BEFORE YOU SHARE · ON-DEVICE

Make your mark visible —
or keep it invisible.

Design a text or logo watermark that fits the photo, or add an invisible SIGNA signal without covering it. Later, SIGNA Inspect brings the signal, file/EXIF and image-state information together on your Android device, with Pro reports when you want a saved summary.

See the 3-step workflow

Free to install · 5 image analyses each month on Free · More analysis and Pro features with Pro

Android · Visible watermark + invisible SIGNA signal · Supported photo processing on-device

PROTECT → INSPECT → REPORT

Prepare before sharing. Inspect when the file comes back.

SIGNA connects the before-share and after-share parts of the same photo workflow.

Prepare the copy

Use a visible watermark, an invisible SIGNA signal, or both in the Visible flow.

Share as usual

Post or send the prepared copy the way you normally do.

Inspect and keep the result

Review the current file in SIGNA Inspect and, with Pro, save or export a report.

01 · PROTECT

Make the watermark part of the photo,
not an afterthought.

Add text or a logo and tune the font, color, size, opacity and position to suit the image. Process up to 12 photos at once, adjust placement per photo, and reuse saved designs. Applying a visible watermark also inserts the invisible SIGNA signal in the same flow.

Text or logo · Up to 12 photos · Per-photo placement · Saved designs · Pro downloadable fonts · SIGNA signal in the same flow

How should you watermark a photo before sharing? →

02 · PROTECT

Prepare the photo
without covering it.

When you do not want text or a logo on top of the image, add only the invisible SIGNA signal. Choose Original for a reference copy or SNS for a share-ready copy, and process up to 9 photos at once. Later, SIGNA Inspect can read the signal and compare it with a local insertion record when one exists on that device.

Original or SNS · Up to 9 photos · Optional certification key · Local insertion record · Inspect later in SIGNA

How does an invisible signal fit into a sharing workflow? →

03 · INSPECT

Signal, file information and image state,
in one place.

SIGNA Inspect organizes the SIGNA signal, file/EXIF information, image-state clues and Content Credentials information when present. If the same device has a matching insertion record, that relationship is shown alongside the file information.

SIGNA signal · File/EXIF · Image state · Content Credentials when present · Local record match

What can you actually learn from a photo file? →

Try SIGNA with one of your own photos.

Prepare a copy, then open Inspect to see how SIGNA brings the signal and the file’s information together.

Try SIGNA on Google Play →

04 · REPORT

Turn the results into
something you can keep.

Pro Evidence Report brings the main observations and their context into one local report you can review, save and export.

SIGNA signal and local insertion-record context
File/EXIF, image-state and Content Credentials information when available
A saved report you can return to or export

DOCUMENT IMAGES · INVISIBLE SIGNAL

Sharing a document as JPG or PNG?

When a visible watermark would get in the way, you can add an invisible SIGNA signal to a supported document image before sending it. The page stays readable, and the image can be checked again later in SIGNA.

Useful for quotes, confirmations and other image-based documents · Keeps the page visually clear · Works with supported JPG/PNG image workflows

See the document-image workflow →

SUPPORTED PHOTO PROCESSING ON-DEVICE

Work with the photo
on your Android device.

Supported watermarking, SIGNA signal inspection and image-state review run on the Android device without requiring that photo to be uploaded to a SIGNA server for that processing. That is useful for client images, family photos and work that is not ready to be shared publicly.

Prepare the next photo before it leaves your hands.

Make the mark visible, keep the signal invisible, and come back to the file when you need to inspect it.