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Data Masking Tool

Free浏览器本地处理· 文件留在你的设备上

Detect and mask phone numbers, email addresses, ID-like strings, and sensitive text. Use this tool directly in your browser on desktop or mobile, with clear limits and download-ready results.

本站按工具实际方式标注处理位置：本地工具不上传文件；服务器和 AI 工具会临时处理必要附件，并在页面中提示复核。

自动识别并脱敏以下类型：

手机号身份证号邮箱地址银行卡号疑似地址

🔒 Privacy Processing Notice：Masking, removal, and cleanup tools are productivity aids and do not guarantee compliance with specific regulations such as GDPR or personal information protection laws. Consult a compliance professional for sensitive data workflows.

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What this tool does

Data Masking Tool runs locally in your browser, so source files stay on your device while you adjust options and download the result.

Key steps

  1. 1Add your file or paste the content into the tool.
  2. 2Adjust the available options for your expected output.
  3. 3Preview or check the result, then download or copy it.
  4. 4Add your file or content.
  5. 5Adjust the available processing options.

Key specifications

Processing modeRuns locally in the browserSource files stay in the browser
File boundarySource files stay in the browserImportant results should be checked manually
PricingFree at current effective settingsFree at current effective settings
OutputDownload, copy, or continue with another toolReview

Legal, financial, tax, identity, academic, and business results are not guaranteed and should be reviewed manually.

Share this tool

Card generation is off by default and only uses public page text, brand, URL, and QR code.

How to Use

1. Add your file or paste the content into the tool.

2. Adjust the available options for your expected output.

3. Preview or check the result, then download or copy it.

This tool processes files locally in your browser. No files are uploaded to any server.

Use Cases

  • Handle a quick file or text task without installing desktop software.
  • Process private draft content locally in the browser when the tool supports local processing.
  • Prepare files for email, upload forms, documentation, or content publishing.

Notes

  • Local browser tools do not upload files to the server.
  • Keep an original copy before replacing important files.
  • Large files may depend on your browser memory and device performance.

Common scenarios

How to convert a resume PDF to Word and polish it

Convert a resume PDF to an editable document, check sensitive information, polish the content, and export a stable PDF again.

How to remove photo location data before posting

Clean EXIF metadata such as GPS, device, and shooting time before posting photos online.

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FAQ

Is this tool free to use?

Yes. This tool is free to use.

Are my files uploaded?

No. This tool runs locally in your browser.