Resources & Guides
Practical, plain-English guides on redacting PDFs, avoiding data leaks, and choosing the right workflow (redaction, compression, conversion). These pages are written to help you share documents safely.
A document-sharing security checklist before you hit send
A practical, one-page checklist to run through before sharing any sensitive document — whether or not you use DocClean to prepare it.
Updated: 2026-07-20
How OCR affects PDF privacy — and why redaction tools use it
Optical character recognition is what lets a redaction tool find text in a scanned document. Here's how it works and what its limits are.
Updated: 2026-07-17
What actually survives a DocClean export (verified against the code)
A transparent look at what DocClean's export step keeps and discards — based on how the export function is actually built, not marketing claims.
Updated: 2026-07-14
Why drawing a black box over text might not redact a PDF
Most PDFs store text as searchable objects layered under whatever you draw on top. Here's what that means for redaction, in plain terms.
Updated: 2026-07-11
How to redact a Word document (.docx) safely
Word doesn't have a real redaction tool. Here's the safe way to remove sensitive text from a .docx file before sharing it.
Updated: 2026-07-08
How to redact a PDF without Adobe Acrobat
Acrobat's real redaction tool is a paid Pro feature. Here's what actually removes sensitive text without it.
Updated: 2026-02-14
How to check your PDF redaction actually worked
Three quick tests to confirm sensitive text is genuinely gone from an exported PDF, not just visually covered.
Updated: 2026-02-11
How to redact a PDF on Android without an app
Redact a PDF directly in Chrome on Android — no app store install, no upload to a third-party server.
Updated: 2026-02-08
How to redact a PDF on iPhone (no app install)
Step-by-step: redact a PDF directly in Safari on iPhone without installing an app or uploading the file anywhere.
Updated: 2026-02-05
Is it legal to redact a PDF before sharing it? (UK)
A plain-English look at where redacting your own documents sits under UK data protection law, and where it doesn't apply.
Updated: 2026-02-03
DocClean workflows: a simple guide to redaction, compression and conversion
Learn how the main DocClean workflows fit together and when to use each one.
Updated: 2026-01-29
How to share sensitive documents by email without leaking data
Practical steps for sending PDFs safely: redaction, verification, and secure sharing habits.
Updated: 2026-01-27
Compress vs convert: which PDF workflow should you use?
A practical guide to choosing compression or conversion and what to watch out for.
Updated: 2026-01-25
7 common PDF redaction mistakes that cause data leaks
Avoid these mistakes when removing personal information from PDFs.
Updated: 2026-01-23
PDF metadata and hidden text: what to check before sharing
Even a visually clean PDF can leak information via metadata, OCR layers, comments, and attachments.
Updated: 2026-01-22
Client-side vs server-side PDF redaction: what’s safer?
Understand the trade-offs between browser-based processing and upload-based PDF tools.
Updated: 2026-01-20
Redacting UK visa or UKVI-related documents: practical safety steps
A non-legal, practical guide to redacting visa-related PDFs and supporting documents before sharing.
Updated: 2026-01-19
How to redact bank statements for renting (UK) without oversharing
A step-by-step guide to removing sensitive data from bank statements while keeping what landlords need.
Updated: 2026-01-17
Redaction vs masking: why black boxes aren’t always safe
Understand the difference between true redaction and visual masking in PDFs, and how leaks happen.
Updated: 2026-01-16
GDPR PDF redaction checklist (UK): share documents safely
A practical checklist for redacting PDFs before you email, upload, or share them in the UK.
Updated: 2026-01-14