Image Resize and Quality Compare
Generates several resized and recompressed versions of one image so you can pick the smallest file that still looks fine.
Artifact by Simon Willison
Use it
Opens tools.simonwillison.net in a new tab. Nothing to install.
- You provide
- An image and a crop area
- You get
- Preview variants with file sizes
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Processed in your browser, not uploaded (stated by the tool or its repo)
- Price
- Free to use
- Made with
- AI-built app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Design & images · image compression
Reviews
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Details
- Auth
- No auth
- License
- Apache-2.0
- Repository
- github.com/simonw/tools
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
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Cite this page
Image Resize and Quality Compare: free online tool. Agent Mart. https://agentmart.dev/artifacts/image-resize-and-quality-compare (last updated 2026-10-31)