⚠️ Caution — Maintenance
Under maintenance
Threadlock is temporarily offline for maintenance. Please check back soon.
Sign in to your encrypted channel — compose, lock, and unlock messages with a key only you hold.
Sign in daily to build your streak.
Get support, updates, and chat with other users on our Discord.
A quick look at how locked-down your account is, and what you can do to make it stronger.
Type something private and get a one-time link. The moment someone opens it, it's revealed once and destroyed forever. The secret is encrypted in your browser — the key lives only in the link, never on our servers.
Earn points by unlocking achievements, raising your security score, and staying active. Top 50 shown.
Badges, founder numbers and open giveaways. All cosmetic — nothing here changes what your account can do.
What's new, what's fixed, and what's improved — every release, all in one place.
Live status of Threadlock's services, and a history of any incidents.
Exactly how your data is protected — and what we can't see.
Threadlock is an independent, privately-owned company. We are not affiliated with, endorsed by, or connected to the United States government or any government agency. We just love our country and believe strong, private encryption is worth building here at home.
About Threadlock →Saved keys live on this device. Only save on a device you trust.
Saved encrypted messages, stored only on this device. Pin favorites with the star.
Lock a file or photo with AES-256. You get back a .vault file that only opens with the same key.
Drag a file in or click to choose. Large files take a moment.
Drag the locked file in and enter its key.
Lock files into your encrypted locker on this device. They stay encrypted and only open with your key (entered above).
Encrypt a file and get a link to send. The file is decrypted only in the recipient's browser — we never see it. Set it to expire or cap how many times it can be downloaded.
Your encrypted password vault. Everything's locked on your device — we never see it.
Handy utilities, all running locally in your browser.
Turn any link or text into a scannable QR code — great for sharing your invite link.
Quick transforms — paste text, pick an action.
Test how strong a password is (checked locally, never sent anywhere).
Quick conversions for length, weight, and temperature.
See the current time in cities around the world.
Days between two dates, and your age.
Split a bill and figure out the tip fast.
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Powered by GlobalWeather — live radar, forecasts, and severe-weather alerts.
Email us or ask the community on Discord — we're happy to help.
Start a live chat with our support team. A staff member will respond as soon as they can.
Optional — add a picture so friends recognize you. You can remove it anytime.
Switch between dark and light, and pick an accent color.
Sign out automatically after a period of inactivity, so nobody can read over your shoulder.
On phones, use your browser's "Add to Home Screen" to install Threadlock like an app with its own icon.
Soft clicks and hovers as you move around the app.
Pick any color for buttons and highlights.
Comfortable or compact spacing.
Last sign-in: —
The last few times this account signed in, on this device.
Update your own passcode. It syncs so you can use it on any device.
One-time codes to reset your passcode if you forget it. Save them somewhere safe — they're shown only once.
Add an authenticator app (Google Authenticator, Authy, 1Password) as a second step when you sign in. Works offline once set up.
Set a special passcode. If you're ever forced to unlock your account, enter this instead — it instantly clears your vault, notes, and drafts from this device and shows an empty sign-in. Your cloud account stays recoverable.
⚠️ Make it different from your real passcode and your decoy code. Only use it in a real emergency — it deletes local data immediately.
A personal duress code. Sign in with your username and this code to open a normal-looking but empty app — nothing real is shown.
Devices currently signed into your account. Sign out any you don't recognize.
Your recent encrypt/decrypt actions on this device.
Download a copy of your account data, or permanently delete your account.
How Threadlock works and handles your data.
Make it yours. The header and splash will use this name (or "Threadlock" if empty).
Auto-wipe erases all Threadlock data on this device after too many failed logins. Panic wipe does it now.
Live overview of your platform.
Events, sessions, and account risk at a glance.
Message users through the site. Addresses stay hidden — you send by username.
Review entries, hand out badges, and run the short-handle pool.
Automated plumbing checks (these really hit your cloud), plus a manual checklist — click Go to jump to a feature, test it, then mark it Pass or Fail.
Rename, reset passcodes, ban, promote, or remove operators on this device.
| Operator ▲ | Role | Status | Security | Added |
|---|
Export this operator list as a file, then import it on another device to share the same accounts.
Choose how new operators join.
Users are given random usernames. This code lets someone choose a custom one.
Before launch, signups are gated to the waitlist. Share the early-access code to let founders and testers in now. Signups open automatically at the launch date.
Anyone entering this on the sign-in screen can create an account before launch.
Changes the countdown and auto-open time across the whole site. Pushing it later re-gates signups until the new time.
Put Threadlock into lockdown. Operators see a maintenance screen and can only get in with the override code.
Locks the entire app, status page, and Discord bot. Nobody can sign in except with the emergency password you set. Use only in a real emergency.
Plan maintenance windows ahead. Lockdown turns on and off automatically, on every device.
Push an announcement banner to everyone signed in, on every device.
Block banned language. Each violation is a warning; reaching the limit triggers the action below.
Send warnings, bans, and new signups to a Discord channel via a webhook.
Manually set what your public status page shows. "Auto" hands control back to the 5-minute checker.
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Sync slash commands, post announcements, and check the bot — no terminal needed.
Open Bot Control ↗A private scratchpad and checklist, kept on this device. For anything truly sensitive, use the Hidden vault instead.