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HomeSK vs AI
.sk
.ai

SK vs AI

Compare Sketch and Adobe Illustrator formats — understand the key differences and when to use each

Format Overview

SK

Sketch

Sketch (.sk) is a vector file format.

.skvector

AI

Adobe Illustrator

Adobe Illustrator (.ai) is a image file format.

.aiimage

SK vs AI: Feature Comparison

FeatureSKAI
Full NameSketchAdobe Illustrator
File Extension.sk.ai
Categoryvectorimage
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✗ No

When to Use SK vs AI

Use SK when you need:

  • •Files in Sketch format for maximum compatibility
  • •Industry-standard vector format support
  • •Wide software and platform compatibility

Use AI when you need:

  • •Files in Adobe Illustrator format for specific workflows
  • •Optimized image format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

SK AI
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Learn More About These Formats

SK Converter AI Converter

Frequently Asked Questions

What is the difference between SK and AI?
SK (Sketch) and AI (Adobe Illustrator) are both vector/image file formats. SK files use the .sk extension while AI uses .ai. They differ in compression, quality, compatibility, and intended use cases.
Can I convert SK to AI for free?
Yes! Convert999 lets you convert SK to AI completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, SK or AI?
It depends on your use case. SK (Sketch) may be better for certain workflows, while AI (Adobe Illustrator) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

SK Converter

Convert from SK

AI Converter

Convert from AI

File Tools

Compress, resize, merge

Convert to SK

All sources → SK

Convert to AI

All sources → AI

Format Statistics

Trends & data 2025

More Format Comparisons

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