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PDF 디지털 서명

PDF 디지털 서명 - Digital signatures on PDFs provide legal validity and prove document authenticity without printing. Digital signatures eliminate the print-sign-scan workflow, saving time, paper, and ink. In many countries, electronic signatures are legally valid.

PdfMetric 24 Jul 2026
이미지 편집
이미지 배경 흐림

이미지 배경 흐림 - Background blur creates a professional depth-of-field effect that makes your subject stand out. This technique is widely used for portrait photography, product shots, video conference backgrounds, and social media visuals.

PdfMetric 19 Jul 2026
PDF 팁
PDF 빈 페이지 제거

PDF 빈 페이지 제거 - Blank pages in PDFs waste paper when printing, unnecessarily increase document size, and disrupt professional appearance. Blank pages typically result from document conversion, scanning errors, or duplex printing settings.

PdfMetric 14 Jul 2026
생산성
RAR와 7Z 추출

RAR와 7Z 추출 - RAR and 7Z are popular archive formats that offer better compression ratios than standard ZIP. They are commonly used for downloading large files and multi-part archives. You need the right tools to open these formats.

PdfMetric 09 Jul 2026
변환 가이드
SVG와 PDF 벡터 그래픽

SVG와 PDF 벡터 그래픽 - SVG and PDF both support vector graphics that scale perfectly to any size without quality loss. SVG is the web standard for scalable graphics, while PDF preserves vector data for print. Both formats are ideal for logos, icons, and technical drawings.

PdfMetric 04 Jul 2026
PDF 팁
PDF 콘텐츠 추출

PDF 콘텐츠 추출 - Extracting embedded images and text from PDF documents saves time when you need to reuse content. Image extraction preserves original resolution and format, while text extraction converts PDF content to editable text.

PdfMetric 29 Jun 2026
이미지 편집
이미지 DPI와 해상도

이미지 DPI와 해상도 - DPI (dots per inch) determines how sharp your images appear when printed or displayed at different sizes. The right DPI setting is key to balancing print quality and file size.

PdfMetric 24 Jun 2026
변환 가이드
TIFF와 PDF 디지털 아카이브

TIFF와 PDF 디지털 아카이브 - TIFF and PDF are the gold standards for long-term digital document archiving and preservation. TIFF preserves maximum image quality without compression loss, while PDF/A is the ISO standard for long-term archiving. Both formats are cornerstones of institutional archive strategies.

PdfMetric 19 Jun 2026
PDF 팁
PDF에 이미지 추가

PDF에 이미지 추가 - Adding images to existing PDF documents is essential for creating visual reports, annotated documents, and professional outputs. You can insert logos, stamps, signatures, photos, and diagrams at any position on any page.

PdfMetric 14 Jun 2026
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