Features
Encrypted mail, files, documents, chat and password manager in the cloud and on your devices
Hosted in Switzerland, no backdoor, no tracking, maximum privacy.
All InboxesUnread mail from every mailbox in one list.
Folders & flagsCustom folders, five flag colours, colour filter in every list.
DraftsSaved automatically, synced across devices.
Batch actionsCmd/Ctrl-click or Shift-click to select; move or delete together.
Sender verificationSignatures from Confidesk users and PGP contacts are checked.
Junk filterAutomatic spam filtering.
Safe readingSandboxed rendering. Remote images blocked until you allow them. Plain-text view.
Block senderBlock an address or domain from the message.Pro · Advanced
.eml exportDownload the original of any message.
Attach from FilesAttach anything from encrypted storage, including notes.
Chat
All plans
Direct & group chatsBetween Confidesk users. Each message encrypted separately per recipient.
AttachmentsFrom your device or Files. Opened in the safe viewer. Forward between chats.
Your copyDeleting a chat removes only your copy. Block unknown senders.
Files
All plans
Encrypted storageE2E on web, mobile and desktop; offline access on mobile and desktop.
PreviewText, code, images, PDF, audio, video, spreadsheets, DOCX, EPUB, ZIP.
Sandboxed viewerNo network access, no scripts. Nothing written to disk.
Edit in place.md, .txt and .rtf.
SortingBy name or size, either direction.
Photo galleryFull-screen view, thumbnails, slideshow. Decrypted in memory only.
Drive
All plans · desktop app
Your folders as a driveIn Finder, Explorer or your file manager. Open and save with any program.
Encrypted on saveAnything saved or copied onto the drive is encrypted and uploaded.
Your choice of foldersStarts with one folder, Desktop drive. Vault and Notes never go on it.
Attach and detachBy hand only. Optional detach on sleep, screen lock or after idle hours.
Lock and offlineLocking disconnects it, unlocking reconnects; work done meanwhile catches up.
ConflictsNothing overwritten: a clashing save is kept as a conflicted copy.
Drive activityWhat was saved onto the drive and what became of each file.
Lost computerRevoke it and its drive is deleted, unsent files included.
LinuxDecrypted in memory only; nothing decrypted written to disk.
Notes & documents
Pro · Advanced
Note typesMarkdown with live preview, plain text, or rich text (.rtf).
SharingAttach a note to mail, chat or Secure send.
Document editorHeadings, fonts, lists, task lists, images, page breaks, table of contents, find & replace, word count.
ExportPDF, DOCX, EPUB.
Password vault
All plans
KeePass formatStandard .kdbx file, stored in Files.
Double protectionVault master password plus your Confidesk key.
EntriesTitle, username, password, URL, notes, custom fields. Filter.
GeneratorStrength meter; option to skip look-alike characters.
ClipboardCleared after about 30 seconds.
New vaultsCreated in the desktop app or any KeePass tool; edited on the web.
Secure send & contact form
All plans
Secure sendSend to people without an account. Opens once, then destroyed.
ExpiryOne day to one month, opened or not.
PassphraseShared by you. Optional hint. Locks after repeated wrong guesses.
Contact formPublic link. Messages encrypted in the sender’s browser, delivered to your inbox.
Spam protectionEmail code check, anti-bot check, rate limiting.
Intro textShown at the top of the form.
Keys & security
All plans
KeypairCurve25519, generated in your browser. Or bring your own v4 key.
Key exportPublic and private key (private encrypted with your passphrase).
Self-held keyOption to stop storing your key on the server.
Trusted devicesSkip the passphrase on your own devices. Expires after about a month; revocable.
Sign-in logRecent sign-ins to your account.
Two-factorAuthenticator-app sign-in.Pro · Advanced
Blocked sendersAddress or domain. Encrypted list; blocked mail deleted after 7 days.Pro · Advanced
SignaturePer mailbox.
Out-of-officePer mailbox.Pro · Advanced
Domains & mailboxes
Advanced
Custom domainsUp to 3. MX, SPF, DKIM and verification records generated for you.
MailboxesUp to 5 per domain, each with its own name, signature and out-of-office.
AliasesUp to 10 receive-only addresses per domain.
Domain shareShare your domains with any number of Confidesk users: give each a mailbox on your domain (Pro subscription required).
Mailbox shareCreate shared mailboxes that you and another user both read and send from.
Apps
Desktop: macOS (Apple Silicon), Windows, Linux
All plansOffline mailLocal encrypted copy; syncs when back online.
SearchInstant search over the local encrypted store.
Other accountsAdd IMAP/POP accounts on desktop; PGP is supported.Pro · Advanced
DriveYour chosen folders as a drive in Finder, Explorer or your file manager.
File managerList or icon view; drag in files and whole folders.
DocumentsTabs; open documents restored on relaunch.
VaultsCreate new KeePass vaults.
Mobile: iPhone, iPad, Android
All plansOfflineMail and files stored encrypted on the device. Outbox sends when online.
SearchLocal mail search.
Biometric unlockFace ID, fingerprint or passcode. Revocable remotely.
NotificationsPrivate notifications without metadata leak.
Notes & documentsAvailable in the app on Pro and Advanced.Pro · Advanced
Plans
| Feature | Free | Pro | Advanced |
|---|---|---|---|
| Storage | 100 MB | 2–15 GB + add-on | 2–15 GB + add-on |
| Mail, Files, Vault, Contacts, Chat | Yes | Yes | Yes |
| Secure send, contact form | Yes | Yes | Yes |
| Signature | Yes | Yes | Yes |
| Mobile apps | Yes | Yes | Yes |
| Notes, documents | No | Yes | Yes |
| Out-of-office, blocked senders, authenticator-app sign-in | No | Yes | Yes |
| Desktop app | Yes | Yes | Yes |
| Custom domains, mailboxes, aliases | No | No | Yes |