Opera vs Vivaldi

Opera is a free web browser for Android, iOS, Linux, macOS, Windows, and the web, with extension support and cross-device sync. Tab Islands group related tabs for collapsing or expanding. Built-in tools include an ad blocker that can also block cryptocurrency-mining scripts, plus a free VPN with no data cap and three general locations. Opera AI can use open-tab context, generate images, summarize PDFs, and translate or summarize YouTube videos. ChatGPT and Gemini are available from the sidebar, and Opera says its AI tools do not require sign-up. The sidebar also offers WhatsApp, Slack, Discord, Messenger, and Telegram, while Music Player supports Apple Music, Spotify, YouTube Music, and Deezer. Users can set browsing data—including history, cookies, passwords, and autofill data—to clear on exit. Opera browser costs nothing. VPN Pro is separate: plans cost $4 per month billed $48 yearly, $5 per month billed $30 every six months, or $8 per month billed monthly.

Vivaldi is a free Chromium-based web browser for Android, iOS, Linux, macOS, and Windows. It combines tab organization with built-in browsing and productivity tools. Users can group tabs in two-level Tab Stacks, arrange them into Workspaces, or view pages side by side with Tab Tiling. Included tools are Mail, Calendar, a Feed Reader, Notes, Sync, and webpage translation. Vivaldi supports Chrome extensions, including in its Android browser. Privacy features include ad and tracker blocking, cookie-warning hiding, and private windows; the maker says Sync uses end-to-end encryption for synced browsing data. Its privacy policy says each installation sends a daily HTTPS message to Vivaldi’s Iceland servers with an installation ID, version, CPU architecture, screen resolution, and time since the previous message. Vivaldi says its Security Group reviews code and new technologies, handles vulnerability reports, and prepares fixes. The company is based in Oslo, Norway, and was founded in 2014.