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Group Name (optional)

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Description (optional)

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Allow members to add others

When off, only you (the group owner) can add new members.

Message (optional)

Full Public Key (npub)

A "pubkey" aka "public key" is one half of a keypair: your public key identifies you to everyone, like a username, while your private key proves you are really you, like a password. Others use this pubkey to find you on Nymchat, and you use theirs to find them. The same key has two formats — npub1… and hex — and they are interchangeable. The four characters after the # in a nickname are the last four of the hex format.

Nickname

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Avatar

Banner

Bio

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Short bio shown on your profile (max 150 characters)

Bitcoin Lightning Address

Your Bitcoin Lightning address for receiving zaps

Reveal this nym's private key

Your private key (nsec) is like a password for your Nym identity. Anyone with access to it can post as you and read your encrypted messages. Store it securely in a password manager and never share it publicly. You can use the nsec to login on Nymchat.

nsec (Nostr Private Key)

Post-quantum recovery code

This code, not your nsec, is what makes your messages quantum-resistant. Copy it to any other device you use this account on — without it, that device can read new messages but not the quantum-resistant ones, and if you lose every device holding it, that history is gone for good. Store it with your nsec and never share it.

Replace with a different code

If this device created a new code by mistake and you still have your previous nympq1… code, paste it here to make it this account’s recovery code again, on this device and in your synced account record.

Post-quantum recovery code

This device has no recovery code yet. Paste the one from a device that already has it — you will find it in this same panel there — so both can read the same quantum-resistant messages.

Key Backup

Each backup holds your private key and, when this device has it, your post-quantum recovery code. Your key stays yours: the backup is encrypted, and only your PIN or your passkey can unlock it. Back up again after your recovery code changes.

Save an encrypted copy in your Google account, protected by a PIN you choose. Google can't read the copy without your PIN. Restore it on another device with Continue with Google.

Save an encrypted copy in your Apple account's iCloud, protected by a PIN you choose. Apple can't read the copy without your PIN. Restore it on another device, in the iPhone app or any browser, with Continue with Apple.

Create a passkey that holds an encrypted backup. Only the passkey can unlock it, and your passkey provider syncs it to your other devices. Restore it with Continue with a passkey.

                                            ##\                  ##\
                                            ## |                 ## |
#######\  ##\   ##\ ######\####\   #######\ #######\   ######\ ######\
##  __##\ ## |  ## |##  _##  _##\ ##  _____|##  __##\  \____##\\_##  _|
## |  ## |## |  ## |## / ## / ## |## /      ## |  ## | ####### | ## |
## |  ## |## |  ## |## | ## | ## |## |      ## |  ## |##  __## | ## |##\
## |  ## |\####### |## | ## | ## |\#######\ ## |  ## |\####### | \####  |
\__|  \__| \____## |\__| \__| \__| \_______|\__|  \__| \_______|  \____/
          ##\   ## |
          \######  |
           \______/

By entering, you agree to our Terms of Service and Privacy Policy.

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Auto matches your system preference

App Language

Translate the entire app interface into your language. Message text is handled separately by the translation settings below.

Theme

Colorful Messages

Tint message text with each sender's color. Off keeps text neutral and colors only the nym and avatar.

Message Layout

alice#e45fhey there!

you#6si9hello!

bob#2t5gwhat's up?

Bubbles (Default)

<alice#e45f> hey there!

<you#6si9> hello!

<bob#2t5g> what's up?

IRC Style

Choose between classic IRC-style or modern chat bubbles

Message Threads

Group replies under their original message. Replies open in a thread view and the original shows a reply count. Disabling shows every message inline like before.

Chat View

Single Chat (Default)

Column View

Single shows one conversation at a time. Column view shows channels, PMs, and group chats side by side in scrollable columns you can add, remove, and drag to reorder.

Column Message Wallpaper

In column view, let your chat wallpaper show through the message area of each column instead of a solid background.

Chat Wallpaper

None

Geometric

Circuit

Dots

Waves

Topography

Hexagons

Diamonds

Upload

Choose a background pattern or upload your own image (min 1920x1080)

Visual Transparency

Choose between Solid or Glass, where messages, modals, sidebars, and other surfaces are rendered with either solid backgrounds or a translucent "Glass" look.

Text Size

A A 15px

Adjust the size of all text across the app

Larger touch targets

Bigger buttons, menu rows and fields for easier tapping.

Higher contrast

Stronger colors for small and dim text.

Show Timestamps

Time Format

Date Format

Used in the full timestamp shown when tapping a message time

Identity Encryption

Optionally protect your saved identity's (nsec) private key with a password, PIN, passkey, or biometric (Face/Touch ID) so it can't be read from this device without unlocking. Passkeys (synced or hardware security keys) and biometrics use WebAuthn where supported, with password/PIN as the universal fallback. On the unlock screen, holding the Nymchat wordmark for 2 seconds engages Panic Mode and wipes this device without unlocking.

