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.

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Quick Comparison

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.

Compressor.io

  • Simple online compressor

    Supporting JPEG, PNG, SVG, GIF, and WebP. Focus purely on file size and visual quality.

  • Manual upload only

    No batch automation or SEO metadata. Browser-only, manual workflow—one image at a time.

  • No modern SEO features

    No variant sizes, no filename optimisation, no alt text generation. Just basic compression.

OPT-IMG

  • All-in-one optimisation

    AI filenames + AI alt text + smart compression—everything you need for complete image SEO.

  • Focus on SEO performance

    Focus on SEO performance, accessibility, and automation—not just file size reduction.

  • 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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