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Convert PNG/JPG to ICO

Convert your PNG/JPG images to ICO in seconds, one or many at a time. Free, no sign-up, and the files stay on your device.

  • Free
  • No sign-up
  • No file uploaded
  • Windows, Mac, Android, iPhone

Your files stay on your device: nothing is uploaded.

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About this tool

Convert one or more PNG/JPG images to ICO right in your browser: ICO is the format of Windows icons and favicons. Adjust the quality, pick a background color if needed, then download the files one by one or as a ZIP.

When to use it

Compatibility

Some websites, apps or printers only accept ICO.

Many images at once

Convert a whole folder of photos or screenshots in one go.

Web and sharing

Pick the format that fits the use: ICO is the format of Windows icons and favicons.

How to use

  1. Choose, paste or drop your PNG/JPG images.
  2. Check that the output format is ICO and adjust the quality if needed.
  3. Click “Convert”.
  4. Download the images one by one or all together as a ZIP.

How it works

The image is decoded and re-encoded in the new format by your browser. Icons contain several sizes (16 to 256 px) to stay sharp everywhere.

Everything happens on your device: your images are never uploaded to a server.

Tips for best results

  • The transparency of the original image is kept.
  • A quality of 80 to 90% is a good balance between size and sharpness.
  • To reduce the size further, continue with “Compress an image”.
  • Metadata (GPS location, camera) is not copied into the converted image.

Common problems and fixes

The background turned black or white

The original image was transparent and the chosen format has no transparency. Pick a background color, or a format that keeps it (PNG, WebP).

The converted image is heavier

That is normal when switching to a lossless format such as PNG. For a light file, choose JPG or WebP.

A file will not convert

It may be damaged or in a format your browser cannot read. Open it and save it again, or try another browser.

Frequently asked questions

Does converting PNG/JPG to ICO lose quality?

No: every icon size is redrawn sharply.

Are my images uploaded to a server?

No. Conversion happens in your browser and your images never leave your device.

Can I convert several images at once?

Yes, with no limit on the number: then download them as a ZIP.

Does it work on a phone?

Yes, on Android and iPhone, in the browser.

Related searches

Still stuck?

Ask on the forum: the category, the tool, your device sheet and the test result will be filled in for you.