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Send software license keys and activation codes securely. No permanent record in chat or email.
A software license key is a bearer token for paid software. Whoever holds the string XXXXX-XXXXX-XXXXX-XXXXX can activate the seat on their hardware, decrement your remaining activations, and lock the legitimate purchaser out until support intervenes. Office product keys, JetBrains personal licenses, Adobe serials, Autodesk codes, and Pro Tools iLok strings all share this property: possession equals entitlement.
The grey-market and scraper economy depends entirely on leaked keys. Bots watch GitHub gists, Discord pastebins, support tickets, and helpdesk emails for product-key checksums (BG-NNN, MAK, KMS host strings). Once harvested, a key is replayed against the vendor's activation endpoint, sold on grey storefronts, and exhausts the activation count before the rightful owner reinstalls. The user then hits a hard lockout and phones the anti-piracy line.
PasteOnce fits the moment a key has to move between humans without leaving a forwarded trail. The buyer pastes, the recipient taps once, ciphertext deletes, and the vendor never sees a replay tied to your account. Pair with the vendor's deactivation portal to reclaim seats when machines retire.
Client-side encrypted. We can't see your data.
Your data is encrypted in your browser before it leaves your device.
Messages are automatically deleted after being read once.
We never see your data. Only encrypted blobs pass through our servers.
Links work exactly once. Refresh the page and it's gone forever.
Your sensitive data is encrypted in your browser using AES-256-GCM. The encryption key is generated randomly and never sent to our servers.
Only the encrypted blob is stored in our database, with an automatic expiration time. We literally cannot read your data.
When your recipient opens the link, the encrypted data is fetched and immediately deleted from our servers using an atomic Redis GETDEL. The key in the URL hash decrypts the message in their browser.
Adobe Creative Cloud sign-out, Autodesk Account Portal seat release, and JetBrains license revoke all free a slot before the recipient activates. Run the release first, paste second — avoiding an immediate 'maximum activations exceeded' dialog.
Vendor receipts contain order ID, billing address, and proof-of-purchase metadata. Strip those out and send only the key via PasteOnce. If the receiver needs proof, hand the redacted PDF over a separate channel.
1Password, Sublime Text 4, Tableau, and most modern SaaS vendors have moved to email-account-bound entitlements rather than raw strings. When migrating, transfer ownership through the vendor's portal — the audit trail belongs there, not your inbox.
Keep a spreadsheet of key, recipient, machine, and vendor seat ID. When a contractor leaves or hardware is decommissioned, revoke through the portal and reissue. Apply the discipline you give API tokens.
You install a new motherboard and the FPP retail license needs to migrate. Run slmgr.vbs /upk on the retired machine to uninstall the product key, paste it into PasteOnce, read on the new build, then run slmgr.vbs /ipk and slmgr.vbs /ato.
A six-week contractor needs IntelliJ Ultimate. Rather than emailing the activation code from your JetBrains Account, paste it through PasteOnce, set a 1-hour TTL, and revoke the seat in the JetBrains license portal the moment the contract ends.
Your designer's iMac dies and the Creative Cloud entitlement is tied to a serial buried in a 2019 receipt. IT pulls the serial from records, sends via PasteOnce while the designer is on hotel Wi-Fi, and Adobe's deactivation hotline is never required.
An audio studio runs Pro Tools through iLok Cloud. A new engineer needs the code that pairs their iLok account to the team license. PasteOnce delivers it; they bind through iLok License Manager; the link evaporates before any scraper notices.
Usually one of two causes. The activation count was exceeded because the key was leaked or sold grey-market — Microsoft telemetry blacklists keys with anomalous patterns. Or an OEM key was used on second hardware. Check the error code with slmgr.vbs /dlv.
Depends on the EULA. Microsoft retail FPP, Adobe perpetual serials, and JetBrains personal licenses allow transfer with original deactivation. OEM keys, volume MAK keys, and education licenses forbid transfer. Read the specific EULA — 'I bought it' does not mean 'I can give it away'.
Safer than a paid activation key because these are single-redemption — once redeemed they are useless. Still prefer PasteOnce so the unredeemed string does not sit in inbox archives where a credential-stuffing breach could harvest hundreds at once.
Treat it like a leaked API token. Log into the vendor account, revoke the activation if possible, and contact support to flag the key. Most vendors reissue once on documented loss. Rotate any related credentials in the same paste.