SKSolveKit

Files never leave this device

Irreversible by design

Remove sensitive content, not just cover it

Draw black zones on the rendered pages; on apply, those pages are rebuilt without the content underneath — removed, not covered.

Reading files…

What it solves

A black box you cannot peel off.

Copying text out from under a drawn rectangle is the classic redaction failure. This tool re-renders every marked page so the content beneath each zone is removed from the file itself, not merely covered — and the document never leaves this device.

Redacted pages become images: text on them stops being selectable and searchable. That is the price of real removal — verify the exported copy before sharing it.

Common uses

01

Send documents to third parties

Check what a client, recruiter or authority would actually receive before you attach the file.

02

Publish documents online

Strip author names and hidden properties from reports before uploading them to a public site.

03

Redact sensitive copies

Remove names, amounts or identifiers from the copy meant for someone who must not see them.

Quick guide

From open document to honest answer.

  1. 01Open the PDF; it is read and rendered entirely on this device.
  2. 02Run the analysis or mark what has to go, directly on the rendered pages.
  3. 03Read the honest report: it separates what was found, what was ruled out, and what could not be inspected.
  4. 04Apply the change or export, and verify the result before you share it.

Limits worth knowing

Honest before you share.

  • 01

    A check that could not run is reported as not checkable. The absence of a finding is never proof of a clean file.

  • 02

    Every operation produces a new download; the original file on this device is never overwritten.

  • 03

    Very large or image-heavy documents are limited by the memory and processing power of this device.

Frequently asked questions

Redacting PDFs — FAQ.

01Do these tools upload my PDF anywhere?

No. The document is read and processed in the browser on this device; its bytes are never sent to a server.

02Can they guarantee no sensitive data is left?

No — and that is why they never promise it. Each check states whether it found something, ruled it out, or could not inspect it. Whatever could not be checked is listed separately and is never presented as a clean result.

03Is the original file modified?

No. Each tool works on a copy and produces a new download. Keep the original until you have verified the result.

04Why does the report never say the document is clean?

Because a browser cannot inspect every structure a PDF can carry — earlier revisions and embedded fonts, for example, stay out of reach. The report is limited to what was genuinely verified.

Related tools

Keep protecting the document.

All PDF tools

Share this tool

Referencing this tool on a website?

Copy an attribution link. It is optional and does not change free access.

Useful next stepPDF Privacy CheckerInspect metadata, forms, annotations, attachments, hidden layers, active actions and signatures before sharing a PDF.