OPT-IMG - A Compressor.io Alternative
The Best Alternative to Compressor.io
Compressor.io makes files smaller—OPT-IMG makes them search-ready. Get compression, AI-generated filenames and alt text, and modern WebP/AVIF formats—all in one upload.
trusted by 500+ creators & agencies
Why OPT-IMG Beats Compressor.io
Compressor.io is a simple file-size reducer. OPT-IMG gives you everything an SEO-minded creator or marketer actually needs—filenames, alt text, modern formats, and automation at scale.
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Simple online compressor
Supporting JPEG, PNG, SVG, GIF, and WebP. Focus purely on file size and visual quality.
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Manual upload only
No batch automation or SEO metadata. Browser-only, manual workflow—one image at a time.
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No modern SEO features
No variant sizes, no filename optimisation, no alt text generation. Just basic compression.
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All-in-one optimisation
AI filenames + AI alt text + smart compression—everything you need for complete image SEO.
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Focus on SEO performance
Focus on SEO performance, accessibility, and automation—not just file size reduction.
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Queue-based batch system
Process hundreds or thousands of images, generate manifest + HTML snippets. 5 SEO variants + smart cropping.
Feature Comparison
| Feature | OPT-IMG | Compressor.io |
|---|---|---|
| Compression Formats | ✓ WebP, AVIF, JPEG, PNG | ✓ JPEG, PNG, WebP, SVG, GIF |
| AI Filename Generation | ✓ Yes | ✗ No |
| AI Alt Text Generation | ✓ Yes | ✗ No |
| Platform Support | ✓ Any CMS or static site | ⚠️ Browser-only, manual |
| Batch Processing | ✓ Queue-based bulk workflow | ✗ Single upload |
| Downloadable ZIP + Manifest | ✓ Yes | ✗ No |
| SEO Variants (OG, Hero, etc.) | ✓ Yes (Pro) | ✗ No |
| Free Plan | 100 images/month | Free but manual, one-by-one |
When to Use Each Tool
Choose OPT-IMG When:
- • You need automated SEO filenames and alt text with compression
- • You work with many images and need fast batch output
- • You want WebP/AVIF and ready-to-use responsive files
- • You care about SEO, accessibility, and automation
Choose Compressor.io When:
- • You just need to quickly shrink one or two images
- • You don't require SEO filenames, alt text, or automation
- • You prefer a quick manual drag-and-drop tool for one-offs
Ready to Try OPT-IMG?
Get AI-powered filenames, alt text, and modern format compression—in one simple workflow. No signup required for your first 5 images.
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