Original evidence
Choose the phone folder
Select a folder such as DCIM, Download, or an app’s export folder.
Pre-wipe evidence / Android
Compare the folders on your phone with a USB drive, synced WebDAV folder, S3 download, or saved manifest. Get a dated, portable receipt—not another backup promise.
Inspection desk / 01
Choose matching folder roots. We read filenames, sizes, dates, and file content only long enough to hash them in this browser.
Original evidence
Select a folder such as DCIM, Download, or an app’s export folder.
Backup evidence
Pick the copied folder on USB/local storage, or import a manifest made on the destination.
Preparing inventory
Both inventories ready
Ready to compareStart with the source folder. Large files use a disclosed sampled fingerprint to protect memory and battery.
Coverage receipt
A receipt proves only the folders selected at this time. Open a few important files on the destination before wiping your phone.
Method / 02
Android’s file picker controls what this app can read. Protected app data stays protected.
Small and medium files use full SHA-256. Files over 32 MB use clearly marked, low-memory sampled SHA-256.
Export JSON for machine-readable evidence or CSV for inspection. No account is required.
Scope / 03
It verifies user-selected photos, downloads, documents, and app-export folders. It cannot see protected app data, messages inside apps, system settings, or anything you do not select.
Matching filenames and bytes are strong evidence, not a guarantee that a remote provider will retain them forever. Keep two copies of irreplaceable files.
Optional / Migration Kit
The complete verifier and every export stay free. A one-time $7 Migration Kit unlock saves up to 20 receipt summaries on this device and makes repeat moves easier.
One-time purchase. Sociobot/Dodo is the merchant of record and handles refunds. A refund revokes the license.