PDF 비교
두 PDF 파일의 차이점을 비교합니다
페이지별 비교
두 PDF의 각 페이지를 시각적으로 비교합니다
차이점 시각화
변경된 부분을 빨간색으로 하이라이트하여 보여줍니다
안전한 처리
파일이 안전하고 확실하게 처리됩니다
How to Compare PDF Files
Step-by-step guide to compare two PDF files
- 1
Upload first PDF
Drag and drop the original PDF file.
- 2
Upload second PDF
Drag and drop the PDF you want to compare.
- 3
View differences
Click Compare to see highlighted differences between the documents.
Frequently Asked Questions
How does PDF comparison work?
Our tool compares two PDFs side by side, highlighting differences in text and layout between the documents.
Can I compare scanned PDFs?
Yes, but text-level difference quality is better when files are OCR-processed first. Pure image scans may rely more on visual change detection.
Does compare detect moved paragraphs as changes?
Yes, moved or reflowed content is usually flagged because position and sequence differ from the original document.
Can I compare files with different page counts?
Yes, added or removed pages are reported as structural differences. This is useful for checking version updates and appendix changes.
How should I review compare results efficiently?
Start with a page-level overview, then inspect high-impact sections like pricing, legal clauses, or technical specs first.
Practical use cases for Compare PDF
Contract managers compare draft and final agreements to confirm that negotiated clauses were applied correctly before signature routing.
QA documentation teams compare SOP revisions to verify only approved sections changed between controlled document versions.
Academic editors compare manuscript revisions from co-authors to identify inserted references, deleted paragraphs, and formatting drift.
Tips and best practices for Compare PDF
- Name files clearly as original and revised before upload to avoid reversed comparisons.
- If the document is scanned, run OCR first for more accurate text-level diff detection.
- Review changes around page breaks carefully; reflow can create clusters of low-priority differences.
- Prioritize business-critical sections first, such as totals, obligations, or deadlines.
- Export or record key findings immediately so review decisions are traceable.