Drop a PDF to redact
Permanently black out sensitive content — redacted text is gone, not just covered
Or drag and drop them here
Your files stay on your device · 0 uploads
PRIVATE PDF TOOL
Redact PDF
Permanently remove sensitive content — redacted text is gone, not just covered.
100% client-sideNo server involved
No uploadsYour files stay private
No account neededStart merging instantly
How it works
Merge your PDFs in just a few clicks.
1. Upload your PDF
Open the document containing sensitive content.
2. Draw redaction areas
Click and drag to mark text or images for removal.
3. Preview redactions
Review all marked areas before applying.
4. Apply and download
Content is permanently removed and the cleaned PDF downloads locally.
Your files never leave your device.
WhisperDocs runs entirely in your browser. All processing happens locally on your device, with no uploads, no accounts, and no tracking. Ever.
Processed in your browser
100% private
You stay in control
Common questions
Everything you need to know about merging PDF files with Redact PDF.
Yes. WhisperDocs performs true redaction — content is permanently removed from the PDF, not just covered with a black box that can be removed.
Yes. You can draw redaction boxes over any area of the page, covering both text and images.
No. Redaction runs entirely in your browser. Sensitive content is processed and removed locally — never uploaded.
Yes. Redaction areas are highlighted before you confirm, so you can review exactly what will be removed.
No. True redaction is permanent and irreversible. This is by design — always save a copy of the original before redacting.