Locki for Firefox — Encryption That Respects Your Privacy

Locki brings secure, local AES-256-GCM encryption to Firefox — the browser built on privacy and transparency. Encrypt and decrypt team data instantly without sending anything in plaintext.

Get it on Firefox Add-ons

True Local Encryption

Your data never leaves your browser in plaintext — encryption and decryption happen entirely on your device.

Privacy-First Design

Built to align with Firefox's open-source values and user-first privacy philosophy.

Secure Org Key Sync

Organization keys managed by your admin sync automatically — no manual sharing required.

Lightweight & Fast

Minimal overhead, instant encryption — Locki fits seamlessly into your Firefox workflow.

Works Everywhere You Browse

Use Locki in Firefox across Gmail, Notion, Slack, Google Docs, Jira, and any web app.

Check our Docs

Learn more about Locki features and how to use them in our comprehensive documentation.

Learn More

Add Locki to Firefox today

Protect what your team writes, wherever they browse. Locki keeps data private — no plaintext in transit, no compromises.

Install Locki for Firefox