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How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

As a long-time Mac user and Safari enthusiast, I've spent countless late nights browsing, battling eye strain from bright white screens. Safari's dark mode helps, but it doesn't cover every website. Here's my expert guide to achieving true dark mode across Safari on macOS—tested on Safari 13.0 and Catalina.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

macOS offers Night Shift, but for full dark mode relief, enable it system-wide first, then extend it to websites via built-in tools and extensions. Let's dive in.

Enable Safari's Dark Theme System-Wide

macOS Catalina includes a native dark mode that darkens the OS, Safari, and compatible apps. If you're new to this:

Step 1: Click the Apple menu > System Preferences.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Step 2: Select General.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Step 3: Under Appearance, choose Dark.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Safari now runs in dark theme, and sites with native support adapt. But most don't—leading to those pesky white pages.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Force Dark Mode on Websites

Use Safari's Reader View for quick wins or extensions for universal coverage.

1. Reader View (Built-In)

Reader View strips clutter and supports dark backgrounds—ideal for articles and blogs.

Note: Limited to compatible pages.

Step 1: Click the Reader icon (left of address bar) on supported pages.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Step 2: Click the aA icon (right of address bar) > select darkest theme. Safari remembers this.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete GuideHow to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Automate it:

Step 1: Safari menu > Preferences.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Step 2: Websites tab > Reader. Set sites or When visiting other websites to On.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

2. Safari Extensions for Full Coverage

For all sites, extensions are essential. Reader View skips complex pages.

I tested many: Dark Reader (free on Chrome/Firefox) has a Safari version for $4.99 one-time. Night Eye offers a free trial:

Step 1: Install Night Eye from Mac App Store.

Step 2: Safari Preferences > Extensions > enable Night Eye.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete GuideHow to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Access settings via its toolbar icon for brightness/contrast tweaks.

How to Enable Dark Mode Everywhere in Safari on Mac: Complete Guide

Caveat: Night Eye limits to 5 sites post-3-month trial ($8.99/year or $39.99 lifetime). Alternatives: Dark Mode for Safari ($1.99).

Final Tips

Dark Safari is eye-friendly bliss—Apple should add native site forcing. Until then, Reader View or extensions work great. Budget for paid options if needed.

Curious if Firefox beats Safari on Mac? Check our in-depth comparison.