How to redact a utility bill before sharing a copy
What to black out on a utility bill (and what to keep) before you hand over a copy, plus a recommended watermark — done on-device, nothing uploaded.
Black out account number, any card or bank payment details, usage and personal details you don't need to show on your utility bill; keep your name and your service address visible. Add a "For [purpose] only" watermark and export a flattened PDF from your iPhone — nothing uploaded.
What a utility bill reveals
A utility bill is a common proof of address; it shows your name, service address, account number, and amount due. Banks and agencies accept a recent utility bill as proof of where you live.
The account number with your name and address supports account-takeover and address fraud.
What to redact
- Account number It can be used to social-engineer the utility and take over the account.
- Any card or bank payment details Printed payment info enables direct fraud.
- Usage and personal details you don't need to show Minimize to just what proves your address.
What to keep visible
- Your name
- Your service address
- The issue date, to prove the bill is recent
Redact your utility bill in 4 steps
- Pick the photo. Open Cachera and choose the photo of your utility bill with the system picker — only that photo is read, never your whole library.
- Black out the sensitive fields. Drag a black block over the account number and any card or bank payment details. On export the pixels are destroyed — nothing is recoverable underneath.
- Add a purpose watermark. Stamp who the copy is for, e.g. "For [purpose] only", so it can't be reused elsewhere.
- Export and share. Lay it out on A4, export a PDF, and share it. Everything stays on your iPhone — nothing is uploaded.
FAQ
What should I black out on a utility bill?
Hide account number, any card or bank payment details, usage and personal details you don't need to show. Keep your name and your service address visible so the copy is still useful.
Is it safe to send a copy of my utility bill?
Only a redacted one. The account number with your name and address supports account-takeover and address fraud. Black out the sensitive fields, add a purpose watermark, and share a flattened copy so it can't be reused.
Can redacted areas be recovered from the file?
No. Cachera flattens the black blocks into the image on export — there is no layer beneath them, so the covered details cannot be recovered from the PDF.
Redact it now — on your iPhone, nothing uploaded
Cachera blacks out the pixels for good, stamps a purpose watermark, and exports a print-ready PDF. Fully offline.