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Publishers list checksums so you can tell an intact download from a corrupted or tampered one. Drop the file, paste the published checksum, and get a plain answer — hashed on your device, so the file itself never travels.
or drop one anywhere on this card — it is hashed here, never uploaded
Paste into the editor or open a file — everything you add stays in this tab, and you see exactly what the tool will work on before anything runs.
Your browser does all the work locally. Nothing is uploaded — what you paste never leaves this tab, so there’s nothing for anyone to store, scan, or leak.
One press puts it on your clipboard, ready to paste where you need it. There is no file to download — the result is text, not a document. Close the tab and nothing of what you pasted remains.