Images converter

Convert PNG to ICO online for free

Package a PNG as a Windows ICO file for use as a website favicon or application icon. ICO files support multiple embedded resolutions in one container.

No sign-upNo watermarkNo file upload

About this PNG to ICO conversion

What to select

Select a PNG file to produce an ICO locally. A square PNG of 256 × 256 px or smaller gives the best result.

What you receive

A new ICO file is rendered locally and made available for immediate download.

Private processing

ConvertME runs this conversion in the browser on your device. Selected files are not transferred to a processing server, and downloads are created locally after conversion.

Format details

Input
PNG
Output
ICO
Processing
In browser
Cost
Free

When to use this converter

Use this page when you need a focused PNG to ICO conversion without installing desktop software or sending the source file to a remote conversion queue.

Practical use cases

  • Package a PNG as a Windows ICO file for use as a website favicon or application icon. ICO files support multiple embedded resolutions in one container.
  • Select a PNG file to produce an ICO locally. A square PNG of 256 × 256 px or smaller gives the best result.
  • A new ICO file is rendered locally and made available for immediate download.

Best practices before downloading

  • Start from the cleanest available PNG file because conversion cannot recover missing detail or corrupted data.
  • Open the downloaded ICO file before deleting the original, especially for professional or archival work.
  • Use a current browser and avoid closing the tab while the local conversion engine is running.

Common issues to check

  • Password-protected, corrupted or unusually large PNG files may fail in the browser.
  • Metadata, embedded scripts, advanced styling or hidden document features may not be preserved in the ICO output.
  • Review the result before using it in legal, medical, financial, regulatory or production workflows.

PNG vs ICO: what changes

The converter changes the container or export format. It does not claim to improve the source file beyond what the browser can read and render.

Source format
PNG — Lossless, 24/32-bit RGBA, single resolution
Download format
ICO — ICO container, supports 16–256 px sizes, Windows and web
Conversion type
Single image → ICO container format
Size impact
ICO files are small; a square 256 × 256 px source is recommended
Privacy model
Browser-based local processing with no file upload to ConvertME.
convert PNG to ICO onlinefree PNG to ICO converterprivate PNG converterPNG file to ICO without upload

How it works

Convert PNG in three steps

01

Choose a converter

Pick the exact input and output format you need.

02

Drop your file

Select a local file. Nothing is uploaded to our servers.

03

Download the result

Conversion finishes in your browser and exports locally.

FAQ

PNG to ICO questions

How do I convert PNG to ICO?

Choose a PNG file, select Convert now and download the resulting ICO file. Processing happens in your browser.

Is this PNG to ICO converter private?

Yes. Your selected file is processed locally and is not uploaded to ConvertME.

Do I need an account to convert PNG files?

No. The converter is free to use without sign-up or watermarks.

What will my ICO download contain?

A new ICO file is rendered locally and made available for immediate download.