Browser-side inputs stay in your browser. Network checks send only the public target needed to perform the requested check, and SiteIndex does not require an account.

Can I use this tool on a phone?

Yes. The page is responsive and the tool works in current mobile browsers, subject to the browser and network limitations described above.

Home/Utilities/Image Resizer

UtilitiesReady to use

Image Resizer

Resize JPG, PNG, and WebP images locally with aspect-ratio locking, presets, and export-quality controls.

Documentation

Interactive workspace

No account required

Image Resizer

Resize JPG, PNG, and WebP images locally with privacy-first browser processing.

What is Image Resizer?

Resize JPG, PNG, and WebP images locally with aspect-ratio locking, presets, and export-quality controls.

How it works

Enter the relevant utilities input, run the tool, and review the result shown on this page.

Where a network request is required, SiteIndex validates public HTTP/HTTPS targets before making the request.

Common uses

Check or transform image resizer output.
Troubleshoot a practical website, network, developer, or utility task.
Review a result before sharing or publishing it.

Limitations

Results depend on the browser, network, input, and external service involved.
This tool is informational and does not replace specialist diagnostics or professional advice.

FAQ

What does Image Resizer do?: Resize JPG, PNG, and WebP images locally with aspect-ratio locking, presets, and export-quality controls.
Is my data stored?: Browser-side inputs stay in your browser. Network checks send only the public target needed to perform the requested check, and SiteIndex does not require an account.
Can I use this tool on a phone?: Yes. The page is responsive and the tool works in current mobile browsers, subject to the browser and network limitations described above.

Related tools