Share secrets without trusting the server
Paste text or code, encrypt it in your browser, and share a link. The decryption key never leaves the URL fragment.
Paste, encrypt, and share — no sign-in required.
- 1
Paste
Drop sensitive text or code into the composer.
- 2
Encrypt
Cryptbin encrypts in your browser before anything is uploaded.
- 3
Share link
Send the secure URL. The decryption key stays in the fragment.
Security model
Why developers use Cryptbin
Share API keys, configs, and snippets without handing plaintext to the server.
Client-side encryption
Content is encrypted in your browser before upload.
Keys stay in the URL
The server stores ciphertext only. The key stays in the URL fragment.
Ephemeral by default
Set expiry or burn-after-read for one-time shares.
Optional accounts
Sign in for vault recovery and link metadata.
Who it's for
Teams that handle sensitive data
Hospitals
PHI handoffs outside the EHR
Legal
Case files & discovery
Finance
Credentials & deals
Engineering
Keys & configs
Education
Records & access
Government
Sensitive briefings
Insurance
Claims & records
HR
Offers & PII
Beyond quick paste
More ways to use Cryptbin
Share, collect, or decrypt — three paths, same client-side encryption.
Encrypt & send
Share content
Encrypt text or a file in the browser, then send one link. The key stays in the URL fragment.
Start a shareGather securely
Collect answers
Use encrypted forms or structured secrets when you need responses or key–value packs locked to you.
Create a formOpen a link
Decrypt
Already have a Cryptbin link? Unlock ciphertext in the browser — nothing decrypts on the server.
Open decrypt tools
Ready to share securely? Paste and get a link.
Paste and get a link