Redact PDF
Visually blackout, mosaic, or blur sensitive information in PDF files. Irreversible physical rasterization and deep metadata sanitization for privacy protection.
Kéo và thả tệp vào đây, hoặc nhấp để tìm kiếm
Files are processed in your browser — never uploaded
Cách sử dụng
Upload PDF Document
Select or drag-and-drop the PDF file you wish to redact.
Mark Sensitive Areas
Click and drag on any page to draw redaction boxes around confidential content.
Choose Redaction Style
Select blackout, whiteout, mosaic (adjustable pixel size), or blur. Toggle real-time preview to inspect the result.
Export Secured PDF
Click "Generate Secured PDF" to execute irreversible flattening, metadata wiping, and download your secured document.
Giới thiệu về công cụ này
Redact PDF provides a visual, interactive editor to permanently conceal and protect sensitive data in your PDF documents. Drag to mark any confidential area—such as names, addresses, ID numbers, signatures, official seals, financial figures, or portraits—and apply blackout, whiteout, mosaic, or blur effects.
Unlike standard PDF editors that simply superimpose superficial black rectangles over existing text, this tool performs irreversible physical pixel rasterization. The underlying text layers, vector graphics, and OCR streams are completely destroyed and cannot be recovered by copy-pasting or reverse-engineering.
Additionally, the tool performs deep metadata wiping, eliminating author information, creation history, and XMP streams. All processing runs 100% locally in your browser with zero server uploads.
Trường hợp sử dụng
Privacy & Regulatory Compliance
Safely mask Personally Identifiable Information (PII) to comply with GDPR, HIPAA, or CCPA requirements.
Confidential Legal & Business Sharing
Obscure trade secrets, settlement terms, signatures, and stamps prior to public disclosure or external distribution.
Financial & Identity Protection
Conceal bank account numbers, tax IDs, credit card details, and ID card numbers from statements and invoices.
Câu hỏi thường gặp
Can anyone recover redacted information by copying text or inspecting layers?
No. The redacted areas undergo physical pixel burn-in flattening. Underlying text, vectors, and objects are completely removed from the file structure, making recovery impossible.
What is the difference between blackout, mosaic, and blur?
Blackout creates a solid black mask (standard for legal documents); whiteout provides a clean white mask; mosaic creates a pixelated grid; and blur produces a soft frosted glass effect.
Are files uploaded to your servers?
No. All rendering, redaction, flattening, and PDF generation occur entirely within your browser memory. Your documents never leave your device.
What metadata is removed?
Document Title, Author, Subject, Keywords, Creator, Producer, CreationDate, ModDate, and extended XMP metadata streams are thoroughly erased.
Có Thể Bạn Cũng Thích
Tìm và Che khuất
Tìm kiếm và che khuất văn bản trên tất cả các trang của PDF. Che khuất hàng loạt thông tin nhạy cảm như số tài khoản, tên, v.v.
Vệ sinh PDF
Loại bỏ dữ liệu ẩn khỏi PDF. Dọn dẹp siêu dữ liệu, tập lệnh và thông tin nhạy cảm.
Chỉnh sửa PDF
Chỉnh sửa tệp PDF trực tuyến. Thêm văn bản, hình ảnh, chú thích, đánh dấu và hình dạng vào tài liệu của bạn.
Làm phẳng PDF
Làm phẳng biểu mẫu và chú thích PDF. Làm cho nội dung không thể chỉnh sửa.