Nymbot AI Processing

What is sent: to answer you, Nymbot sends what you ask it to AI services. That is your question or message, earlier messages in that Nymbot conversation, images and links you include and your nym. For a question in a channel it also sends the channel's recent messages from other people and the channel's approximate location. Allowing this also turns on AI translation, which sends text you choose to translate to our servers.

Who receives it: the Nymbot service run by 21 Million LLC, which processes it on our servers. If you pick a Pro model or an image or video generator, it also goes to that model's maker, such as OpenAI, Anthropic, Google, xAI, Moonshot AI, Alibaba or MiniMax.

Privacy Policy

AI Translation

What is sent: only the text you choose to translate, such as a message, a poll or your draft, and the language to translate it into.

Who receives it: the Nymchat service run by 21 Million LLC, which translates it with AI models on our servers and sends the translation back. A translation may be cached for up to a day so repeats are faster, and it is not used for anything else.

Chat Lock

Locked chats leave the main list and open only after Face ID, fingerprint, a passkey or your passcode. Their notifications say only "New message". The list of locked chats syncs to your other devices; each device unlocks on its own.

Panic wipe also erases my other devices

When you hold "Your Nym" or the wordmark on the unlock screen for 2 seconds, every other device signed in as this identity also wipes this identity the next time it connects. Other identities on those devices are not touched. An encrypted identity that is still locked when you panic from the unlock screen can't send this signal.

Hide Previews

Hide the last-message line under each chat in the sidebar. Previews come only from messages already on this device.

Keep call history

Keep a list of your recent calls. It syncs encrypted to your other devices signed in with this identity, and each identity has its own list. Turning this off deletes the list on every device.

Screen Security

Blur chats when you switch away from Nymchat. Browsers do not let websites block screenshots or screen recording. Always on inside locked chats and view-once media.

Incognito Keyboard

Turn off autocomplete, autocorrect and spell check in message boxes. The browser can't ask your keyboard app to stop learning; only Android keyboards support that.

Direct Connection Notice

Tell me when Nymchat falls back to direct relay connections because the proxy is unreachable. Relays can see your IP address in direct mode.

Key Backup

Back up to Google, to Apple or with a passkey from View or Edit Nym's Details, next to your nsec and post-quantum recovery code.

Generate Random Keypair Per Session

Generate a new random keypair on every session restart for improved pseudonymity. When disabled, your generated keypair persists across reloads.

⚠ Hardcore mode changes your identity after every sent message. PMs and group chats will not work reliably since recipients cannot reply to a constantly changing pubkey. Settings will not sync across devices.

Proof of Work Difficulty

Filters incoming messages by proof of work — it does not change what you send. Every message Nymchat sends is already mined to at least 16 bits, so 16 keeps Nymchat traffic and drops clients that do no work. Above 16 also hides messages from other Nymchat users, who mine at 16.

Auto Ephemeral Mode on Restart

Automatically sign in with ephemeral mode on app restart

Random Nickname Style

Style used when generating random nicknames

Accept Private Messages & Group Chat Requests

Control who can send you PMs and group chat invites. "Friends only" filters messages from non-friends.

Accept Audio & Video Calls

Control who can ring you with an audio or video call. "Friends only" silently ignores calls from non-friends.

⚠ Calls and P2P file sharing use WebRTC. On a direct connection, the other party can see your IP address. The connection servers we use for every call can see it too, and if a call is relayed, so can the relay server. Proxy mode does not hide your IP address in calls. Use a VPN or Tor to help conceal it.

Quantum-resistant encryption

Post-quantum diagnostics

Private messages and group chats with other Nymchat users add ML-KEM-768 (a post-quantum key exchange) alongside the standard NIP‑44 secp256k1 ECDH, so both would have to be broken to read a message and traffic recorded today can't be decrypted by a future quantum computer. This is automatic and has no setting. Bitchat users and other Nostr clients keep receiving standard NIP‑17 exactly as before.

Disappearing PM (forward secrecy)

When enabled, your private messages include an "expiration" tag (NIP‑40) so relays/clients can delete them after the period chosen when enabled.

Disappear After

This sets the "expiration" timestamp on each outgoing gift‑wrapped PM.

Read Receipts

Choose where senders can see when you've read their messages (✓✓). "Enabled everywhere" includes PMs, group chats, and public channels.

Typing Indicators

Choose where others can see when you're typing. "Enabled everywhere" includes PMs, group chats, and public channels.

