PNG to ICO Converter
Convert PNG to ICO in your browser. Free, no signup. Conversion files are not uploaded to Format Convertly servers. Learn the formats, then convert when your workflow needs ICO.
Exported at icon sizes, ready to use as a favicon or app tile.
Choose a file or drag and drop
Drop your PNG file here or
Choose file · Drag & drop · Public file link
- Processed on your device
- No conversion file stored on our servers
- Maximum file size: 100 MB
Conversion runs in your browser. Files are not uploaded to Format Convertly servers.
Format comparison
PNG → ICO
- Transparency
- Can include alpha
- No alpha channel
This is a format comparison, not a live conversion preview. Convert a file above to see the real output.
Conversion Settings
Customize the output to match your needs.
Convert Quality
92%Quality slider applies when the target is JPG, WebP, or AVIF.
Resize Image (Optional)
Advanced settings
Additional Options
- Maintain aspect ratio
- Remove metadata (EXIF)Browser re-encoding writes a new file without the original EXIF block.
How to Convert PNG to ICO
Add your PNG
Drop a PNG file into the browser panel. Nothing is sent to a remote queue.
Confirm settings
Review optional quality/size settings, then confirm ICO as the output.
Download ICO
Convert locally and download the ICO file when processing finishes.
Why Convert PNG to ICO?
Private by design
PNG → ICO runs in your browser. Files are not uploaded to a remote conversion queue.
Ready for the next step
Convert when a site, editor, or teammate expects ICO instead of PNG.
Preserve detail
ICO: varies. Typically lossless or lightly transformed for editing and archival use.
Transparency aware
ICO can keep transparent pixels when the source supports them.
PNG vs ICO
A quick side-by-side before you convert — deeper comparison lives on the full guide.
| Feature | PNG | ICO |
|---|---|---|
| Kind | lossless raster image | raster image |
| Compression | Lossless DEFLATE (PNG) | varies |
| Lossy / lossless | Lossless / not lossy | Lossless / not lossy |
| Transparency | Supported | Supported |
| Best for | Screenshots; Logos and icons | Windows application icons; Classic favicon.ico for websites |
| Typical size | Larger than JPG for photos; excellent for graphics with flat color | Small — usually under a few hundred KB |
| Browser / web support | All modern browsers | Favicon ICO is widely requested; not used as a general <img> format |
| Compatibility | Universal across browsers, phones, and design tools — the safest lossless web raster alongside JPG for photos | Native on Windows; browsers still request /favicon.ico on many sites |
Choose PNG when…
- Screenshots
- Logos and icons
- UI graphics with soft alpha
- Lossless intermediates before further edits
Choose ICO when…
- Windows application icons
- Classic favicon.ico for websites
- Shortcut and installer branding
- Multi-resolution desktop icons
What happens to image quality?
ICO compatibility: Native on Windows; browsers still request /favicon.ico on many sites Exported at icon sizes, ready to use as a favicon or app tile.
Tip
Keep an original copy of your PNG file if you may need to reconvert later.
Does ICO support transparency?
ICO can store transparent pixels — ICO supports transparency (including alpha where the codec/container allows). Keep a format with alpha when you need soft edges or overlays.
ICO format guide →PNG · ICO
Related converters PNG
Related converters ICO
Frequently Asked Questions
More on quality loss: conversion quality guides · problem-solution guides
Does converting PNG to ICO reduce quality?
Often no for lossless or remux-style paths. Quality drops when you re-encode with lossy settings, downscale, or flatten features like transparency.
Can you recover quality after converting?
Not from a lossy output alone. Return to the original master (or a better source). Converting to a lossless format does not resurrect discarded detail.
Where can I learn more about conversion quality?
Browse Format Convertly’s Quality guides for topics like whether conversion reduces quality, JPG↔PNG myths, WebP/MP3/MP4 tradeoffs, recovery limits, and generational loss — each links to the right converter.
What is a PNG file?
PNG is a lossless raster image format with full alpha transparency. PNG keeps every pixel intact and supports translucent edges — ideal for screenshots, UI, and logos. Photos are safer as JPG/WebP/AVIF when you care about download size.
Is PNG lossy or lossless?
PNG is typically lossless or non-destructive in common use (Lossless DEFLATE (PNG)).
What is a ICO file?
ICO is a Windows icon container that can hold multiple raster sizes for app and favicon use. ICO packages one or more bitmaps (and sometimes PNGs) so Windows and browsers can pick the right resolution for a shortcut or favicon. Design in PNG/SVG first, then build an ICO when a platform still requires the classic container.
Is PNG to ICO private?
Yes. The file is processed locally in your browser and is not uploaded to Format Convertly servers.
Will quality always be perfect?
It depends on the formats. Lossy sources cannot regain discarded detail; complex documents may need cleanup after conversion.
Ready to Convert Your Files?
PNG to ICO privately in your browser.