Opera Mini
A mobile browser built around server-side compression, designed for low bandwidth and expensive data rather than desktop-class browsing.
Published by Opera (Norway) · Verified
Runs on
- macOSmacOS: Unavailable
- WindowsWindows: Unavailable
- LinuxLinux: Unavailable
- AndroidAndroid: Available
- iOSiOS: Unavailable
Choose it when
Choose Opera Mini when bandwidth or data cost is the binding constraint and you want compression handled by the browser rather than by discipline.
Avoid it when
Avoid it when you need desktop-class rendering fidelity, extensions, or a browser that does not route your traffic through a third party.
Quick answers
Read straight off the verified record - every one of these is expanded with its source below.
- Which platforms does Opera Mini run on?
- Documented on Android. Not available on macOS, Windows, Linux, and iOS.
- Can I install Chrome extensions?
- No - the Chrome Web Store is not supported.
- Does it block trackers out of the box?
- Yes - tracker or ad blocking is on by default. A built-in ad blocker is documented.
- Does it have built-in AI features?
- Yes - 4 of 9 documented AI capabilities are built in.
- Is it open source?
- Proprietary
- Is it still being developed?
- Active - Actively developed for Android with ongoing feature additions; the iOS version is no longer distributed.
What Opera Mini does
Open any row for the wording and the source behind it
Privacy and tracking
2 built in · 2 undocumented
Blocks trackers by defaultBlocks trackers by default: Built in
A built-in ad blocker is documented.
- Anti-fingerprintingAnti-fingerprinting: Unknown
- Telemetry postureTelemetry posture: Unknown
Built-in VPN or proxyBuilt-in VPN or proxy: Built in
Compression modes route traffic through Opera's servers by design.
Private windowsPrivate tabs are available and the browser can be locked behind a PIN.
Private tabs are available and the browser can be locked behind a PIN.
- Default search engineConfigurable
Extensions and blocking
1 built in · 4 not available
- Chrome Web StoreChrome Web Store: Unsupported
- Firefox Add-onsFirefox Add-ons: Unsupported
Native content blockingNative content blocking: Built in
Ad blocking is built in.
- Manifest V3Manifest V3: Unavailable
- Manifest V2Manifest V2: Unavailable
Known limitationsThe product is deliberately lightweight and proxy-centred, with no client-side extension platform.
The product is deliberately lightweight and proxy-centred, with no client-side extension platform.
Workflow
1 built in · 7 not available · 3 undocumented
- Vertical tabsVertical tabs: Unavailable
- Tab treesTab trees: Unavailable
- Workspaces or spacesWorkspaces or spaces: Unavailable
ProfilesProfiles: Unknown
Profile support is not documented.
- Split viewSplit view: Unavailable
- SidebarSidebar: Unavailable
Reader modeReader mode: Unavailable
Offline page saving is documented, but there is no reader view.
- Command paletteCommand palette: Unavailable
Sync across devicesSync across devices: Built in
Signed-in users can sync bookmarks and Speed Dials.
TranslationTranslation: Unknown
Translation is not documented.
Progressive web appsProgressive web apps: Unknown
Progressive web app behaviour is not documented.
AI features
4 built in · 5 not available
Built-in assistantBuilt-in assistant: Built in
An assistant surface (Aria) is documented in the app.
Page summarisationPage summarisation: Built in
Aria documents summarising page and text content.
- Acts on pages for youActs on pages for you: Unavailable
AI answer engineAI answer engine: Built in
Searching the web with the built-in AI assistant is documented.
- Works across open tabsWorks across open tabs: Unavailable
Text or image generationText or image generation: Built in
Aria documents text and image generation in chat.
- Choice of modelChoice of model: Unavailable
- Retention or training controlsRetention or training controls: Unavailable
- Voice or image inputVoice or image input: Unavailable
On a phone
5 built in · 1 not available · 4 undocumented
Undocumented is not the same as absent - it means the publisher does not state it.
- Extensions on mobileExtensions on mobile: Unavailable
Can be the phone defaultCan be the phone default: Built in
Can be set as the platform default browser.
Biometric lockBiometric lock: Built in
The browser can be locked behind a PIN.
Offline readingOffline reading: Built in
Offline reading is documented.
Desktop-site modeDesktop-site mode: Unknown
Desktop-site mode is not documented.
Download managerDownload manager: Built in
A download manager is documented.
Background playbackBackground playback: Unknown
Background or picture-in-picture playback is not documented.
Web pushWeb push: Unknown
Web push support is not documented.
Data saverData saver: Built in
Server-side compression is the defining feature of the product.
Address-bar placementAddress-bar placement: Unknown
Address-bar placement is not documented.
Under the hood
- Rendering engine
- System WebView
- JavaScript engine
- Server-side processing in compression modes
- Upstream project
- Opera proxy architecture
- Release channel
- stable
- Code and licence
- Proprietary
- Install method
- Platform app store or direct download from Opera.
- Hardware support
- Historically optimised for low-specification hardware and constrained networks.
Active. Actively developed for Android with ongoing feature additions; the iOS version is no longer distributed.
Editorial view
Opera Mini is a different kind of product from the desktop browser that shares its name, and conflating the two leads to bad decisions. It exists for constrained networks and expensive data, and its defining feature is that pages can be processed on Opera's servers before reaching the phone. Availability is Android only: the iOS app is no longer distributed, and there is no desktop build, because a compression proxy solves a problem desktop users generally do not have.
The architecture is the story
In its compression modes the rendering work happens server-side, which is why the record lists the engine as a webview with Opera's proxy architecture upstream rather than a conventional engine lineage. This produces genuine savings on slow or metered connections. It also means Opera's infrastructure sits between you and the pages you load. That is not a hidden flaw, it is the mechanism, but it should be a deliberate choice, and it makes the browser a poor fit for anything sensitive.
The record, precisely
- A built-in ad blocker is documented, and private tabs exist with a PIN lock for the app
- Telemetry posture and fingerprinting resistance are unknown, left that way rather than inferred from other Opera products
- The compression path is recorded under VPN or proxy because that is factually what it is; it is not marketed as a privacy VPN and should not be treated as one
- No extension platform exists, and none is claimed; blocking is built in instead
- Aria adds an assistant with summaries, AI answers, and generation
Where it is strongest
The mobile capability set is the point. Data saving is built in and is the reason the product exists. Offline page saving, a download manager, bookmark sync for signed-in users, and set-as-default are all there. Desktop workflow concepts, profiles, translation, web apps, are unknown or absent, which is the right shape for a phone on a weak connection.
The iOS version is a historical footnote: Opera shipped its last iOS Mini release in 2018 and the App Store listing is gone. Choose Opera Mini when the network is the problem. Choose almost anything else when it is not.
Where these facts come from
Every capability above is read from a primary source and dated. 5 of 30 fields stay recorded as unknown rather than assumed.
- Opera Mini official product pageVerified
Product scope, platform availability, and data-saving claims.
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