Show Status Indicators

When enabled, online/away/offline status dots are shown on avatars and in user profiles. "Friends only" broadcasts a hidden status publicly while privately sharing your real status with people you've marked as friends, so only they can see it. When disabled, your status is hidden from everyone, but you can still see other people's status indicators.

Show me in channel online counts

While a public channel is open and you're active, Nymchat tells the relays you're there, so you count as online in that channel even when you don't post. Turn this off to stay out of channel online counts. You still see who else is online, and Show Status Indicators set to Disabled turns this off too.

Spam filter

Hides incoming messages that look like spam, starting with posts from known spam clients. Your own messages are never filtered.

Aggressive filtering

Also hides keyboard-mash text, random-letter nyms and other spam patterns. Turn it off if real messages go missing. Needs the spam filter on.

Verified Nymchat Users Only

Filters incoming channel messages to senders who proved they are running Nymchat, on the web app or the phone apps. Scripted senders cannot prove it and are dropped. Your own messages, friends, and Nymbot are always shown.

Blur Images from Others

Blur images shared by others until clicked. Your own images are never blurred. "Friends only" shows images from friends unblurred.

Blocked Keywords/Phrases

No blocked keywords

Filter Packs

Profanity Swearing and slurs, in 28 languages. Matched as whole words, so Scunthorpe, classic, cocktail and analysis are not caught. Scams & spam Seed-phrase requests, non-Bitcoin chain addresses, doubling offers, Telegram handoffs, lookalike links. Recognizes shapes, so it works in every language. Crypto shilling Price hype, launch promotion and altcoin tickers — not crypto talk. Bitcoin, sats, zaps, nodes and wallets are explicitly allowed. Politics Party labels, political figures and charged coinages. Ordinary words like state, party, vote, left and right are allowed.

Ready-made keyword lists, applied like your own blocked keywords: a matching message is hidden, and so is one from a matching nym. Your friends and your own messages are never filtered. Each pack loads only when you turn it on.

Blocked Users

No blocked users

Blocked Relays

No blocked relays

Block a relay from Network Stats. Blocking stops live traffic with that relay for this account on every device. History the app backend already stored can't be filtered by relay, because the backend doesn't record which relay a message came from, and blocking doesn't reduce app backend traffic.

Friends

No friends added

Friends can have special privileges like bypassing image blur and message filters. Add friends from the context menu on any user.

Translation Language

Choose your preferred language for translating messages via the context menu.

Notification Sound

Auto-scroll Messages

Message hover actions

The three buttons shown when you point at a message, from left to right. More always opens the full menu.

Voice message transcription

Transcription runs on this device. Your browser keeps the speech model after the first download and reuses it. Nymchat can't delete the model; your browser's settings can.

Group Chats & PMs Only Mode

Hides all geohash channels and focuses the app on group chats and private messages only. Reduces bandwidth by skipping channel subscriptions.

Sort Geohash Channels by Proximity

Sort geohash channels by distance from your location

Default Landing Channel

Channel to load when you first open or reload the app

Hide All Non-Favorited Channels

When enabled, only your favorited channels will appear in the sidebar

Favorite Channels

Hidden Channels

No hidden channels

Blocked Channels

No blocked channels

Swipe Gestures

Swipe a message horizontally to trigger an action. Disable to turn off all swipe gestures on messages.

Swipe Left Action

Action triggered when swiping a message to the left.

Swipe Right Action

Action triggered when swiping a message to the right.

Quick React Emoji

Emoji always used when a swipe gesture is set to "Quick React". Tap to choose from the full emoji picker.

Swipe Sensitivity

How far you need to swipe before the action fires. Higher sensitivity means a shorter swipe.

Low Data Mode

Reduces bandwidth by connecting only to the 18 default relays and loading geo relays only for the channels you open

Cache PMs & Group Chats On Device

When enabled, decrypted private messages and group chats are stored on this device so they appear instantly on app launch. Disable if you'd rather not have decrypted message content kept at rest in app storage. Toggling off clears the existing cached PM/group data.

Transfer Settings to Another User

Transfers your nickname, avatar, and all preferences to the specified pubkey

Pending Settings Transfers

No pending transfers

Calculating…

Clears the on-device app cache (channel history, PMs, group chats, profiles, reactions). Preserves your login, settings, group memberships, and flair purchases.

Resets preferences (theme, layout, wallpaper, sound, favorited/hidden/blocked channels, blocked users, blocked keywords) to defaults. Preserves your login, group memberships, PM history, and flair purchases.

Deletes your account: your keys, settings, messages and post-quantum recovery code on this device, and your account data on our servers, including your Nymbot credits and purchase records, for every identity saved here. Other devices signed in to them are wiped too. Posts already on public relays stay there. Any remaining Nymbot credits will be lost. This cannot be undone.

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