Image format

ICO Sample Files

ICO (.ico) files store multiple icon images at various sizes and color depths in a single container for desktop and web favicons. Use sample .ico files to test icon parsers, size selection, and transparency masks.

1 files All to 50KB SHA256 verified Manifest included
Quick facts
CategoryImage
Total Files1
Extension.ico
MIMEimage/vnd.microsoft.icon
ManifestJSON
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Files first

Start with one representative file.

Starter file

ico_100x100_sample_file_41KB.ico · 40.7 KB

Download
Filename Size MIME Download
.ico Starter SHA256 511ca0be6de0...
40.7 KB image/vnd.microsoft.icon Download
Use cases

Pick the next task, not just the next file.

Use the file table first, then branch into compare or FAQ only if the task needs more context.

Compare and decide

Keep the next decision one step away.

FAQ and reference

Keep the operational details quiet.

Checksum Verification

Use checksums to confirm file integrity after download.

shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.
Where is the machine-readable manifest?

Use the manifest when you need stable names, SHA256 values, and URLs for automation.

Validation Methodology
  • Validate MIME sniffing against extension and file signatures.
  • Test transparency, color profile, and resize pipelines.
  • Benchmark decode speed and memory use for larger dimensions.