证件水印助手

适合上传敏感资料前的最后一步

在银行开户、平台实名认证、租房备案或 HR 归档前，为图片加上明确用途的文字水印，减少证件图片被误用的风险。

• 银行开户
• 平台实名认证
• 租房备案
• 考试审核
• HR 入职归档
• 合同和证书提交

核心功能

• 浏览器本地处理图片，不上传服务器
• 支持批量添加半透明文字水印
• 可调整文字、颜色、字号、透明度、角度和间距
• 支持先保存水印图，也支持上传时插入到网页表单
• 支持多语言界面

证件水印指南

围绕身份证水印、营业执照水印和本地图片处理整理的实用文章，帮助你在上传敏感资料前选择合适的水印文字和处理方式。

• 上传身份证前为什么要加水印？

  上传身份证、证件照或实名认证资料前，加用途水印可以降低图片被误用的风险。了解水印写法、场景和本地处理工具。

• 身份证复印件水印怎么写？常用模板和注意事项

  整理身份证复印件、证件照、营业执照和合同图片的常用水印文字模板，适合银行开户、平台验证、租房备案等场景。

• 营业执照图片如何添加“仅供某用途”水印

  营业执照、合同和企业资质图片提交前，建议添加用途水印。了解常用水印写法和本地处理方式。

• 不上传服务器的图片水印工具适合哪些场景？

  对比在线水印网站和浏览器本地水印工具，说明为什么证件照、身份证、合同和营业执照更适合本地处理。

• How to watermark ID photos before uploading them online

  Learn how to add purpose-specific privacy watermarks to ID, document and certificate photos locally in Chrome before online uploads.

English document watermark guides

Guides for international upload workflows: KYC verification, rental applications, proof of address, passport scans, HR onboarding, certificates, business licenses and local Chrome watermarking.

• Browse all English guides

  A dedicated English guide hub for document watermark and private upload workflows.

• How to watermark ID photos before uploading them online

  Learn how to add purpose-specific privacy watermarks to ID, document and certificate photos locally in Chrome before online uploads.

• Local Chrome watermark extension for private document photos

  A local Chrome watermark extension can add privacy text to ID, certificate and business document photos without uploading originals to a server.

• Safe document upload checklist for ID and verification files

  A practical checklist for preparing ID photos, passport scans, proof of address and certificate files before uploading them online.

• Watermark a passport scan before uploading it online

  Learn how to add a light purpose-only watermark to passport scans for travel, visa, KYC and identity verification workflows.

• Watermark business license and company documents for online uploads

  Use purpose-only watermarks for business licenses, registration documents, contracts and company certificates before online upload workflows.

• Watermark certificate scans before uploading or sharing them

  Add local text watermarks to certificate scans, diplomas, licenses and qualification documents before online submission.

• Watermark documents for rental applications and tenant screening

  Learn how to watermark ID photos, proof of income and supporting documents before rental applications or tenant screening uploads.

• Watermark HR onboarding documents before sending them online

  Protect ID photos, certificates and onboarding files with purpose-specific local watermarks before HR upload or email workflows.

• Watermark ID documents for KYC and identity verification

  Add purpose-specific watermarks to ID documents before KYC, identity verification, fintech onboarding and account approval workflows.

• Watermark proof of address documents for online verification

  Add purpose-specific watermarks to utility bills, bank statements and address proof documents before online verification uploads.

Watermark Assistant

Add privacy text watermarks to ID, document and certificate photos locally in Chrome. It is designed for ID verification, certificate submissions, rental registration, HR onboarding and other document upload workflows.

FAQ