Tamper-evident provenance

Wrap your files.
Prove your work.

Select a project to wrap into

Drop one file or a whole batch. Each gets a signed manifest you can save anywhere.

Drop files to wrap

single file or batch — drop as many as you need

JPEGPNGMP4 MOVPDFDOCX EXRDPX

Batch mode: drop or select multiple files at once

⚠️ Your browser doesn't support the File System Access API. Files will download to your Downloads folder instead.

Wrapped & Signed

Your file is protected with a tamper-evident manifest.

JPG

file.soma.json

Ed25519 signed

🛡️ Generate share card

Verification URL

somantix.ai/v/…

QR Code

Embed in file

Save manifest

Choose how to save the Soma manifest for this file. The original is never modified.

JPG

file.soma.json

Soma manifest · Ed25519 signed

📂 Choose save location

Opens a native OS file picker so you can save next to your original or anywhere you like.

⬇️ Download to Downloads folder

Saves directly to your Downloads folder without a file picker.

📋 Copy JSON to clipboard

Copies the full manifest JSON so you can paste it anywhere.