What IrukaDark Solves

Every day at our computers we run into “I don’t get this.” Each time, we switch windows to look it up, come back, and then reread. That copy → search → return loop breaks our flow. And when the answer we found doesn’t fit the context of what’s on screen, we end up redoing the search, derailing our focus.

Concretely, things like this happen:

You keep bouncing to another window to look up terms from a long document.
Each follow-up question to an AI makes the explanation balloon, stretching the output vertically and harder to read.
In meetings, you can’t immediately grasp the key point of a chart in a shared deck, so you leave it for “later” and forget.
On English sites or overseas materials, nuances are unclear—you get lost between literal translation and intended meaning.

Chats and emails fire acronyms and neologisms at you, and you don’t even know where to start searching.

Enter IrukaDark. It explains the essentials right within the context of the screen you’re looking at—just by selecting. No app-switching, no stopping your hands, no extra deciphering steps. IrukaDark was created to remove these everyday stumbles.

What Is IrukaDark — A “Layered, Always-On” Ultra-Fast Explainer AI That Doesn’t Break Your Flow

IrukaDark is a resident, lightweight AI you can use overlaid on browsers, documents, and all kinds of apps. Whether it’s dense text, jargon, figures, or photos—just select “this” and it explains it clearly on the spot. It eliminates copy-paste and app switching, so your work, study, research, creation, and development keep flowing.

Highlights

Instant, in place

Select text or images—just one action. You get a clear explanation that accounts for background and context. Instead of generic info, you immediately understand “what this screen means right now.”

Flow stays unbroken

No jumping to other web pages. No copying text into an AI chat box. Because it runs over your usual apps, your work and learning momentum continues.

Privacy-minded

IrukaDark has no database and does not store data. Only the selected text or region is sent. It’s not used to train the AI. Use it with confidence.

Useful Across Work, Study, Daily Life—Anywhere You Use a Computer

Use it on top of websites
Use it on top of apps
Use it for complex images

Programming study – Instantly explain unknown code, APIs, and patterns right where you are.

Other AI tools – Summarize outputs and prompts on the spot.

Explaining diagrams – From conceptual diagrams to business process flows, get detailed explanations.

Marketing jargon – Break down specialized terms into plain language.

Terminal – Explain commands, errors, and what processes do, immediately.

Reading maps – Clarify routes and nearby facilities.

Academic papers – Concisely summarize concepts, formulas, and research context.

Social media – Quickly grasp posts, acronyms, and context.

Uncopyable text – Read text in images and explain what it means.

Foreign sites/materials – Go beyond literal translations to natural, context-fit explanations.

Editors – Assist understanding of code and prose as you write.

Photo explanations – Lay out what’s shown and the key points at a glance.

Contracts & legal docs – Clarify clauses, terms, and implications.

Design tools – Quickly explain design intent, components, and UI.

Online meeting screens – Summarize slides and shared screens right then and there.

How to Use

Download IrukaDark. Launch it, complete setup, and you’re ready.

Select text and press Option + A to get an explanation of the passage.
Press Option + S to select any region and get an explanation of anything there.

Whether it’s challenging text you encounter on websites, documents, or apps—or visual content like images and graphs—just select the region and get an instant explanation.

Price & Supported Environment

Price: Free
Supported OS: macOS