Digital Dimension Standards
标准电子印章与公章尺寸规格指南（毫米与英寸）
涵盖毫米、英寸和像素分辨率的印章尺寸规范指南，适用于电子合同、公证证明、发票盖章及数字签名。
Round Seals (Notary, Corporate & Official Certifications)
Standard circular geometries used across US Notary Public, UK Solicitors, corporate LLC verification, and official certification marks.
| Diameter (mm) | Diameter (Inches) | Recommended Export | Document Standard | Primary Digital Use Case |
|---|---|---|---|---|
| 38 mm | 1.50 in | 1500 x 1500 px | Standard Compact | Notary Public, Doctor & Professional Certifications |
| 40 mm | 1.57 in | 1600 x 1600 px | Standard Legal | Corporate LLC Seals, Legal Jurats & Contracts |
| 42 mm | 1.65 in | 1700 x 1700 px | Commonwealth Standard | Commonwealth Notary, Bank & Financial Verification |
| 45 mm | 1.77 in | 1800 x 1800 px | Government / Academic | Government Agencies, Academic Diplomas & University Seals |
| 50 mm | 1.97 in | 2000 x 2000 px | Large Embossing Seal | Court Seals, State Embossers & High-Security Certificates |
Rectangular & Status Endorsement Stamps
Standard dimensions for office endorsements, invoice stamps (PAID/APPROVED), and date-marked verifications.
| Dimensions (mm) | Dimensions (Inches) | Recommended Export | Common Text Content |
|---|---|---|---|
| 60 x 25 mm | 2.36 x 0.98 in | 1800 x 750 px | APPROVED, PAID, RECEIVED, CONFIDENTIAL |
| 70 x 30 mm | 2.75 x 1.18 in | 2100 x 900 px | Company Name, Tax ID, Date & Signature Line |