ICO to PNG

Upload a ICO file and download it as PNG. Free to start.

Drop files here, or press Enter to choose them. Up to 50 MB per file.
Drop a ICO file hereFree · up to 50 MB · 10 operations in total without an account · or paste with Ctrl+V
  • Sent over HTTPS · link expires in 24 h

How it works

  1. Step 1:

    Drop the ICO file on the orange block above, or press “Choose ICO”.

  2. Step 2:

    Press “Convert to PNG”. The block shows the progress while the server converts the file.

  3. Step 3:

    Press “Download” to save the PNG file. On Free the link works for 24 hours.

How ICO to PNG conversion works

The Windows Icon format bundles multiple raster images at different resolutions (16x16 through 256x256) into a single file for use as application icons. Converting to PNG produces an image file that uses lossless DEFLATE compression and supports a full alpha-transparency channel, preserving every pixel exactly as encoded. This conversion changes the file's encoding, compression method, and supported feature set. The output is pixel-accurate: no further quality is lost beyond what the source already encoded. This makes PNG the practical choice when the destination system requires it or when the target format offers better compatibility or compression. 1converter runs this conversion on the server: your file is uploaded encrypted over HTTPS, converted using trusted open-source libraries, and the output is held for 24 hours before automatic deletion.

Sources and specifications

Quality levels for ICO → PNG

LevelFile sizeSpeed
Low qualitySmallest file, basic qualityVery smallVery fast
Medium qualityRecommendedBalanced size and qualityMediumFast
High qualityLarger file, great qualityLargeModerate
Maximum qualityLargest file, best possible qualityVery largeSlow

Image Tip: For photos, Medium quality offers the best balance. For graphics with text or sharp edges, use High or Maximum quality to preserve clarity.

When to convert

What the PNG file is good for and why people convert to it.

  • Keeps the selected icon size as a true raster image for editing
  • PNG stores lossless pixel data, avoiding quality loss from icon recompression
  • Extracting a Windows .ico icon into a PNG for web or documentation thumbnails
  • Using an app icon as a transparent overlay in a design editor

Where your file goes

  • It travels to our server over an encrypted HTTPS connection and is converted there.
  • The PNG file comes back as a private link. It stops working after 24 hours on Free and 7 days on paid plans, and then the files are deleted.
  • Want the file to stay on your device? Private Mode converts images right in the browser. Open Private Mode

Questions and answers

What people ask before converting ICO to PNG.

Ask supportAll questions
What changes when converting ICO to PNG?
ICO can contain multiple embedded icon images (often multiple sizes and color depths), while PNG typically stores a single raster image. The converter renders the chosen ICO frame into a PNG pixel grid.
Will the PNG be lossless compared to the ICO?
PNG is lossless for the pixel data it stores, but the ICO’s original internal encoding may differ by frame (e.g., palette or bitmap). The PNG output preserves the rendered pixels of the selected frame without introducing lossy compression artifacts.
How does transparency work for ICO vs PNG?
ICO transparency may be represented via an alpha channel and/or legacy 1-bit masks, depending on how the .ico was created. PNG supports full per-pixel alpha, so the converted PNG uses an alpha channel where applicable.
Will the PNG keep all ICO sizes?
A single PNG output usually corresponds to one selected ICO image/frame, not the entire multi-size set. If you need multiple sizes, convert each frame separately.

More about this pair

Many files at once? Starter converts 5 at a time, 100 a day.

See plans