Runs entirely on your local device. Your files never leave your device.
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Yes. Splitting PDFs on FormatGrid is completely free, with no page count limits, file size caps, watermarks, or account sign-up required.
Nowhere. Your files never leave your device — FormatGrid never uploads, transmits, or stores them on any server. All PDF splitting happens locally in your browser's memory and is discarded once you close or refresh the tab.
Most online PDF splitters upload your document to a remote server, process it there, then download the result back to you. FormatGrid performs every step locally on your device's CPU, eliminating upload time, processing queues, and download delays.