OneClick Resize – Icon & Favicon Generator for All Platforms

OneClick Resize generates all required icon sizes from a single image — plus ready-to-use code snippets for each platform. Drop one file. Pick a platform. Download a ZIP with every size you need. 7 PLATFORM PRESETS - Chrome Extension — 16, 32, 48, 128px - Favicon — 16, 32, 48, 180px + auto-generated favicon.ico binary - PWA / Web App — 192, 512px + manifest.json - iOS / Apple — 60, 120, 180, 1024px + Contents.json for Xcode - Android — 48–512px in mipmap-mdpi through mipmap-xxxhdpi folders - macOS — 16–1024px retina-aware AppIcon.iconset - Social Media — OG Image 1200×630, Twitter Card 800×418, Instagram CODE SNIPPETS IN EVERY ZIP Not just icons — each download includes config files ready to paste: - Chrome → manifest-icons.json - Favicon → favicon-snippet.html with <link> tags - PWA → manifest.json + pwa-snippet.html - iOS → Contents.json for Xcode asset catalog - Android → mipmap-*/ folder structure for res/ - Social → social-snippet.html with og:image and Twitter Card meta CUSTOM SIZES Add any width x height you need. Custom sizes saved between sessions. EXPORT OPTIONS - Formats: PNG, JPEG, WebP - Background: transparent, white, or custom color - Padding: adjustable 0–64px - Toggle individual sizes on/off within any preset SMART PROCESSING - Auto-Trim: removes transparent padding from Figma/Illustrator exports - Sharpening: automatic unsharp mask for icons 48px and smaller - Preview: see all output sizes before downloading - Favicon.ico: real multi-size ICO binary, not a renamed PNG HOW IT WORKS 1. Drop or select an image (PNG, JPG, WebP, SVG) 2. Choose a platform preset or define custom sizes 3. Adjust format, background, padding, and auto-trim 4. Preview output sizes 5. Click Generate — get a ZIP with all sizes + code snippets PRIVACY ✓ 100% local — all resizing via Canvas API in your browser ✓ No upload. No server. No account ✓ Only "storage" permission (for saving presets) ✓ No cookies, no analytics, no tracking Part of the OneClick Tools suite: → OneClick Image — Image Format Converter → OneClick Color — Eyedropper & Color Picker → OneClick Font — Web Font Identifier → OneClick Blur — Screenshot & Blur Tool Website: https://oneclick-tools.com/resize Privacy policy: https://oneclick-tools.com/privacy