Resize and compress images, add SEO filenames and alt text, then export images, code and a sitemap. Everything runs in your browser.
Upload a photo or a batch. Set the size, add your page context, then export your images and SEO files.
Up to 50 images. Files are processed on your device.
Upload
Choose your website images.
Prepare
Set format, size and image context.
Export
Download images, code and sitemap.
Image SEO Studio prepares images and their website metadata in one place. Resize and compress a single photo or a batch, create descriptive filenames, and prepare alt text, titles and captions from your page topic, keywords and description.
Export the processed images with picture markup, CSS code, an image sitemap and a report in a ZIP. Processing runs in your browser. The tool does not recognize photo content, publish files or guarantee search rankings.
The browser Canvas engine resizes and re-encodes images as WebP, JPEG or PNG. AVIF encoding is checked in your browser. When unsupported, output falls back to WebP with the correct filename, MIME type and a warning.
SEO suggestions use your supplied context and the original filename. Alt text belongs in your page HTML or CMS, not inside the downloaded image. The browser build produces one configured width per image. Picture sources switch formats; they do not create additional responsive widths.
Use img or picture elements for important page images. Google does not index CSS background images. Preload a hero image only when testing shows it helps, matching the actual source and format to avoid duplicate downloads.
A 1600 × 1067 JPG photo of a mountain lake (488,511 bytes), resized to 1200 pixels wide at quality 75, produced a valid 1200 × 800 WebP file (142,632 bytes). Results depend on the source image and settings.
References: Google image guidance and W3C alt text decision tree.
No. Suggestions use the filename, topic, keywords and description you provide. Check their accuracy against the image and its purpose before publishing.
Add it to the image in your CMS or HTML. It is supplied in the markup and report, not stored inside the downloaded image. Decorative images should use empty alt text.
After the offline-ready message, the app can reload offline. Uploaded images are session-only: export before reloading. Unsaved images are lost on reload.
No. Encoding support is checked. Unsupported browsers save WebP with the matching extension and MIME type and show a warning.
The browser version generates one configured width per image. Selected formats provide format switching, not multiple width breakpoints.
No. Upload your images and use the exported markup on your website. Exporting does not publish files, submit a sitemap or guarantee search results.
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