One image in.
Every size out.
Drop a single image. Pick a platform. Download a ZIP with every icon size you need. Done in seconds.
7 Platform Presets
Every platform has different size requirements. Pick one — get them all.
Chrome
4 sizes16 · 32 · 48 · 128 px
Chrome Web Store + toolbar
Favicon
5 sizes16 · 32 · 48 · 180 px + .ico
Multi-size .ico auto-generated
PWA
2 sizes192 · 512 px
Web App manifest icons
iOS
4 sizes60 · 120 · 180 · 1024 px
App Store + home screen
Android
6 sizes48 · 72 · 96 · 144 · 192 · 512 px
mdpi → xxxhdpi + Play Store
macOS
10 sizes16–1024 px retina-aware
All @1x and @2x variants
Social
4 sizes1200×630 · 800×418 · 1080×1080
Open Graph + Twitter + Instagram
Custom
∞Any width × height
Saved between sessions
One image → organized ZIP
Favicon.ico
built-in
The Favicon preset auto-generates a proper multi-size .ico binary file. No external tools, no websites — just a real favicon ready for your site.
Input
Favicon preset output
Full Control Over Output
Format, background, and padding — adjust everything before generating.
Stop Resizing Manually
Every platform wants different sizes. One click handles them all.
Extension dev
Chrome Web Store
"I need 16, 32, 48, and 128px icons for my manifest. Every time I publish, I resize in Figma four times."
ChromeWeb developer
Favicon + PWA
"The client wants favicons, apple-touch-icon, and PWA manifest icons. That's 8 files from one logo."
FaviconApp developer
iOS + Android
"App Store needs 1024px, Android needs mdpi through xxxhdpi. I'm not opening Photoshop for this."
iOSMarketer
Social media
"I need the same image as OG 1200×630, Twitter 800×418, and Instagram square. Three crops from one file."
Social7 presets · custom sizes · one ZIP download · zero uploading
No upload. No waiting.
Online favicon generators upload your files. OneClick Resize doesn't.
| favicon.io | realfavicon | OneClick Resize | |
|---|---|---|---|
| Processing | Server-side | Server-side | 100% in-browser |
| File upload | Required | Required | Never leaves device |
| Speed | Upload + wait | Upload + wait | Instant |
| Favicon.ico | Yes | Yes | Yes — built-in |
| Platform presets | Favicon only | Favicon only | 7 platforms + custom |
| Custom sizes | No | No | Unlimited |
| Always available | Needs internet | Needs internet | Works offline |
FAQ
How much does OneClick Resize cost?
The core features are available at no cost. Generate icons for all platforms — everything runs locally.
What platforms are supported?
Chrome extensions, favicons (with real .ico), PWA, iOS, Android, macOS, social media, and custom sizes.
Do my images get uploaded?
No, everything is processed locally in your browser. Your files never leave your device.
Does it generate real favicon.ico files?
Yes, a proper multi-size .ico binary with embedded 16, 32, and 48px icons — not just a renamed PNG.
Part of OneClick Tools
Browser extensions that do one thing well. No accounts. No tracking. Just tools.
Image
Image Format Converter
Convert HEIC, WebP, AVIF, SVG, BMP, GIF to JPG, PNG or PDF – in your browser. No upload. No server. No account.
HEIC·WebP·AVIF → JPG·PNG·PDF
Color
Eyedropper & Color Picker
Pick any color from your screen. Get it in 5 formats instantly. Zero permissions required.
HEX·RGB·HSL·HWB·CMYK
Font
Web Font Identifier
Hover over text. Click. Get every CSS property instantly. No DevTools. No account. No bloat.
7 CSS properties · ~30 KB · activeTab only
Blur
Screenshot & Blur Tool
Take a screenshot. Brush over passwords, emails, names. Download a clean image. Nothing gets uploaded.
Screenshot·Blur·Pixelate·Export