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Signal DesktopLinux vs WhatsAppWindows

Signal Desktop, alternative Linux à WhatsApp

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Signal Desktop is a solid replacement for WhatsApp if you prioritize privacy and already use or can switch your contacts to Signal. It matches WhatsApp’s core functions: encrypted texts, voice and video calls, group chats, and file sharing. The desktop app works well alongside the mobile app, syncing messages and calls. However, it requires a phone number and an active mobile Signal installation, just like WhatsApp. It’s especially good for users who want to leave Meta’s ecosystem and don’t mind a smaller contact base.

Couverture fonctionnelle90%
Licence
AGPL-3.0-only
Prix
Gratuit
Dernière version
8.33.0 (28 octobre 2026)
Note
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Capture d’écran de Signal Desktop
Typical view of the window (Windows version)

Ce qui fonctionne pareil

  • Both use phone numbers as identifiers
  • End-to-end encryption by default
  • Support for voice and video calls
  • Group chats with large participant limits
  • File and media sharing across devices

Ce qui change

  • Signal has no ads or data mining, unlike WhatsApp
  • Signal Desktop requires Signal on mobile to set up, while WhatsApp Desktop can work standalone after pairing
  • Signal supports disappearing messages, WhatsApp does not by default
  • Smaller user base, so harder to reach existing WhatsApp-only contacts
  • No built-in status/stories feature like WhatsApp

Ouvrir vos fichiers WhatsApp

Signal can import media from WhatsApp if manually transferred, but there's no direct import of chat history between WhatsApp and Signal. Exporting WhatsApp chats to text is possible on Android, but importing into Signal isn't supported. Files sent in WhatsApp can be saved and opened in Signal, as both handle common formats like JPG, MP4, and PDF. Signal does not read WhatsApp database files directly.

Passer de WhatsApp à Signal Desktop, étape par étape

  1. Install Signal on your phone and register with your number
  2. Verify your identity and transfer contacts
  3. Install Signal Desktop from Flathub or official site
  4. Open the desktop app and scan the QR code from your phone
  5. Confirm sync and start using on desktop

Fonctionnalités clés de Signal Desktop

  • Chiffrement de bout en bout pour tous les messages et appels
  • Appels vocaux et vidéo HD
  • Chats de groupe jusqu’à 1 000 membres
  • Messages éphémères
  • Partage de fichiers sans limite de taille
  • Partage d’écran pendant les appels
  • Autocollants et emojis animés
  • Pas de publicités, pas de suivi, pas d’extraction de données

Installer Signal Desktop sous Linux

Flatpak (Flathub)flatpak install flathub org.signal.Signal
Arch / Manjarosudo pacman -S signal-desktop

Questions fréquentes

Can I use Signal Desktop without a phone?

No. Signal Desktop requires a paired smartphone with Signal installed. It’s not standalone.

Is Signal really private compared to WhatsApp?

Yes. Signal is a nonprofit with fully open source code, no data collection, and stronger privacy practices than WhatsApp, which shares data with Meta.

Do my WhatsApp contacts automatically appear in Signal?

No. Only contacts who also use Signal will appear. You’ll need to invite others manually.

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