 中的刪除或編輯，有助於團隊更有效地協作和審查文件。

At a high level, strikethrough annotations, also known as strikeout or line-through markups, enable reviewers to visually indicate deletions or corrections within PDF text while preserving the underlying content. This annotation type belongs to the broader category of text markup annotations, which also includes highlighting, underlining, and squiggly underlines. Developers can customize properties like color, opacity, and associated notes or author metadata. Strikethrough annotations support interactive use cases, such as insert/edit/delete, event handling, and rendering consistency across different rendering engines.

Several WinForms PDF controls offer support for strikethrough annotations including:

For an in-depth analysis of features and price, visit our WinForms PDF controls comparison.

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在瀏覽器中創建和編輯 PDF 表單欄位

8月 8, 2025
使用 JavaScript PDF 檢視器直接在 PDF 表單中添加、重命名或刪除欄位，無需外部編輯器。

In JavaScript-based PDF viewers, the ability to add, edit, remove, and rename form fields within Acrobat-style PDF forms allows developers and users to dynamically manage form structure and content directly within the browser. This functionality enables real-time customization of interactive PDF documents without requiring external PDF editors. By supporting operations like inserting new text fields, adjusting existing ones, deleting unused fields, or updating field names to match data schemas, this feature significantly enhances the flexibility and usability of PDF forms. It benefits workflows such as document automation, digital signatures, and data collection, particularly in applications where user-driven or programmatic form manipulation is essential for tailoring documents to specific tasks or data sources.

Several JavaScript PDF viewer components allow you to add, edit and remove form fields from PDF forms, including:

  • Document Solutions for PDF by MESCIUS includes a JavaScript PDF viewer in the Professional edition that enables developers to modify and manage form fields.
  • PrizmDoc Viewer (part of PrizmDoc by Accusoft) provides an HTML5 document viewer which lets you adjust, rename, and delete PDF form fields within a JavaScript interface.
  • Syncfusion PDF Viewer (part of Syncfusion Essential Studio Enterprise) equips JavaScript applications with PDF form functionality, including interactive form field manipulation.

For an in-depth analysis of features and price, visit our comparison of JavaScript PDF viewer components.

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精確加密和解密 PDF

8月 5, 2025
使用強大的加密保護 PDF 檔，然後輕鬆將其解密，以便在需要時恢復授權使用者的存取權限。

Encrypting and decrypting PDF files is a key feature in many modern PDF components, allowing developers to protect sensitive information and control access to documents. Encryption applies a security layer to the PDF, typically requiring a password to open or modify the file, while decryption reverses the process for authorized users. These capabilities are essential for applications that handle confidential business data, legal documents, or personal records, ensuring compliance with security policies and data protection regulations.

Several JavaScript PDF controls offer the ability to encrypt or decrypt PDF files including:

  • Wijmo PDF (part of Wijmo by MESCIUS) enables developers to apply password-based encryption when generating PDFs, ensuring that only authorized users can view or alter the document.
  • Aspose.PDF for JavaScript via C++ provides robust encryption options, including support for various encryption algorithms and permission settings to restrict printing, copying, and editing, along with decryption capabilities for authorized access.
  • IronPDF for Node.js by Iron Software offers high-level methods to encrypt and decrypt PDFs, supporting both user and owner passwords, making it straightforward to secure documents before distribution and to unlock them when required.

For an in-depth analysis of features and price, visit our JavaScript PDF controls comparison.

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