100% Free · No Registration

PDFRedactionTool

Specialized in redaction, so no complicated steps. Download in 5 seconds.

Drag & Drop PDF Here

Select File

Max file size: 50MB

Your file never leaves this device

Browser-basedNo Server UploadNo Sign-up

Redact personal & confidential info!

Live demo (auto)

kuronuri.online

OFFICIAL RECORD

Identification Form

Full Name

John Smith

Address

123 Main St…

ID Number

123-45-6789

Birth Date

Apr 1, 1990

Status

Resident

ID DocumentsPay StubsRental DocsMedical

Used for confidential documents & contractsTrusted by legal, medical & government usersNo install, no account required

How to use

Easy 3 Steps

Upload PDF

Drag & drop or select the PDF file you want to redact

Select Areas

Drag to select the areas you want to hide. Multiple selections supported

Download

Click 'Apply Redaction' and download the processed PDF

Why kuronuri

Fast. Clean. Free.

No extras needed for PDF redaction.

Fast

5-second job

Upload, draw, download.

Clean

Pro quality

No bleed. Pixel-perfect.

Free

Forever free

No signup. No card.

Security

Why kuronuri is Safe

Three reasons your data stays private

No Server Storage

PDFs are processed in your browser. Never uploaded to servers

True Redaction

Redacted pages are flattened to images. The original text is deleted, not just covered.

No Registration

No email address or personal information required

Technically verifiable — open DevTools → Network tab while using the tool. No external requests will appear.

Features

Redaction Features

Redaction isn't just painting over text. Redacted pages are flattened to an image, permanently erasing all underlying text data.

Select & Redact

Simply drag to select areas for complete redaction. Works with text and images.

Text data permanently deleted

Redacted pages are flattened to an image, completely erasing the original text layer. Cannot be recovered by text selection, copy, or extraction tools.

Batch Processing

Process multiple pages of PDFs at once with batch redaction.

Preview

Check the redaction results in preview before downloading.

Premium Plan

kuronuri Plus

Beyond redaction. Access all PDF editing features.

Learn More

Add & edit text

Create & save signatures

Highlight

Insert shapes

Insert images

Reorder pages

Add annotations

Freehand drawing

FAQ