Permanently remove sensitive text and images from your PDF files with our free online redaction tool. Black out content securely in your browser. No uploads, 100% private.
Click to upload or drag and drop your PDF file here
为保护您的隐私，所有处理均直接在您的浏览器中进行。这意味着：
A simple process to permanently remove sensitive information from your PDF files.
Click "Select PDF File" or drag and drop your PDF into the selection area. Your file is processed locally for privacy.
Once your PDF appears, click and drag your mouse over any text or images you wish to hide. A black box will show the area to be redacted.
If you make a mistake, click the "Undo Last" button to remove the last box you drew. Click "Clear Page" to remove all redactions from the current page.
Use the "Prev" and "Next" buttons to move through the pages of your document. Your redactions are saved for each page automatically.
When you have marked all sensitive information, click the "Apply Redactions & Download" button to permanently remove the content.
The tool will permanently remove the content under the boxes. Download your newly secured PDF with confidence.
Professional-grade redaction with complete privacy and security.
Easily correct mistakes with a simple 'Undo' button that removes the last redaction you made, giving you confidence as you work.
Your files never leave your computer. All redaction happens in your browser, guaranteeing the confidentiality of your documents.
We don't just cover text. Our tool permanently removes the underlying data, making it impossible to recover sensitive information.
Get powerful redaction capabilities without installing any software. Our tool works on any device with a modern web browser.
Securely black out not just text, but also images, graphs, and other visual elements within your PDF document.
Use our professional-grade redaction tool as much as you need, for free. No limits on files or usage.