Image Compressor: Compress Images Online — Free & Instant
Drag & drop images here
or click to select files
Max 20 files, 10MB each
Your files never leave your browser. All processing happens locally.
Compress your images instantly without uploading them to any server. This free online image compressor reduces file sizes while maintaining visual quality. Perfect for optimizing images for websites, emails, or social media.
How to Compress Images
- Drag and drop your images or click to select files
- Adjust the quality slider (lower = smaller file, higher = better quality)
- Choose your output format (JPG, PNG, or WebP)
- Click "Compress" to process your images
- Download individual files or all at once as a ZIP
Real Results: What to Expect
iPhone Photo (HEIC→JPG)
- Original: 4.2 MB
- Quality 80%: 820 KB
- Reduction: 80%
PNG Screenshot
- Original: 1.8 MB
- → WebP: 290 KB
- Reduction: 84%
DSLR Photo (RAW export)
- Original: 8.5 MB
- Quality 85%: 1.2 MB
- Reduction: 86%
💡 Tip: Quality 75-85% is the sweet spot. Below 70%, artifacts become visible. Above 90%, file size gains are minimal.
Why Use This Compressor?
- 100% Private — Your images never leave your browser
- No signup required — Start compressing immediately
- Batch processing — Compress up to 20 images at once
- Quality control — Fine-tune compression with the quality slider
Frequently Asked Questions
Is this image compressor free?
Yes, completely free with no signup required. You can compress unlimited images.
Are my images uploaded to a server?
No. All processing happens directly in your browser. Your files never leave your device.
What image formats are supported?
You can compress JPG, PNG, WebP, and AVIF images. Output can be JPG, PNG, or WebP.
How much can I reduce the file size?
Depending on the original image and quality settings, you can typically reduce file size by 50-80% without noticeable quality loss.
Is there a file size limit?
Yes, individual files are limited to 10MB. You can process up to 20 files at once.
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