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AIO Converter
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JPG to ICO

Create multi-resolution ICO files from JPG images locally.

Processed on your device

Your files never leave this browser.

Drop files here

or choose files from your device

Files up to 50 MB each

How this tool works

JPG pixels are fitted into a valid multi-resolution ICO entirely in your browser.

  1. Choose one or more JPG images.
  2. Process the queue.
  3. Download ICO files containing 16–256px PNG entries.

Processing stays inside a disposable browser worker. Canceling or leaving the page terminates that worker and releases its memory.

Capabilities and limits

Files per job
1–50
Per-file limit
50 MB
Privacy mode
LOCAL ONLY
  • Images above 40 megapixels are rejected.
  • Non-square images use transparent contain padding.
  • No server fallback is used.

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