A screenshot of the entire page or a selected area is immediately saved as JPG — without extra tabs or preview windows.
We needed a Chrome screenshot tool that doesn't open extra tabs, editors, or preview windows. Existing extensions either show a preview before saving or come with cloud sync and extra interface — we wanted behavior like the native macOS screenshot: select or capture the whole page and get the file right away.
We built an extension on Manifest V3. For full-page capture: the browser scrolls through the page step by step and stitches segments together using OffscreenCanvas directly in the background service worker. Area selection works like the native macOS screenshot — an overlay with a crosshair cursor and live selection size, Esc to cancel. The resulting image is immediately converted to JPEG and saved via the browser's downloads API — no tab is opened. The interface is translated into Russian and English, switching automatically based on the browser language.
The extension is published on the Chrome Web Store and on GitHub under the MIT license. It works in one click — without third-party viewers or editors. All processing happens locally in the browser; no data is collected or transmitted anywhere.
Project source code is available in a public GitHub repository.
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