BrowserTools

PNG to ICO Converter

Build multi-size .ico icons from PNGs

100% Private & In-Browser

Processed locally using client-side JavaScript. Your files and data never touch any server.

Instant & Unlimited

No registration, no waiting queues, and no limits on file conversions or generations.

Tool Overview & Guide

What is PNG to ICO Converter?

Convert PNG images into Windows .ico icon files containing multiple sizes (16px to 256px) in one file. Perfect for website favicons and desktop application icons.

Step-by-Step Instructions

How to use PNG to ICO Converter

1

Open PNG to ICO Converter in any modern web browser on your computer, tablet, or smartphone.

2

Select, drag, or drop your file directly into the PNG to ICO Converter workspace.

3

The tool processes your data in real time directly on your device using HTML5 Canvas hardware acceleration, WebAssembly image decoders, and offscreen bitmap buffers.

4

Copy your generated result to your clipboard, preview the output, or save your file with a single click.

Key Capabilities
  • No Account, No Email, No Watermarks — open the page and start working immediately.
  • 100% Client-Side In-Browser Execution — your inputs, files, and generated data never touch any remote cloud server.
  • Real Image Processing — Canvas and WebAssembly decoders handle your pixels locally, at full resolution.
  • Build multi-size .ico icons from PNGs
Common Use Cases
  • Handling private or confidential material that should not be uploaded to third-party cloud services.
  • Convert PNG images into Windows .ico icon files containing multiple sizes (16px to 256px) in one file. Perfect for website favicons and desktop application icons.
  • Running a quick one-off task — once loaded, most tools keep working even if the connection drops.
  • Photographers, graphic designers, frontend engineers, and digital marketers who need to process and compress visual media without uploading gigabytes of data without installing software.
Clear Answers

Frequently Asked Questions

Related tools

ICO to PNG Converter

Extract Windows icons into PNG images

JPG to PNG Converter

Convert JPG/JPEG images to lossless PNG

PNG to JPG Converter

Convert PNG images to JPG with quality control

AVIF to PNG Converter

Convert modern AVIF images to PNG

BMP to PNG Converter

Compress bulky BMP bitmaps into PNG

GIF to PNG Converter

Extract GIF frames as PNG images

PNG to BMP Converter

Turn PNGs into raw BMP bitmaps

PNG to WebP Converter

Shrink PNGs into modern WebP files