博客和教程

转换指南
PDF转JPG

PDF转JPG - Converting PDF files to JPG is extremely useful when you want to share document pages as images. You can easily convert your PDF pages to JPG or PNG format for use in presentations, social media sharing, or web publishing. Control output quality with DPI settings.

PdfMetric 11 Mar 2026
PDF技巧
PDF添加页码

PDF添加页码 - Adding page numbers is the most effective way to keep long PDF documents organized. Page numbers make it easier for readers to navigate the document, add a professional appearance, and enable referencing. They are essential for multi-page documents such as reports, theses, manuals, and contracts.

PdfMetric 06 Mar 2026
PDF技巧
PDF页面旋转指南

PDF页面旋转指南 - Scanned documents or PDF files saved in the wrong orientation are a common problem in daily business life. Documents obtained from scanners sometimes come rotated 90 or 180 degrees. This makes the document difficult to read and does not present a professional appearance. PDF page rotation tools solve this problem in seconds.

PdfMetric 01 Mar 2026
图片编辑
HEIC和WebP格式

HEIC和WebP格式 - HEIC and WebP are modern image formats that offer the same or higher quality at much smaller file sizes compared to traditional JPG and PNG formats. However, not every platform and application supports these formats, making conversion frequently necessary.

PdfMetric 24 Feb 2026
PDF技巧
印刷就绪PDF

印刷就绪PDF - PDFs prepared for professional printing have different requirements than standard PDFs. CMYK color mode, bleed, crop marks, and high resolution are elements that directly affect print quality.

PdfMetric 19 Feb 2026
生产力
批量文件处理

批量文件处理 - Processing multiple files simultaneously greatly increases work efficiency. Batch converting, compressing, merging, and format changing can be automated instead of doing them one by one. PdfMetric's batch processing features save significant time.

PdfMetric 14 Feb 2026
安全
保护PDF敏感数据

保护PDF敏感数据 - PDF documents may contain personal data, financial information, or trade secrets. Protecting this sensitive data before sharing is mandatory under GDPR, CCPA, and other data protection regulations. Redaction and masking tools permanently hide this data.

PdfMetric 09 Feb 2026
生产力
PDF无障碍指南

PDF无障碍指南 - PDF accessibility is critically important for ensuring equal access to documents for people with disabilities. Screen readers must correctly read PDFs, text alternatives must be available for visually impaired users, and structural tags must be present.

PdfMetric 04 Feb 2026
图片编辑
图片格式对比

图片格式对比 - Image formats like JPG, PNG, WebP, GIF, TIFF, and HEIC each have unique advantages and use cases. Choosing the right format provides the best balance between file size, quality, and compatibility. Different formats are preferred for web, print, and storage.

PdfMetric 30 Jan 2026
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