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Sealshot Sealshot Documentation

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Welcome to Sealshot

Sealshot is a screenshot and screen-recording studio for the Mac. Capture any part of the screen — or a whole scrolling page, or video — annotate and redact it, then organize, search, and share the result. Everything happens on your Mac: no account to create, no cloud between you and your work, no telemetry.

A capture open in the Sealshot editor The editor — one of the five parts of the app mapped in the Quickstart.

The ideas behind it

Section titled “The ideas behind it”

Private by architecture

Section titled “Private by architecture”

Screenshots are the most casually sensitive files on a computer — they capture whatever happened to be on screen, credentials and all. So Sealshot processes everything locally: capture, recording, OCR, search, AI metadata, redaction. Its only network activity is three downloads — the update check, a public list of revoked licenses, and an optional model download you approve first. See Security & privacy and the privacy policy.

Your work stays editable

Section titled “Your work stays editable”

Captures are saved as .seal packages: the original pixels (or video) plus your annotations and metadata, in one file. Reopen a capture next month and every arrow, blur, and text box is still an object you can move or delete — nothing is ever flattened unless you export it that way.

Sensitive content is a first-class problem

Section titled “Sensitive content is a first-class problem”

Most screenshot tools leave privacy to your vigilance. Sealshot has machinery for it: Smart Redaction finds emails, card numbers, API keys, and other sensitive text and proposes redactions for you to review; Enhanced Security encrypts your library at rest behind Touch ID; and .sealshare export wraps captures in an encrypted, passcode-protected package for sending.

Yours to keep

Section titled “Yours to keep”

Every install starts with a 14-day free trial — full-featured, no account, no card. After that, Sealshot is a one-time purchase, activated by a license file that works entirely offline — no account, no activation server. The app never stops working, and update renewals are entirely optional.

What you can do with it

Section titled “What you can do with it”
  • Capture a region, window, or display — including scrolling pages and multi-monitor setups.
  • Record the screen with system audio and microphone, controlled from a floating HUD.
  • Annotate & edit with arrows, shapes, styled text, blur, focus effects, crop, and resize — all undoable, all persistent.
  • Redact sensitive text automatically, with every proposal reviewed by you before it burns in.
  • Organize & find everything in a searchable library — OCR’d text, AI titles, summaries, and tags included, all generated on-device.
  • Share as a flat PNG or movie for anywhere, or as an encrypted package when it matters who can open it.

What it runs on

Section titled “What it runs on”

macOS 14 (Sonoma) or later, on Apple Silicon and Intel alike. A few on-device AI extras need newer hardware — see Which Macs run what.

Where to go next

Section titled “Where to go next”