TontonTools

JPG to ICO

Convert JPG to ICO — a favicon from any photo or logo JPG.

100% Free No signup Privacy-friendly Image Tools
Updated Sep 2026

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How to use JPG to ICO

  1. Square-crop the JPG first — tight on the face/logo/object.
  2. Upload and convert to ICO.
  3. Deploy as /favicon.ico at your site root.
  4. Check it at real tab size — if it reads as noise, crop tighter and re-convert.

What is JPG to ICO?

A JPG to ICO converter turns a JPG image into the Windows-icon/favicon format — the same destination as PNG to ICO, starting from the photo-world format. The conversion downsizes your image into icon resolutions (16–48px) and packages it as .ico.

JPG-specific notes: no transparency exists to preserve (JPGs are always opaque, so the icon fills its square — fine for photo avatars and solid-background logos), and square input matters even more, since non-square JPGs must crop or squash to fit icon geometry.

About the JPG to ICO

Upload the JPG — ideally square, or accept a center-crop — convert, and download the ICO.

Typical starting points: a logo that only exists as JPG (the designer's files are gone; the website header JPG is what survives), photo-based icons (a face or product shot as a personal-site favicon — legitimately charming at 32px), and quick internal tools where any distinct tab icon beats the browser default. Deployment is identical to any favicon: name it favicon.ico, put it at the site root, hard-refresh to see it.

The 16-pixel design law applies doubly to photos: busy images become noise at favicon size — tight-crop to a face or single object before converting, and prefer high-contrast subjects. If you have access to a PNG or vector version of a logo, start there instead (transparency and edge quality both convert better); the JPG route is for when JPG is what you have.

Frequently Asked Questions

No — JPGs carry no transparency, so the icon is a filled square including whatever background the JPG had. For transparent favicons, start from a PNG with alpha (PNG to ICO).
They must become square — center-cropping is the standard treatment (stretching distorts). Crop deliberately yourself first for control over what survives.
A tight, high-contrast crop of a face or object — yes, personal sites do it well. A wide scene or busy image — no, it renders as colored static at 16px.
Barely — downscaling to 16-48px averages away most JPG artifacts. Even mediocre JPGs usually yield clean icons; composition matters far more than compression.
Site root as /favicon.ico — browsers request that path by default. Add <link rel="icon" href="/favicon.ico"> for explicitness, and expect caches to hold the old icon for a while.

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