ICO Converter — Turn Any Image Into a Favicon.ico
Convert PNG or JPG images into a real .ico file
Convert any PNG or JPG image into a genuine .ico icon file for your website's favicon. One file contains 16, 32 and 48px sizes (or up to 256px with the extended set), square-cropped from your image so icons never stretch. Everything runs in your browser — your image never leaves your device.
100 MB max per file
Drag & drop your files here
or browse from your device
Image file · up to 100 MB each
Options
100% FreeNo SignupFiles Never Leave Your Device
How to use this tool
Step 1: Upload your file
Drag & drop your file or click to browse. Files are processed locally in your browser and never uploaded.
Step 2: Adjust & process
Choose your settings and run the tool with one click.
Step 3: Download the result
Download your file instantly. Free forever, no signup, no watermark.
Why 123ToolKit?
| 123ToolKit | Typical online tools |
|---|---|
| Runs in your browser — files never uploaded | Uploads your files to cloud servers |
| Free forever | File size limits |
| No signup | Account required |
ICO Converter — FAQ
Upload a PNG or JPG image, pick the size set, and download one .ico file. The whole conversion runs in your browser.
Yes. Converting images to ICO is free here, with no signup and no account.
The standard set packs 16, 32 and 48px images into one .ico file. The extended set adds 64 and 256px for high-resolution displays and shortcuts.
No. Your image is square-cropped from the center first, so icons keep their proportions at every size instead of stretching.
Yes. JPG works the same way. Note that JPG has no transparency, so the icon background will be solid instead of transparent.
Upload it to your website's root folder — browsers request /favicon.ico automatically. For certainty you can also add a link tag pointing to it in your page head.
It is a real ICO container with PNG-compressed images inside, the modern standard that browsers accept. Each size is a separate image entry in the file.
The tab icon is only 16px, so fine text and thin lines disappear at that size. Start from a large, simple, square source image and avoid small lettering for the sharpest result.
Yes, for browser tabs, bookmarks and shortcuts. For phones, also generate a 180px apple-touch PNG with the favicon generator, which covers home-screen icons.
No. The conversion runs entirely in your browser and your image never leaves your device.
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