[Skip to Content]
Free Dark Mode Extension — Trusted Since 2009

Enable Opera Dark Mode
for Every Website

Turn Off the Lights adds a full website Night Mode to Opera browser — giving you dark mode on every site you visit, with custom colors, scheduling, and cinema-mode video viewing. Free and available from the Opera Add-ons store.

💡 Install Free — Opera Dark Mode See All Features →

As featured in

Everything You Need for the Best Opera Dark Mode

Turn Off the Lights is not just a simple opera dark mode. It is a complete browser enhancement built to give you full control over how every website looks in the dark.

🔴

Official Opera Add-ons Store

Listed at addons.opera.com — reviewed, verified, and updated automatically through Opera's extension system.

🌐

Dark Mode for All Websites

Night Mode applies to every website in Opera — not just the browser UI. Consistent dark mode everywhere you browse.

🎨

Full Color Customization

Choose custom background, text, link, button, and border colors. Build and share Night Mode themes with the Theme Creator.

🎬

Cinema Lamp Mode

Dim any webpage around a video in Opera for a true cinema-style viewing experience on YouTube and other video sites.

Sunrise/Sunset Auto-Switch

Schedule Opera dark mode to turn on at sunset and off at sunrise automatically, synced to your local time.

🔓

Open Source, No Ads

GPLv2 open-source. No data collection, no advertising, no subscriptions — ever.

Enable Opera Dark Mode in Under 30 Seconds

Turn Off the Lights is available in every major browser store and takes less than 30 seconds to install and activate. No configuration needed — it works instantly.

1

Open Opera Add-ons Store

Go to addons.opera.com and search for 'Turn Off the Lights', or click the install button above.

2

Click Add to Opera

Confirm the installation prompt in Opera. Takes under 10 seconds.

3

Open Options → Night Mode

Right-click the lamp icon in Opera's toolbar and select Options → Night Mode tab.

4

Enable & Customize

Toggle Night Mode on. Customize colors and set your preferred schedule for automatic switching.

Turn Off the Lights lamp icon for YouTube

One Opera Dark Mode Extension. Every Browser.

Turn Off the Lights is available across all major desktop browsers. Install it in one browser and your Night Mode settings sync automatically to others.

⬇ Install Free — Opera Dark Mode

Frequently Asked Questions About Opera Dark Mode

How do I enable dark mode for websites in Opera? +

Install Turn Off the Lights from the Opera Add-ons store, open Options → Night Mode, and enable the switch. All websites in Opera will load in dark mode.

Is Turn Off the Lights available for Opera? +

Yes — it is listed on the official Opera Add-ons store at addons.opera.com. It is free, open-source, and has been available for Opera since 2009.

Does Turn Off the Lights work on YouTube in Opera? +

Yes. Turn Off the Lights adds a Night Mode switch on YouTube, cinema dimming, Auto HD, and Atmosphere Lighting — all in Opera.

Can I schedule Opera dark mode to turn on automatically? +

Yes. In the Night Mode options, you can set a time schedule or enable automatic sunrise/sunset switching based on your local time.

The Most Complete Opera Dark Mode Solution Available

Opera users searching for Opera dark mode want darkness everywhere — not just in Opera's sidebar or menu. Turn Off the Lights applies Night Mode to every website you open in Opera, in real time.

Opera Night Mode for All Websites

Opera's built-in dark theme covers the browser shell. Turn Off the Lights extends dark mode to every single webpage you visit in Opera — applying your chosen dark colors to backgrounds, text, links, and buttons across all sites automatically.

Available from the Official Opera Add-ons Store

Turn Off the Lights is listed on the official Opera Add-ons store and has been available for Opera users since the extension was first developed. Install it directly from addons.opera.com in one click — no developer mode, no sideloading required.

Cinema Mode Video Viewing in Opera

Turn Off the Lights was originally built as a cinema dimming tool for Opera users. Click the lamp icon on any Opera page with a video — YouTube, Vimeo, Twitch, Dailymotion — and the background fades to black while the video stays lit. Opera dark mode and cinema mode combined.

Open Source, Private, and Free — Always

Turn Off the Lights collects no personal data, displays no advertising, and charges nothing. The extension is fully open-source under the GNU General Public License Version 2 (GPLv2), with its complete source code available on GitHub for anyone to inspect. It has been in continuous development since 2009 and remains one of the most trusted browser extensions available, with millions of active users across all major browsers. Stefan Van Damme is the solo developer and has maintained the extension with monthly updates for over 15 years.

Ready for Opera Dark Mode?

Join millions of users who rely on Turn Off the Lights for a comfortable, dark browsing experience — completely free.

💡 Enable Opera Dark Mode — Free