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Feature checklists make every tool look equivalent. This table leads with the three things that actually differ — what it costs you before it works, whether your files leave your device, and where the free version stops.
| Bitwarden Sendbitwarden.com | Onetime Secretonetimesecret.com | Smashfromsmash.com | WeTransferwetransfer.com | |
|---|---|---|---|---|
| What it does | Shares a password through a link that stops working after one view | Puts a secret behind a link that destroys itself once it is opened | Sends a file of any size without charging you for the big ones | Drop a file, type two email addresses, and it sends a download link |
| What it costs you | Free tierA genuinely usable free tier with paid plans for volume or team features. | No sign-upWorks the moment the page loads. No account, no email, no trial. | Free tierA genuinely usable free tier with paid plans for volume or team features. | Free tierA genuinely usable free tier with paid plans for volume or team features. |
| Your files | Runs on their server | Runs on their server | Runs on their server | Runs on their server |
| Where it stops | File sends need a paid Bitwarden account — only text sends are included free. | Text only and length-limited — there is no way to attach a file to a secret. | Every link expires between 1 and 30 days, and receiving files from others requires a paid plan. | Free transfers stop at 2 GB and expire within days — there is no way to keep the link alive. |
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| Category | File Sharing & Transfer | File Sharing & Transfer | File Sharing & Transfer | File Sharing & Transfer |
| Last checked | 2026-07-29 | 2026-07-29 | 2026-07-29 | 2026-07-29 |
| Open the site | Open | Open | Open | Open |
This comparison is in the address bar — copy the URL to send it to someone.