ToolJoltTools

macOS App Icon Generator

macOS App Icon Generator — Generate the full macOS .icns size set (16→1024) from one image. One ZIP, 100% in your browser.

🔒 Your logo is rendered locally — it never leaves the browser.

macOS App Icon Generator: generate the full macos .icns size set (16→1024) from one image. Generates 7 correctly-sized files from one upload — for packaging a macOS app icon set (ready to build into .icns) — without sending your logo to a server.

About macOS App Icon Generator

macOS App Icon Generator in your browser. Generate the full macOS .icns size set (16→1024) from one image. Drop a single large square image (512px+ recommended) and the tool renders all 7 required sizes into one ZIP. Everything runs locally, so your logo is never uploaded.

How to use macOS App Icon Generator

  1. 1Drop your logo or source image (large and square works best).
  2. 2All 7 sizes are rendered with crisp scaling.
  3. 3Download the ZIP.

Why use macOS App Icon Generator?

  • ✓Developers and designers packaging a macOS app icon set (ready to build into .icns).
  • ✓All sizes generated from one source — no manual resizing.
  • ✓Clean PNGs ready to drop into your project.

Frequently asked questions

What sizes does macOS App Icon Generator create?+

It generates 16×16, 32×32, 64×64, 128×128, 256×256, 512×512, 1024×1024 — everything needed for packaging a macOS app icon set (ready to build into .icns).

What source image should I use?+

A large, square image (ideally 512×512 or 1024×1024) with a transparent or simple background gives the sharpest icons at every size.

Is my logo uploaded?+

No. All resizing happens on your device using canvas, so your brand assets never leave the browser.

Are the icons transparent?+

Yes — transparency is preserved, so icons sit cleanly on any background.

Embed macOS App Icon Generator on your website

Want macOS App Icon Generatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.

Embed code
<iframe src="https://tooljolt.com/tools/macos-app-icon-generator" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="macOS App Icon Generator — ToolJolt" loading="lazy"></iframe>

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