Many services ask for an ID copy – but you can hide what isn't strictly required. Blackline AI redacts MRZ, document number and signature so you keep control of your identity.
Black bars are baked into a flattened image – the text underneath cannot be copied, searched or recovered.
OCR, rendering and export happen on your device. Only extracted text is sent to AI for classification.
Files are never stored on our servers. Close the tab and the document is gone.
Works with multi-page PDFs and scanned images thanks to built-in OCR.
It depends on the recipient. For hotels, marketplaces and gyms, redacting the number/MRZ is widely accepted. Government services usually require full copies.
Yes – use the watermark feature to add purpose-limited overlays before export.
Photos are removed via manual redaction – draw a box over the photo area.
No. Processing is local and the file is discarded when you close the tab.
Free for 3 documents per month. No signup needed to try.