Encrypted on your device
Scans and search index are stored with AES-256 encryption; the key is derived from your passphrase (Argon2id). Without that passphrase the archive cannot be read — not by your cloud provider either.
For paper stacks with no system
Secure. No account. No ads.
File your paper without inventing a filing system
Doctropy puts a QR code into every binder and reads your documents as you photograph them. Later, search tells you which binder a letter is in and where in that binder it sits.
Everything stays on your phone. No account, no server, nothing stored with us.
Filed in three steps
No scanner, no label printer, no folder structure. One sheet of paper and the camera you carry anyway.
-
Print a divider and file it
For each binder the app creates an A4 divider sheet with a QR code (
O-0001,O-0002, …). Put it at the front of the binder — that is all the labelling you need. -
Photograph the document
Place the divider next to the document and photograph both together. The QR code tells the app which binder the document belongs to.
-
Find it again
Text recognition runs on the phone itself. Search for a word from the letter — the app names the binder and the position in the stack.
Why Doctropy
The app is built so that we cannot see your documents at all — not as a promise, but as a matter of construction.
Your storage, not ours
The archive is a directory you choose yourself: on the device or in your own cloud storage. We run no server that ever sees your documents.
Paper stays paper
You keep your binders and your stacks. Doctropy does not replace your filing — it just remembers where things are.
Full-text search across everything
Not just file names: the search covers the recognised text of every document — sender, subject, reference numbers, amounts.
Order without touching the stack
Nothing to re-sort, nothing to rename, no folder structure to invent. You file one sheet and take one photo — the app does the rest.