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Best redact photo apps for iPhone in 2026
For hiding private data in a passport, ID, payslip or contract before you send it, with on-device suggestions, a purpose watermark and a flattened export, MaskID. For redacting text across photos and PDFs with search and match, Whiteout. For blacking out text in screenshots with a swipe that snaps to the words, Black Highlighter. For a hard-to-remove watermark on an ID copy, fully offline, Watermark ID Card Protect. Full breakdown below.
How we picked: we read each app’s own App Store description for what it hides, how it finds sensitive text, whether it works offline and how the exported copy is protected. We do not quote prices; check them in the store for your country.
Hide private data before you share a document
MaskID, from a developer in Valencia, Spain, is built for the moment you have to send a passport, ID, payslip, contract or invoice to a landlord, employer, bank or agency. You capture or import the document from the camera, Photos or Files, on-device OCR suggests areas that may hold private data, even offline, and you review and adjust every mask yourself: ID numbers, addresses, signatures, phone numbers, emails and bank details. A watermark such as "For rental application only" states the purpose of the copy. The export flattens hidden areas into a rasterized PDF or image, checks for hidden text and recoverable layers, and strips common GPS, camera and timestamp metadata. Sensitive originals can stay in a local Vault behind Face ID or a PIN with AES-GCM encryption, and core protection works without an account. It lists English and Spanish.
Redact text in photos, screenshots and PDFs
Whiteout marks up text in photos and PDFs: redact, highlight, blur, pixelate, erase, draw and sign, with suggested redactions and a search that finds a word and redacts every repeat of it. It opens straight from the Photos share sheet; the free plan saves a limited number of documents with branded exports, and Pro removes the limit and the watermark. Black Highlighter lets you swipe over text in a photo or screenshot, and the Magic Highlighter snaps to cover it exactly. Its Ultra Highlighter detects names, addresses and phone numbers automatically, redacts your own list of words, works with Shortcuts, and scans paper documents to redact them. Both run on iPhone, iPad and Mac.
Watermark an ID copy offline
Watermark ID Card Protect puts a watermark of random waves, isolines and deformations on an ID, driver’s license or passport copy, meant to resist retouching, and blocks the document number, address, signature, MRZ or QR codes with a tap. Everything runs on the device, even in airplane mode, and you export a JPG, PNG or flat PDF. For keeping keys and passwords safe on a Mac, see secrets managers for Mac.
| App | Best for | Finds sensitive data | Export |
|---|---|---|---|
| MaskIDCensuusApp Store | ID and everyday documents before sharing | on-device OCR suggests areas, you review each one | rasterized PDF or image, metadata removed |
| WhiteoutApp Store | photos and PDFs | suggested redactions, search and match repeated text | high resolution, branded on the free plan |
| Black HighlighterApp Store | screenshots and photos | the highlighter snaps to text; names, addresses and phones with Ultra | share straight from the app |
| Watermark ID Card ProtectApp Store | watermarking ID copies | one-tap hiding of document number, address, signature, MRZ | JPG, PNG or flat PDF |
Часті запитання
How do I black out text in a photo on iPhone?
A redaction app does it cleanly: in Black Highlighter you swipe over the text and it snaps to cover it, and Whiteout can find a word and redact every place it appears.
How do I hide my ID number before sending a copy of my passport?
MaskID suggests the private areas of a document, lets you mask each one, adds a purpose watermark and exports a flattened copy. Watermark ID Card Protect hides the document number, address, signature and MRZ with a tap.
Can redacted text be recovered from a PDF?
It can if the hidden areas are only covered, not flattened. MaskID flattens hidden areas into a rasterized PDF or image and checks the exported copy for hidden text and recoverable layers.
Is there a redaction app that works offline?
MaskID’s on-device OCR works without an internet connection, and Watermark ID Card Protect processes everything on the device, even in airplane mode.