Short answer: choose SecretShare for a minimal, no-account browser-encrypted flow with small-file support. Consider OneTime Secret when you need its regional service, API, custom domains, branding, or paid team controls. Verify current plan details before adopting either service.
Feature comparison
| Capability | SecretShare | OneTime Secret |
|---|---|---|
| Core use | One-time encrypted text or one file up to 150 MB | One-time secret messages |
| Documented encryption model | AES-GCM in the browser; key in the URL fragment | Encryption in transit and at rest; official docs describe server-side encryption |
| Account for basic sharing | Not required | Not required for basic functionality |
| Passphrase | Optional, used in browser-side key derivation | Optional protection documented |
| Expiration | 1 hour, 24 hours, or 7 days; one confirmed retrieval | Varies by plan, with current documented limits up to 7–30 days |
| API and teams | Small public beta API; no team dashboard | REST API plus paid branding, SSO, and team options |
Where SecretShare is different
SecretShare generates and applies the encryption key in the browser. The key is placed after the URL hash, which browsers omit from HTTP requests. This keeps the key separate from the server-side ciphertext record. The implementation also supports a single small file, including encrypted filename and media-type metadata.
The tradeoff is intentionally limited scope. There is no identity system, organization dashboard, custom domain workflow, recipient email verification, or enterprise audit surface. A one-time link also does not prove recipient identity.
Where OneTime Secret is different
OneTime Secret is a broader hosted product. Its current documentation lists regional endpoints, a REST API, custom domains, branding, longer expiration options on paid tiers, and team features including SSO. Its official security overview describes encryption in transit and at rest, and its documentation describes server-side encryption rather than SecretShare's fragment-key browser model.
That does not make either architecture universally better. The decision depends on whether your priority is a minimal local-encryption workflow or managed identity, branding, regions, and administration.
Decision checklist
- Use SecretShare when the recipient should not need an account and the payload is text or a file no larger than 150 MB.
- Evaluate OneTime Secret when custom domains, workspace branding, team administration, or regional endpoints are requirements.
- Use a password manager or secrets manager instead when people or systems need repeat access, granular revocation, or audit trails.
Sources and review basis
Competitor details were checked against the official OneTime Secret documentation, its security overview, and its plan comparison. Product features can change. OneTime Secret is a trademark of its respective owner; this page is independent and is not an endorsement.
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