隐私保护工具
照片里的 GPS、PDF 里的作者字段、投标文件里的修改痕迹——这些看不见的信息会在审核时暴露你。提交前一键清除，管线自检验证。
隐私
Image EXIF Cleaner
Strip GPS location, camera model and every hidden metadata from photos — pixels untouched.
隐私
PDF Metadata Cleaner
Strip author, company, keywords and hidden history from a PDF before you submit it.
隐私
Add Password to PDF
Encrypt a PDF with AES-256 — nobody opens it without the password you set.
隐私
Unlock PDF (Remove Password)
You own the file and know the password — remove it so it opens without friction.